Bekir Erol - Academia.edu (original) (raw)

Papers by Bekir Erol

Turk Kardiyoloji Dernegi arsivi: Turk Kardiyoloji Derneginin yayin organidir

Türk Kardiyoloji Derneği arşivi : Türk Kardiyoloji Derneğinin yayın organıdır, 2015

Coarctation of the aorta is the fifth most common congenital cardiac anomaly encountered in adult... more Coarctation of the aorta is the fifth most common congenital cardiac anomaly encountered in adults. It is important for prognosis to diagnose and treat this anomaly early. An aneurysm might develop due to tunica media abnormalities in patients with coarctation of the aorta. We hereby present an adult case with a very rare combination of vascular anomalies including ascending aorta aneurysm, hypoplastic aortic arch, coarctation of the aorta and poststenotic aneurysm.

Türk Kardiyoloji Derneği arşivi : Türk Kardiyoloji Derneğinin yayın organıdır, 2014

The effectiveness of carotid artery stenting (CAS) for primary and secondary prevention of ischem... more The effectiveness of carotid artery stenting (CAS) for primary and secondary prevention of ischemic stroke has been demonstrated. The aim of our study was the clinical and radiological evaluation of the reliability of the CAS procedure over a two-year follow-up period. This study included 120 patients (mean age, 68 (48-86) years) admitted to our hospital between December 2010 and March 2013 for whom CAS was decided in the neurology, cardiovascular surgery and cardiology council. Symptomatic cases with more than 50% stenosis by angiography and asymptomatic patients with stenosis of more than 70% were included in the study. 80% of the asymptomatic patients were those detected during the screening before the coronary bypass surgery. The success rate of the procedure was found as 97.5%. No mortality or myocardial infarction was observed in any of the patients in whom CAS was applied successfully. In 1 symptomatic patient (0.8%), ischemic cerebrovascular event with sequelae was observed ...

International journal of clinical and experimental medicine, 2013

Selection of multinodular goiter (MNG) surgery procedure is stilll under discussion. Subtotal thy... more Selection of multinodular goiter (MNG) surgery procedure is stilll under discussion. Subtotal thyroidectomy (STT) and neartotal thyroidectomy (NTT) are preferred surgical procedures. However, it is uncertain whether the remnant tissue contains pathological findings or not after these procedures. We aimed to evaluate and comparison the pathologic findings in remnant tissue after NTT and STT. Thyroid tissue samples of 50 patients who underwent TT for MNG disease between January 2010 and August 2011 in our clinic were evaluated. Before the dissection of the thyroid tissue subtotal and neartotal margins were marked in both right and left lobes. After the resection of the specimen, the tissue was excised from the subtotal and neartotal margin marked during the surgery. The pathologic findings of the main tissue, the residual subtotal and neartotal tissues were evaluated and compared. All patients were followed-up 1 year. 43 (86%) females and 7 (14%) males with an average age of 50.5 (23-...

Asian Pacific Journal of Tropical Medicine, 2014

To demonstrate utility and safety of the puncture aspiration injection and reaspiration (PAIR) te... more To demonstrate utility and safety of the puncture aspiration injection and reaspiration (PAIR) technique for outpatients. Percutaneous treatment with US guidance was applied to 33 patients for 44 cysts. Patients treated with the PAIR technique, were outpatients. PAIR and catheterization technique were evaluated for efficacy and safety of procedure and complication rates. Thirty-five of 44 cysts were treated with the PAIR and 9 of 44 were treated with the catheterization technique. The success rate of the cysts Gharbi type 1 (CE1) and type 2 (CE3a) treated with the PAIR technique was 100%. In the follow up of 9 cysts treated with the catheterization technique, 2 of them (22%) developed cyst infection and 1 (11%) developed a biliary fistula. The PAIR technique was found to be an effective and safe approach in order to treat Gharbi type 1 and type 2 cysts percutaneously for outpatients. It has a very low complication rate in comparison with the catheterization technique. So every effort should be made to finish the treatment with PAIR technique.

European Journal of Orthopaedic Surgery & Traumatology, 2014

Objective The purpose of this prospective study was to examine the prevalence of occult knee inju... more Objective The purpose of this prospective study was to examine the prevalence of occult knee injuries in patients with ipsilateral tibial shaft fractures and determine their impact on clinical outcome. Materials and methods Preoperative knee MRI examination was performed in 41 patients (42 knees) with isolated tibial shaft fractures. Menisci, cruciate ligaments, collateral ligaments, extensor mechanism, osteochondral lesions, bone contusions and knee effusion were evaluated. All patients were treated with reamed and locked intramedullary tibial nailing without an additional surgical procedure for knee injuries. All patients were followed to at least fracture union and were evaluated with knee examination and Lysholm knee score. Results Of the 42 knees, 41 (97.6 %) showed at least one defined injury around the knee. There was only one patient who had totally normal knee MRI findings. One or more ligamentous injuries of the knee were identified in 35 (83.3 %) of the knees. Five patents (11.9 %) had medial meniscal tear in posterior horn. Extensor mechanism injuries were seen in two patients. Mild to marked joint effusion was observed in 35 (81 %) knees. Twenty-two knees demonstrated bone bruise; femoral condyle (n = 7), tibial plateau (n = 12), patella (n = 2) and fibular head (n = 1). No patients had osteochondral lesion. Patients were followed with a mean of 13.2 ± 3.6 (range 8-22) months. Clinical knee examination revealed Grade II (?) anterior drawer test in two patients. The mean Lysholm knee score was 99.1 ± 2.14 (range 91-100) at the final follow-up. Conclusions Ipsilateral intra-articular, extra-articular or combined knee injuries may occur at the time of injury with tibial shaft fractures. However, most of these injuries are not clinically relevant and heal without any sequel or remain asymptomatic late after fracture union. Routine use of preoperative knee MRI examination in patients with tibial shaft fractures is not necessary.

American Journal of Physical Medicine & Rehabilitation, 2014

Korean Circulation Journal, 2014

Most coronary artery origin abnormalities are incidentally determined during coronary angiography... more Most coronary artery origin abnormalities are incidentally determined during coronary angiography. In the adult population, its prevalence is reported to be approximately 0.3 to 1.3% in the largest registry. 1) These abnormalities are usually asymptomatic and have no clinical significance. However, some cases of coronary artery abnormalities are related to severe life-threatening events such as myocardial ischemia, arrhythmia and acute myocardial infarction. 2) We report an uncommon case of an anomalous origin of the left coronary artery (LCA), a single coronary artery, arising from the right sinus, with angina pectoris and palpitations.

Case reports in pathology, 2015

We present a case of a 54-year-old female patient. MRI examination showed a mass adjacent to the ... more We present a case of a 54-year-old female patient. MRI examination showed a mass adjacent to the left scapula and a localized heterogeneous mass in the right subscapular area. Microscopic examination revealed abnormal elastic fibers and globules and mature adipose tissue mixed with collagen bands in all areas of the lesion. Genetic analysis was done and there were no changes in DNA copy number. The lesion was diagnosed as elastofibrolipoma which is a rare tumor. No bilateral elastofibrolipoma has been previously described.

Case Reports, 2014

A 40-year-old man presented to us with infertility. During scrotal ultrasonography, a heterogeneo... more A 40-year-old man presented to us with infertility. During scrotal ultrasonography, a heterogeneous nodular mass was seen in the right testicle. Surprisingly, histopathological examination revealed shadow cells, which are the characteristic feature of pilomatrixomas.

Surgical and Radiologic Anatomy, 2012

Purpose We aimed to evaluate the normal anatomy and variations of testicular veins by multidetect... more Purpose We aimed to evaluate the normal anatomy and variations of testicular veins by multidetector CT (MDCT). Materials and methods This prospective study included 101 male patients who underwent abdominal CT for various clinical indications. Mean age of patients was 53 years. Images were obtained by dual source 64-slice MDCT (n = 61) and 64-MDCT (n = 41). Images were analyzed using 1 mm thick slices on a dedicated workstation. The number of testicular veins, drainage site and diameter of proximal, mid and distal testicular veins were recorded. Results Testicular veins were visualized in all patients. There were single right testicular vein in 99 (98%) patients and 2 (2%) patients had duplicated right testicular veins (total 103 veins). Right testicular vein drained into inferior vena cava in 88 (87.1%) patients and right renal vein in 13 (12.9%) patients. One of duplicated right testicular veins drained into inferior vena cava and other paired drained into right renal vein and inferior vena cava separately. There were single left testicular vein in 88 (87.1%) patients and 13 (12.9%) patients had duplicated veins (total 14 veins). All left testicular veins drained into left renal vein.

Journal of Computer Assisted Tomography, 2011

The purpose of this study was to investigate the effectiveness of automated best R-R interval det... more The purpose of this study was to investigate the effectiveness of automated best R-R interval determination software for the evaluation of dual-source coronary multidetector computed tomography (MDCT) angiography. One hundred and nine consecutive patients who underwent dual-source coronary MDCT angiography are included in the study. The indications were chest pain syndrome of low-intermediate risk and/or nonspecific electrocardiographic changes (n = 91), stenting (n = 9), and bypass grafts (n = 9). Imaging was performed using dual-source MDCT. Temporal resolution was 0.83 milliseconds and slice thickness was 0.6 mm. None of the patients received β-blockers. Best R-R interval software has determined the best intervals in diastole and systole. The visibility of coronary arteries was evaluated using 15-segment (total 1635 segments) AHA classification by 2 radiologists in consensus. The mean patient age was 55 years. The mean heart rate was 73 beats per minute (range, 47-110 beats per minute). The mean (SD) best diastole R-R interval was determined as 73 (5) (95% CI, 63-83), and the mean (SD) best systole interval as 38 (5) (95% CI, 28-48). When only best diastole, only best systole, and both best systole and diastole reconstructions were evaluated, all coronary artery segments were visualized in 65 (60%), 61 (56%), and 93 (85%) patients, respectively. In 12 patients' evaluation of additional 1(n = 11) or 2(n = 1), R-R reconstruction intervals allowed visualization of all coronary artery segments. In 4 patients with arrhythmia, all segments cannot be visualized, but after electrocardiographic editing, all segments were visible in 3 of 4 patients. Automatic determination of best R-R reconstruction interval allows evaluation of all coronary artery segments in most patients (85%) without additional reconstructions. By means of this software, coronary CT angiography studies can be evaluated faster and easier. The most significant limitation of the software is patients with arrhythmia.

Journal of Clinical Ultrasound, 2013

A 9-year-old child with a left humerus fracture also had minor skin cuts on the right knee, which... more A 9-year-old child with a left humerus fracture also had minor skin cuts on the right knee, which were closed with a skin stapler. After 1 week, a medial superior genicular artery pseudoaneurysm developed, which was treated by ultrasound-guided compression. This case illustrates a unique complication of the use of a skin stapler device.

European Journal of Radiology, 2011

Aim: We investigated the evaluability of left atrial appendix by dual source coronary CT angiogra... more Aim: We investigated the evaluability of left atrial appendix by dual source coronary CT angiography and analyzed morphologic features. Materials and methods: We included 106 consecutive patients who underwent coronary CT angiography for various indications. Technical parameters were slice thickness 0.6 mm, reconstruction interval 0.3 mm, gantry rotation time 165 ms. Images were reconstructed from 10% to 100% R-R intervals at 10% intervals to evaluate the left atrial appendix and 4-D inspace software was used for analysis. We recorded the R-R intervals when the left atrial appendix was at maximum and minimum volume. We also evaluated visibility of appendix at R-R intervals. Maximum appendix volume was calculated. Atrial appendices were classified morphologically based on number of chambers (types 1-3) seen on volume rendered images. Results: There were 60 male and 46 female patients in the study group and, mean age was 55 ± 13. Mean heart rate was 72 (ranges 47-110). Left atrial was evaluable at maximum and minimum volume by coronary CT angiography in all patients. We noted types 1-3 appendix in 29 (27%), 73 (69%), and 4 (4%) patients, respectively. Mean R-R intervals at maximum and minimum volume were 40% ± 6 (95% CI; 28-52%) and 95% ± 5 (95% CI; 85-5%), respectively. Mean appendix maximum volume was 7 ± 4 cm 3 . Appendix contours were mildly, moderately and severely irregular in 10 (9%), 58 (55%), 38 (36%) patients, respectively. Conclusion: Left atrial appendix was visualized in all patients independent of heart rate at maximum and minimum volumes. Volume rendered CT images can allow excellent depiction of left atrial appendix morphology and classification. Presence of moderate and severe irregularity of appendix contour in most of the patients may be the cause of slow flow. This morphologic appearance may be the underlying reason for the propensity to atrial appendix thrombus formation.

European Journal of Radiology, 2011

The purpose of this study was to evaluate retrospectively the safety and effectiveness of radiolo... more The purpose of this study was to evaluate retrospectively the safety and effectiveness of radiologically placed tunneled peritoneal catheter in palliation of malignant ascites. Between July 2005 and June 2009, 41 tunneled peritoneal catheters were placed under ultrasonographic and fluoroscopic guidance in 40 patients (mean age, 55 years; 22 women) who had symptomatic malignant ascites. No procedure related mortality was observed. Major complication occurred in one patient (2.5%) in the form of serious bacterial peritonitis that necessitated catheter removal. Minor complications such as minor bacterial peritonitis, catheter dislodgement, tunnel infection, and catheter blockage occurred in 11 patients (27.5%). The mean duration of survival after catheter placement was 11.8 weeks. All patients expired of their primary malignancies in the follow-up. Radiologically placed tunneled peritoneal catheter is safe and effective in palliation of symptomatic malignant ascites.

Clinical Imaging, 2013

Pleomorphic adenoma is the most common benign tumor of the salivary glands. A 62-year-old female ... more Pleomorphic adenoma is the most common benign tumor of the salivary glands. A 62-year-old female patient presented with epiphora and was suffering from breathing difficulties. With the diagnostic nasal endoscopy, a mass, originating from right inferior nasal turbinate and filling the entire nasal cavity, was seen. Originating from the inferior nasal turbinate is a very rare entity. Paranasal sinus computed tomography and magnetic resonance images revealed a mass that fills and expands the right nasal cavity. Mass was hypoechoic in B-mode ultrasonography and hypovascular in color Doppler ultrasonography, and rate of tissue stiffness was high in sonoelastography. These were helpful for the diagnosis.

Clinical Imaging, 2013

The aim of this study was to investigate the diagnostic performance of lesion echogenicity ratios... more The aim of this study was to investigate the diagnostic performance of lesion echogenicity ratios (LER) calculated by image histogram analysis for distinction of malignant and benign breast lesions. A total of 55 patients (mean age, 44 years) with 59 lesions were included. Ultrasound images were analyzed retrospectively. Mean LER values in benign and malignant lesions were 1.63±0.41 and 3.1±0.87, respectively. The difference between LER values of benign and malignant breast lesions was statistically significant (P<.001). LER can be used as an adjunct ultrasound parameter to differentiate between benign and malignant breast lesions.

CardioVascular and Interventional Radiology, 2011

A 27-year-old female with a type 2 hydatid cystic lesion in the liver according to the Gharbi cla... more A 27-year-old female with a type 2 hydatid cystic lesion in the liver according to the Gharbi classification (CE 3A according to the WHO classification) was referred for percutaneous treatment after albendazole treatment for 1 year. A catheterization technique was performed but hypertonic saline and alcohol were not given into the cavity due to cystobiliary leakage. During the 4month follow-up period, sequential cavitography revealed biliary fistula, and bile-stained drainage had not been ceased despite the sphincterotomy, nasobiliary drainage catheter, and plastic stent. Since the patient refused to surgery, we embolized the biliary fistula using N-butyl 2cyanoacrylate for the first time in the literature. At the 3month follow-up, the patient's course was uneventful and ultrasound, multidetector-row CT, and MRI examinations revealed no collection in or adjacent to the cavity.

Turk Kardiyoloji Dernegi arsivi: Turk Kardiyoloji Derneginin yayin organidir

Türk Kardiyoloji Derneği arşivi : Türk Kardiyoloji Derneğinin yayın organıdır, 2015

Coarctation of the aorta is the fifth most common congenital cardiac anomaly encountered in adult... more Coarctation of the aorta is the fifth most common congenital cardiac anomaly encountered in adults. It is important for prognosis to diagnose and treat this anomaly early. An aneurysm might develop due to tunica media abnormalities in patients with coarctation of the aorta. We hereby present an adult case with a very rare combination of vascular anomalies including ascending aorta aneurysm, hypoplastic aortic arch, coarctation of the aorta and poststenotic aneurysm.

Türk Kardiyoloji Derneği arşivi : Türk Kardiyoloji Derneğinin yayın organıdır, 2014

The effectiveness of carotid artery stenting (CAS) for primary and secondary prevention of ischem... more The effectiveness of carotid artery stenting (CAS) for primary and secondary prevention of ischemic stroke has been demonstrated. The aim of our study was the clinical and radiological evaluation of the reliability of the CAS procedure over a two-year follow-up period. This study included 120 patients (mean age, 68 (48-86) years) admitted to our hospital between December 2010 and March 2013 for whom CAS was decided in the neurology, cardiovascular surgery and cardiology council. Symptomatic cases with more than 50% stenosis by angiography and asymptomatic patients with stenosis of more than 70% were included in the study. 80% of the asymptomatic patients were those detected during the screening before the coronary bypass surgery. The success rate of the procedure was found as 97.5%. No mortality or myocardial infarction was observed in any of the patients in whom CAS was applied successfully. In 1 symptomatic patient (0.8%), ischemic cerebrovascular event with sequelae was observed ...

International journal of clinical and experimental medicine, 2013

Selection of multinodular goiter (MNG) surgery procedure is stilll under discussion. Subtotal thy... more Selection of multinodular goiter (MNG) surgery procedure is stilll under discussion. Subtotal thyroidectomy (STT) and neartotal thyroidectomy (NTT) are preferred surgical procedures. However, it is uncertain whether the remnant tissue contains pathological findings or not after these procedures. We aimed to evaluate and comparison the pathologic findings in remnant tissue after NTT and STT. Thyroid tissue samples of 50 patients who underwent TT for MNG disease between January 2010 and August 2011 in our clinic were evaluated. Before the dissection of the thyroid tissue subtotal and neartotal margins were marked in both right and left lobes. After the resection of the specimen, the tissue was excised from the subtotal and neartotal margin marked during the surgery. The pathologic findings of the main tissue, the residual subtotal and neartotal tissues were evaluated and compared. All patients were followed-up 1 year. 43 (86%) females and 7 (14%) males with an average age of 50.5 (23-...

Asian Pacific Journal of Tropical Medicine, 2014

To demonstrate utility and safety of the puncture aspiration injection and reaspiration (PAIR) te... more To demonstrate utility and safety of the puncture aspiration injection and reaspiration (PAIR) technique for outpatients. Percutaneous treatment with US guidance was applied to 33 patients for 44 cysts. Patients treated with the PAIR technique, were outpatients. PAIR and catheterization technique were evaluated for efficacy and safety of procedure and complication rates. Thirty-five of 44 cysts were treated with the PAIR and 9 of 44 were treated with the catheterization technique. The success rate of the cysts Gharbi type 1 (CE1) and type 2 (CE3a) treated with the PAIR technique was 100%. In the follow up of 9 cysts treated with the catheterization technique, 2 of them (22%) developed cyst infection and 1 (11%) developed a biliary fistula. The PAIR technique was found to be an effective and safe approach in order to treat Gharbi type 1 and type 2 cysts percutaneously for outpatients. It has a very low complication rate in comparison with the catheterization technique. So every effort should be made to finish the treatment with PAIR technique.

European Journal of Orthopaedic Surgery & Traumatology, 2014

Objective The purpose of this prospective study was to examine the prevalence of occult knee inju... more Objective The purpose of this prospective study was to examine the prevalence of occult knee injuries in patients with ipsilateral tibial shaft fractures and determine their impact on clinical outcome. Materials and methods Preoperative knee MRI examination was performed in 41 patients (42 knees) with isolated tibial shaft fractures. Menisci, cruciate ligaments, collateral ligaments, extensor mechanism, osteochondral lesions, bone contusions and knee effusion were evaluated. All patients were treated with reamed and locked intramedullary tibial nailing without an additional surgical procedure for knee injuries. All patients were followed to at least fracture union and were evaluated with knee examination and Lysholm knee score. Results Of the 42 knees, 41 (97.6 %) showed at least one defined injury around the knee. There was only one patient who had totally normal knee MRI findings. One or more ligamentous injuries of the knee were identified in 35 (83.3 %) of the knees. Five patents (11.9 %) had medial meniscal tear in posterior horn. Extensor mechanism injuries were seen in two patients. Mild to marked joint effusion was observed in 35 (81 %) knees. Twenty-two knees demonstrated bone bruise; femoral condyle (n = 7), tibial plateau (n = 12), patella (n = 2) and fibular head (n = 1). No patients had osteochondral lesion. Patients were followed with a mean of 13.2 ± 3.6 (range 8-22) months. Clinical knee examination revealed Grade II (?) anterior drawer test in two patients. The mean Lysholm knee score was 99.1 ± 2.14 (range 91-100) at the final follow-up. Conclusions Ipsilateral intra-articular, extra-articular or combined knee injuries may occur at the time of injury with tibial shaft fractures. However, most of these injuries are not clinically relevant and heal without any sequel or remain asymptomatic late after fracture union. Routine use of preoperative knee MRI examination in patients with tibial shaft fractures is not necessary.

American Journal of Physical Medicine & Rehabilitation, 2014

Korean Circulation Journal, 2014

Most coronary artery origin abnormalities are incidentally determined during coronary angiography... more Most coronary artery origin abnormalities are incidentally determined during coronary angiography. In the adult population, its prevalence is reported to be approximately 0.3 to 1.3% in the largest registry. 1) These abnormalities are usually asymptomatic and have no clinical significance. However, some cases of coronary artery abnormalities are related to severe life-threatening events such as myocardial ischemia, arrhythmia and acute myocardial infarction. 2) We report an uncommon case of an anomalous origin of the left coronary artery (LCA), a single coronary artery, arising from the right sinus, with angina pectoris and palpitations.

Case reports in pathology, 2015

We present a case of a 54-year-old female patient. MRI examination showed a mass adjacent to the ... more We present a case of a 54-year-old female patient. MRI examination showed a mass adjacent to the left scapula and a localized heterogeneous mass in the right subscapular area. Microscopic examination revealed abnormal elastic fibers and globules and mature adipose tissue mixed with collagen bands in all areas of the lesion. Genetic analysis was done and there were no changes in DNA copy number. The lesion was diagnosed as elastofibrolipoma which is a rare tumor. No bilateral elastofibrolipoma has been previously described.

Case Reports, 2014

A 40-year-old man presented to us with infertility. During scrotal ultrasonography, a heterogeneo... more A 40-year-old man presented to us with infertility. During scrotal ultrasonography, a heterogeneous nodular mass was seen in the right testicle. Surprisingly, histopathological examination revealed shadow cells, which are the characteristic feature of pilomatrixomas.

Surgical and Radiologic Anatomy, 2012

Purpose We aimed to evaluate the normal anatomy and variations of testicular veins by multidetect... more Purpose We aimed to evaluate the normal anatomy and variations of testicular veins by multidetector CT (MDCT). Materials and methods This prospective study included 101 male patients who underwent abdominal CT for various clinical indications. Mean age of patients was 53 years. Images were obtained by dual source 64-slice MDCT (n = 61) and 64-MDCT (n = 41). Images were analyzed using 1 mm thick slices on a dedicated workstation. The number of testicular veins, drainage site and diameter of proximal, mid and distal testicular veins were recorded. Results Testicular veins were visualized in all patients. There were single right testicular vein in 99 (98%) patients and 2 (2%) patients had duplicated right testicular veins (total 103 veins). Right testicular vein drained into inferior vena cava in 88 (87.1%) patients and right renal vein in 13 (12.9%) patients. One of duplicated right testicular veins drained into inferior vena cava and other paired drained into right renal vein and inferior vena cava separately. There were single left testicular vein in 88 (87.1%) patients and 13 (12.9%) patients had duplicated veins (total 14 veins). All left testicular veins drained into left renal vein.

Journal of Computer Assisted Tomography, 2011

The purpose of this study was to investigate the effectiveness of automated best R-R interval det... more The purpose of this study was to investigate the effectiveness of automated best R-R interval determination software for the evaluation of dual-source coronary multidetector computed tomography (MDCT) angiography. One hundred and nine consecutive patients who underwent dual-source coronary MDCT angiography are included in the study. The indications were chest pain syndrome of low-intermediate risk and/or nonspecific electrocardiographic changes (n = 91), stenting (n = 9), and bypass grafts (n = 9). Imaging was performed using dual-source MDCT. Temporal resolution was 0.83 milliseconds and slice thickness was 0.6 mm. None of the patients received β-blockers. Best R-R interval software has determined the best intervals in diastole and systole. The visibility of coronary arteries was evaluated using 15-segment (total 1635 segments) AHA classification by 2 radiologists in consensus. The mean patient age was 55 years. The mean heart rate was 73 beats per minute (range, 47-110 beats per minute). The mean (SD) best diastole R-R interval was determined as 73 (5) (95% CI, 63-83), and the mean (SD) best systole interval as 38 (5) (95% CI, 28-48). When only best diastole, only best systole, and both best systole and diastole reconstructions were evaluated, all coronary artery segments were visualized in 65 (60%), 61 (56%), and 93 (85%) patients, respectively. In 12 patients' evaluation of additional 1(n = 11) or 2(n = 1), R-R reconstruction intervals allowed visualization of all coronary artery segments. In 4 patients with arrhythmia, all segments cannot be visualized, but after electrocardiographic editing, all segments were visible in 3 of 4 patients. Automatic determination of best R-R reconstruction interval allows evaluation of all coronary artery segments in most patients (85%) without additional reconstructions. By means of this software, coronary CT angiography studies can be evaluated faster and easier. The most significant limitation of the software is patients with arrhythmia.

Journal of Clinical Ultrasound, 2013

A 9-year-old child with a left humerus fracture also had minor skin cuts on the right knee, which... more A 9-year-old child with a left humerus fracture also had minor skin cuts on the right knee, which were closed with a skin stapler. After 1 week, a medial superior genicular artery pseudoaneurysm developed, which was treated by ultrasound-guided compression. This case illustrates a unique complication of the use of a skin stapler device.

European Journal of Radiology, 2011

Aim: We investigated the evaluability of left atrial appendix by dual source coronary CT angiogra... more Aim: We investigated the evaluability of left atrial appendix by dual source coronary CT angiography and analyzed morphologic features. Materials and methods: We included 106 consecutive patients who underwent coronary CT angiography for various indications. Technical parameters were slice thickness 0.6 mm, reconstruction interval 0.3 mm, gantry rotation time 165 ms. Images were reconstructed from 10% to 100% R-R intervals at 10% intervals to evaluate the left atrial appendix and 4-D inspace software was used for analysis. We recorded the R-R intervals when the left atrial appendix was at maximum and minimum volume. We also evaluated visibility of appendix at R-R intervals. Maximum appendix volume was calculated. Atrial appendices were classified morphologically based on number of chambers (types 1-3) seen on volume rendered images. Results: There were 60 male and 46 female patients in the study group and, mean age was 55 ± 13. Mean heart rate was 72 (ranges 47-110). Left atrial was evaluable at maximum and minimum volume by coronary CT angiography in all patients. We noted types 1-3 appendix in 29 (27%), 73 (69%), and 4 (4%) patients, respectively. Mean R-R intervals at maximum and minimum volume were 40% ± 6 (95% CI; 28-52%) and 95% ± 5 (95% CI; 85-5%), respectively. Mean appendix maximum volume was 7 ± 4 cm 3 . Appendix contours were mildly, moderately and severely irregular in 10 (9%), 58 (55%), 38 (36%) patients, respectively. Conclusion: Left atrial appendix was visualized in all patients independent of heart rate at maximum and minimum volumes. Volume rendered CT images can allow excellent depiction of left atrial appendix morphology and classification. Presence of moderate and severe irregularity of appendix contour in most of the patients may be the cause of slow flow. This morphologic appearance may be the underlying reason for the propensity to atrial appendix thrombus formation.

European Journal of Radiology, 2011

The purpose of this study was to evaluate retrospectively the safety and effectiveness of radiolo... more The purpose of this study was to evaluate retrospectively the safety and effectiveness of radiologically placed tunneled peritoneal catheter in palliation of malignant ascites. Between July 2005 and June 2009, 41 tunneled peritoneal catheters were placed under ultrasonographic and fluoroscopic guidance in 40 patients (mean age, 55 years; 22 women) who had symptomatic malignant ascites. No procedure related mortality was observed. Major complication occurred in one patient (2.5%) in the form of serious bacterial peritonitis that necessitated catheter removal. Minor complications such as minor bacterial peritonitis, catheter dislodgement, tunnel infection, and catheter blockage occurred in 11 patients (27.5%). The mean duration of survival after catheter placement was 11.8 weeks. All patients expired of their primary malignancies in the follow-up. Radiologically placed tunneled peritoneal catheter is safe and effective in palliation of symptomatic malignant ascites.

Clinical Imaging, 2013

Pleomorphic adenoma is the most common benign tumor of the salivary glands. A 62-year-old female ... more Pleomorphic adenoma is the most common benign tumor of the salivary glands. A 62-year-old female patient presented with epiphora and was suffering from breathing difficulties. With the diagnostic nasal endoscopy, a mass, originating from right inferior nasal turbinate and filling the entire nasal cavity, was seen. Originating from the inferior nasal turbinate is a very rare entity. Paranasal sinus computed tomography and magnetic resonance images revealed a mass that fills and expands the right nasal cavity. Mass was hypoechoic in B-mode ultrasonography and hypovascular in color Doppler ultrasonography, and rate of tissue stiffness was high in sonoelastography. These were helpful for the diagnosis.

Clinical Imaging, 2013

The aim of this study was to investigate the diagnostic performance of lesion echogenicity ratios... more The aim of this study was to investigate the diagnostic performance of lesion echogenicity ratios (LER) calculated by image histogram analysis for distinction of malignant and benign breast lesions. A total of 55 patients (mean age, 44 years) with 59 lesions were included. Ultrasound images were analyzed retrospectively. Mean LER values in benign and malignant lesions were 1.63±0.41 and 3.1±0.87, respectively. The difference between LER values of benign and malignant breast lesions was statistically significant (P<.001). LER can be used as an adjunct ultrasound parameter to differentiate between benign and malignant breast lesions.

CardioVascular and Interventional Radiology, 2011

A 27-year-old female with a type 2 hydatid cystic lesion in the liver according to the Gharbi cla... more A 27-year-old female with a type 2 hydatid cystic lesion in the liver according to the Gharbi classification (CE 3A according to the WHO classification) was referred for percutaneous treatment after albendazole treatment for 1 year. A catheterization technique was performed but hypertonic saline and alcohol were not given into the cavity due to cystobiliary leakage. During the 4month follow-up period, sequential cavitography revealed biliary fistula, and bile-stained drainage had not been ceased despite the sphincterotomy, nasobiliary drainage catheter, and plastic stent. Since the patient refused to surgery, we embolized the biliary fistula using N-butyl 2cyanoacrylate for the first time in the literature. At the 3month follow-up, the patient's course was uneventful and ultrasound, multidetector-row CT, and MRI examinations revealed no collection in or adjacent to the cavity.