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Papers by Sonika Dhillon

Research paper thumbnail of Clinical Prevalence and Atypical Presentations in Scrub Typhus

Indian Journal of Emergency Medicine

Research paper thumbnail of Histopathology of tumors of the pineal region

Future …, Jan 1, 2010

Pineal region tumors are heterogeneous lesions and include mainly pineal parenchymal tumors (PPTs... more Pineal region tumors are heterogeneous lesions and include mainly pineal parenchymal tumors (PPTs), papillary tumors of the pineal region (PTPRs) and germ cell tumors (GCTs). This article describes the cystic pineal gland compared with normal tissue and histopathological features of the most frequent pineal region tumors. PPTs are subdivided into pineocytoma (grade I), pineoblastoma (grade IV) and tumors with intermediate differentiation (PPTIDs; grades II-III). A grading system based on the number of mitoses and neurofilament protein expression distinguishes low- from high-grade PPTID. PTPR is a new tumoral entity thought to originate from the subcommissural organ. GCTs include germinoma, embryonal carcinoma, teratoma, yolk sac tumor and choriocarcinoma and are often of mixed histologic composition. New histogenetic data for GCTs are presented.

Research paper thumbnail of NOSOCOMIAL PNEUMONIA IN ELDERLY PATIENTS FOLLOWING CARDIAC SURGERY

Chest Meeting …, Jan 1, 2005

Research paper thumbnail of Spontaneous corneal melting in pregnancy: a case report

J Med Case …, Jan 1, 2007

Research paper thumbnail of Conjunctival Myxoma in a 64-year-old patient

Japanese journal of …, Jan 1, 2008

Research paper thumbnail of Clinical Prevalence and Atypical Presentations in Scrub Typhus

Indian Journal of Emergency Medicine

Research paper thumbnail of Histopathology of tumors of the pineal region

Future …, Jan 1, 2010

Pineal region tumors are heterogeneous lesions and include mainly pineal parenchymal tumors (PPTs... more Pineal region tumors are heterogeneous lesions and include mainly pineal parenchymal tumors (PPTs), papillary tumors of the pineal region (PTPRs) and germ cell tumors (GCTs). This article describes the cystic pineal gland compared with normal tissue and histopathological features of the most frequent pineal region tumors. PPTs are subdivided into pineocytoma (grade I), pineoblastoma (grade IV) and tumors with intermediate differentiation (PPTIDs; grades II-III). A grading system based on the number of mitoses and neurofilament protein expression distinguishes low- from high-grade PPTID. PTPR is a new tumoral entity thought to originate from the subcommissural organ. GCTs include germinoma, embryonal carcinoma, teratoma, yolk sac tumor and choriocarcinoma and are often of mixed histologic composition. New histogenetic data for GCTs are presented.

Research paper thumbnail of NOSOCOMIAL PNEUMONIA IN ELDERLY PATIENTS FOLLOWING CARDIAC SURGERY

Chest Meeting …, Jan 1, 2005

Research paper thumbnail of Spontaneous corneal melting in pregnancy: a case report

J Med Case …, Jan 1, 2007

Research paper thumbnail of Conjunctival Myxoma in a 64-year-old patient

Japanese journal of …, Jan 1, 2008

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