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BMJ Case Reports
A man in his early 50s was referred to the oral medicine clinic regarding a 6-month history of ul... more A man in his early 50s was referred to the oral medicine clinic regarding a 6-month history of ulceration affecting the palate and gingivae. Intra-oral examination revealed multiple friable pustules on a background of erythema affecting the gingival sulci and ‘snail-track’ like ulceration affecting the palate. Histopathological analysis of the gingivae revealed features in keeping with a diagnosis of pyostomatitis vegetans (PV). Although he did not report any gastrointestinal symptoms, the patient was referred to gastroenterology and underwent colonoscopy and small bowel series examination. Colonic biopsies showed no features to suggest a diagnosis of inflammatory bowel disease (IBD). In 11 years since diagnosis of PV, the patient still shows no signs or symptoms suggestive of IBD. This case highlights a rare occurrence of PV without IBD, but emphasises the importance of appropriate referral to relevant medical specialities based on clinical and histopathological findings.
Journal of the Irish Dental Association
The hypoglossal nerve (twelfth cranial nerve; CNXII) is a motor nerve that is responsible for the... more The hypoglossal nerve (twelfth cranial nerve; CNXII) is a motor nerve that is responsible for the innervation of all the extrinsic and intrinsic muscles of the tongue with the exception of the palatoglossus muscle. It originates from the hypoglossus nucleus in the medulla oblongata, passes laterally across the posterior cranial fossa, within the subarachnoid space, and exits the cranium via the hypoglossal canal. The nerve passes downwards and forwards in the neck between the internal carotid artery and the internal jugular vein until it reaches the lower border of the posterior belly of digastric muscle. Here it turns forward and crosses the internal and external carotid arteries and the loop of the lingual artery. In the floor of the mouth, it is intimately associated with the hyoglossus, the lingual nerve and duct of the submandibular gland, before continuing to move in an anterior direction to enter the tongue. 1
BMJ Case Reports
A man in his early 50s was referred to the oral medicine clinic regarding a 6-month history of ul... more A man in his early 50s was referred to the oral medicine clinic regarding a 6-month history of ulceration affecting the palate and gingivae. Intra-oral examination revealed multiple friable pustules on a background of erythema affecting the gingival sulci and ‘snail-track’ like ulceration affecting the palate. Histopathological analysis of the gingivae revealed features in keeping with a diagnosis of pyostomatitis vegetans (PV). Although he did not report any gastrointestinal symptoms, the patient was referred to gastroenterology and underwent colonoscopy and small bowel series examination. Colonic biopsies showed no features to suggest a diagnosis of inflammatory bowel disease (IBD). In 11 years since diagnosis of PV, the patient still shows no signs or symptoms suggestive of IBD. This case highlights a rare occurrence of PV without IBD, but emphasises the importance of appropriate referral to relevant medical specialities based on clinical and histopathological findings.
Journal of the Irish Dental Association
The hypoglossal nerve (twelfth cranial nerve; CNXII) is a motor nerve that is responsible for the... more The hypoglossal nerve (twelfth cranial nerve; CNXII) is a motor nerve that is responsible for the innervation of all the extrinsic and intrinsic muscles of the tongue with the exception of the palatoglossus muscle. It originates from the hypoglossus nucleus in the medulla oblongata, passes laterally across the posterior cranial fossa, within the subarachnoid space, and exits the cranium via the hypoglossal canal. The nerve passes downwards and forwards in the neck between the internal carotid artery and the internal jugular vein until it reaches the lower border of the posterior belly of digastric muscle. Here it turns forward and crosses the internal and external carotid arteries and the loop of the lingual artery. In the floor of the mouth, it is intimately associated with the hyoglossus, the lingual nerve and duct of the submandibular gland, before continuing to move in an anterior direction to enter the tongue. 1