2023年8月22日 · Mucoceles of the appendix are rare, encountered in 0.2 - 0.3% of appendectomies Usually diagnosed in patients ~50 - 60 years old, with a slight female predominance (Acta Chir Scand 1973;139:392)

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2012年9月1日 · Distended gallbladder containing clear and watery (hydrops) or mucoid secretions (mucocele), instead of bile Adult cases almost always due to impacted stones in ampulla or cystic duct Rarely due to regional tumors causing compression Pediatric cases associated with Kawasaki syndrome or other inflammatory narrowing of cystic duct

2021年4月28日 · Which of the following is true about fibrous obliteration of the appendix? Can show marked cytologic atypia, mimicking sarcoma Generally only involves the base of the appendix May contain chronic inflammation and adipocytes Suggests an underlying diagnosis of neurofibromatosis type 1

2023年12月13日 · A. It is associated with endometriosis. The lesion shown is an inverted appendix, which can occur without any underlying abnormality or may be associated with anatomical variations or pathologic conditions, such as endometriosis or appendiceal neoplasm.

2023年9月26日 · Appendix, appendectomy: Invasive, moderately to poorly differentiated adenocarcinoma of the proximal appendix, 1.0 cm in greatest dimension (see comment) Comment: The tumor arises in association with a tubular adenoma and invades transmurally to the visceral peritoneum (pT4a). Lymphovascular invasion is identified.

2022年2月9日 · Appendix. Pseudomyxoma peritonei is a clinical syndrome characterized by extravasation of mucin into the abdomen due to a ruptured mucinous neoplasm. Primary tumors from all of the sites listed have been associated with pseudomyxoma peritonei. However, the large majority arise from the appendix.

2023年10月31日 · Interval appendectomy is an important cause of granulomatous inflammation in the appendix. Clinical history is the main clue in this scenario. Answer A is incorrect because Crohn's disease rarely involves the appendix. Answer D is incorrect because tuberculosis often presents with systemic symptoms and necrotizing granulomatous inflammation.

2014年2月1日 · Eye - Orbit and optic nerve: mucocele of orbit. This website is intended for pathologists and laboratory personnel but not for patients.

2014年2月1日 · Eye - Lacrimal duct: mucocele of lacrimal sac. This website is intended for pathologists and laboratory personnel but not for patients.