Difference between revisions of "Vermiform appendix"
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==Acute appendicitis== | ==Acute appendicitis== | ||
===General=== | |||
*Bread 'n butter of general surgery. | |||
===Gross=== | ===Gross=== | ||
Features: | |||
*Serosal surface dull. | *Serosal surface dull. | ||
*May be perforated. | *May be perforated (best determined on gross). | ||
*+/-Fibrinous exudate. | *+/-Fibrinous exudate. | ||
=== | ===Definition=== | ||
*[[Neutrophil]]s in the [[muscularis propria]]. | *[[Neutrophil]]s in the [[muscularis propria]]. | ||
===Microscopic=== | |||
Features: | |||
* Neutrophils in the muscularis propria. | |||
* +/-Fecalith. | |||
* +/- Vascular thrombosis (and necrosis) - known as ''gangrenous appendicitis''.<ref>URL: [http://emedicine.medscape.com/article/363818-overview http://emedicine.medscape.com/article/363818-overview]. Accessed on: 21 June 2010.</ref> | |||
===DDx=== | |||
*Mucinous tumour. | |||
*Neuroendocrine tumour. | |||
*Granulomatous appendicitis. | |||
*Crohn's disease of the appendix. | |||
==Tumours of the appendix== | ==Tumours of the appendix== | ||