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Surgery - Diseases & USMLE MCQs

1 clinical summaries in surgery - each with pathophysiology, presentation, diagnosis, management, high-yield pearls, sample USMLE MCQs and an illustration from our medical library. Free to read, no login.

Acute Appendicitis

Obstruction of the appendiceal lumen leads to distension, ischaemia and bacterial invasion. Classic migratory RLQ pain, fever and leukocytosis; untreated causes perforation and peritonitis.

Reviewed 27 May 2026

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