Clinical manifestations-ulcerative colitis

• Grossly bloody diarrhea, lower abdominal cramps, tenesmus, small, frequent BM

• Extracolonic (>25%): erythema nodosum, pyoderma gangrenosum, aphthous ulcers, uveitis, episcleritis, thromboembolic events (esp. during a flare; Lancet 2010;375:657), AIHA, seroneg arthritis (most common), PSC (↑ risk cholangio CA, CRC)

• Several scores for severity assessment: Truelove & Witts; Mayo Score/DAI; Montreal

以下 是: 特屬於 UC 的 → ，其他都算給 CD

參考大表格 NB: UCvsCD

Clinical features UC vs CD	Ulcerative Colitis
Gross blood in stool	Yes 🟢
Mucus	Yes 🟢

Endoscopic features UC vs CD	Ulcerative Colitis
Rectal sparing	Rarely 🔴
Continuous disease	Yes 🟢

TLDR: 血便、黏液、連續