A 24-year-old woman presents with a 6-month history of bloody diarrhea, abdominal cramping, and 8-pound weight loss. Vital signs show BP 118/76, HR 92, RR 16, and temperature 37.2°C. Colonoscopy reveals continuous mucosal inflammation and ulceration limited to the colon with rectal involvement. Laboratory studies demonstrate hemoglobin 10.2 g/dL. She denies smoking history and current corticosteroid use. Which diagnosis is most likely?

  1. A)Ulcerative colitisGABARITO
  2. B)Crohn disease
  3. C)Infectious colitis
  4. D)Irritable bowel syndrome
  5. E)Ischemic colitis

Explicação

Ulcerative colitis presents with continuous mucosal inflammation limited to the colon with rectal involvement. The rectum is always involved, and inflammation extends proximally without skip lesions. Bloody diarrhea is the classic presentation. Ver explicação completa e trilha adaptativa →

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