Granulomatosis con poliangitis (Wegener) con sangrado gastrointestinal. Reporte de caso

Introduction: ANCA-associated vasculitides (AAV) are characterized by inflammation of small caliber blood vessels and a high percentage of positivity for antineutrophil cytoplasmic antibodies (ANCA).Clinical case: It is a case of a 74-year-old mestizo man, with dysphonia, weight loss, superficial erythematous lesions distributed in lower limbs. One week prior to admission, he presented rectal bleeding, diffuse abdominal pain with clinical data of hypovolemic shock, ulcerative colitis was identified (colonoscopy) and positive serology for PR3-ANCA. Immunosuppressive treatment was started with favorable evolution.Conclusion: AAV have variable clinical phenotypes with forms from mild to fulminant, they should be suspected early, treated promptly to favorably influence their prognosis.