An 11-month-old boy presents with sudden onset intermittent episodes of severe crying and leg-drawing posture. He has vomited twice and passed bloody, mucus-laden stools. Vital signs show HR 128/min, RR 26/min, BP 95/60 mmHg, and temperature 38.2°C. Abdominal ultrasound demonstrates a characteristic target sign in the right lower quadrant. Complete blood count shows mild leukocytosis at 13,200/μL. Notably, there is no abdominal distension or evidence of perforation. Which diagnosis best explains these findings?
- A)IntussusceptionGABARITO
- B)Meckel diverticulum
- C)Hirschsprung disease
- D)Necrotizing enterocolitis
- E)Pyloric stenosis
Explicação
Intussusception is telescoping of one bowel segment into another, most commonly ileum into colon, causing episodic colicky pain and currant jelly stools. The target sign on ultrasound is the classic imaging finding. Ver explicação completa e trilha adaptativa →