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Table 1 Differential diagnosis of right lower quadrant pain after appendectomy

From: Point-of-care ultrasound diagnosis of stump appendicitis in the emergency department

Meckel’s diverticulitis

Psoas abscess

Cecal diverticulitis

Cholecystitis

Regional enteritis

PID

Leaking aneurysm

Torsion of ovarian cyst

Abdominal wall hematoma

Mittelschmerz

Ureteral stone

Endometriosis

Seminal vesiculitis

Mesenteric adenitis

Prostatitis

Right lower lobe pneumonia

Acute testicular disease

Appendiceal stump abscess