Number of unusual findings

n = 11

Female

n = 9 (82%)

Male

n = 2 (18%)

Age (years)

50.9 ± 22.0

Personal pathological non-surgical background

Hypertension

n = 3

Cerebrovascular events

n = 1

Secondary hypothyroidism

n = 1

Epidermoid carcinoma

n = 1

Osteopenia

n = 1

Personal pathological surgical background

Cesarean

n = 2

Total abdominal hysterectomy

n = 1

Laparoscopic cholecystectomy

n = 2

Physical Exam

McBurney/Rovsing’s sign/Peritoneal irritation

n =8

Abdominal mass

n =3

Admission diagnosis

Acute appendicitis

n = 8

Right adnexal mass

n = 3

Timing of the unusual diagnosis with respect to surgery

Before surgery

n = 4

After surgery

n = 7