Table 1. Diagnoses of right lower quadrant and/or right flank pain in 201 patients without appendicitis.

Diagnosis	n
GI tract aetiology (gastroenteritis, infectious colitis, diverticulitis, SBO, DU, IBD, hernia constipation, GERD, neoplasm, diarrhoea, vomiting, intussusception, ischaemia)a	45
Ovarian aetiology (cyst, torsion, abscess, neoplasm)	19
Urinary tract aetiology (pyelonephritis, cystitis, hydronephrosis, nephrolithiasis)	17
Uterus, cervix, vagina (fibroids, cervicitis, vaginitis, endometriosis)	9
Pelvic inflammatory disease	8
Pancreatic aetiology (pancreatitis, pancreatic neoplasm)	5
Biliary aetiology (cholecystitis, cholangitis, cholelithiasis)	4
Miscellaneous (traumatic soft tissue contusion, AAA, liver metastases, radiating muscle pain)	7
Abdominal pain, otherwise not specified	87b

AAA, abdominal aortic aneurysm; DU, duodenal ulcer; GERD, gastrointestinal reflux; GI, gastrointestinal; IBD, inflammatory bowel disease; SBO, small bowel obstruction. ^aIn cases where a final diagnosis could not be made, a symptom (e.g. diarrhoea) was often recorded as the final diagnosis in the medical record and is reported here.^b65 patients with negative follow-up available in the medical record.