Flank pain Ddx by category or system (8)
Vascular Renal Ureter Bladder GI GU Gynecologic Other
Flank pain Vascular Ddx (5)
AAA Aortic dissection Mesenteric ischemia Renal artery embolism Renal vein thrombosis
Flank pain Renal Ddx (5)
Pyelonephritis Papillary necrosis Renal cell carcinoma Renal infarction Renal hemorrhage
Flank Pain Ureteral Ddx (4)
Nephrolithiasis
Blood Clot
Stricture
Tumor (primary or metastatic)
Flank Pain Bladder Ddx (3)
Cystitis
Varicose vein
Tumor
Flank Pain GI Ddx (8)
Biliary colic Pancreatitis Perforated peptic ulcer Appendicitis (appendix may be pushed into RUQ in pregnancy) Inguinal hernia Diverticulitis Bowel obstruction Cancer
Flank Pain Male GU Ddx (2)
Testicular torsion
Epididymitis
Flank Pain Gynecologic Ddx (6)
Ectopic pregnancy PID TOA Ovarian cyst Ovarian Torsion Endometriosis
Flank Pain Other Ddx (5)
Shingles Lower Lobe PNA Retroperitoneal mass (hematoma, abscess, tumor) Epidural Abscess Epidural hematoma