Genitourinary Radiology Signs:
Many of the signs are not specific. Please click on the signs for other differentials.
Bear paw sign – Xanthogranulomatous Pyelonephritis
Bridging Vascular Sign – uterine origin of a juxtauterine mass
Calyceal Crescent Sign – hydronephrosis
Cobra Head Sign – Intravesical ureterocele
Drooping Lily Sign – duplicated renal pelvis
Golf Ball-on-Tee Sign – renal papillary necrosis
Leash sign – ectopic pregnancy
Perirenal cobweb sign – ureteral obstruction
Soft-Tissue Rim Sign – ureteral calculus
String of bead sign – Fibromuscular dysplasia
T2 Shading Sign – endometrioma
Tip of iceberg sign – dermoid cyst
Twin Peak Sign – Diamniotic dichorionic gestation