Preferred Label : acorn deformity;
RADLEX synonyms : spinning top urethra; spinning top configuration; arrowhead urethra;
Definition : Narrow bladder neck and widened distal urethra produce the appearance of an acorn
or spinning top on an excretory urogram of a female. May suggest urethral stenosis,
but may be produced by normal passage of large amount of urine.;
Source : Eisenberg, Ronald L. Atlas of Signs in Radiology; Emmett JL, Myers GH, Utz DC. Emmett's
Clinical Urography: an Atlas and Textbook of Roentgenologic Diagnosis. Philadelphia,
WB Saunders, 1977. Mulligan ME. Classic radiologic signs: an atlas and history.;
Origin ID : RID34997;
Associated condition(s)
Narrow bladder neck and widened distal urethra produce the appearance of an acorn
or spinning top on an excretory urogram of a female. May suggest urethral stenosis,
but may be produced by normal passage of large amount of urine.
