beehive on the bladder

beehive on the bladder

A fanciful term for a biconvex triangular deformity, the apex of which corresponds to the bladder end of a colovesicular fistula. The colon becomes fixed to the peritoneal surface of the bladder, resulting in restricted bladder contraction, stasis and focal cystitis with necrosis of the fibromuscular tissue between the bladder and the colon, resulting in fistula formation.