[Bladder adenomyomatosis. Apropos of a case of segmental involvement. Correlation ultrasonography-MRI]

Adenomyomatosis of the gall bladder is a classical but seldom recognized cause of gallbladder wall thickening. The authors review the imaging features of this disease and emphasize the value of ultrasound and MRI. Although considered a benign disease, some recently described cases of neoplastic transformation may warrant surgery.