malacoplakia, malakoplakia

Rare lesion in the mucosa of the urinary bladder and other organs, more frequent in women, characterized by numerous mottled yellow and gray soft plaques and nodules that consist of numerous macrophages and calcospherites (Michaelis-Guttmann bodies) that may form around intracellular bacteria, usually Escherichia coli. [malaco- + G. plax, plate, plaque]