A rare morphologic variant of bladder adenocarcinoma characterized by the presence of malignant glandular epithelial cells and clear cells distributed in a tubulo-cystic, papillary, or diffuse pattern. There is a female predilection. Clinical presentation includes hematuria and dysuria. The disease is bladder clear cell adenocarcinoma (MONDO_0003386). Also known as: bladder mesonephric adenocarcinoma, urinary bladder clear cell adenocarcinoma.