Solitary second metatarsal metastasis as the first site of distant spread in TCC urinary bladder: A case report

Metastasis to the skeleton is uncommon in muscle-invasive carcinoma of the urinary bladder. When present, it most commonly involves the axial and proximal appendicular skeleton, and acrometastasis (metastasis to hand and foot) is very rare. We report a patient who developed a solitary metastatic lesion of the left metatarsal 2 weeks after radical cystectomy. The lack of suspicion and magnetic resonance imaging findings suggestive of inflammation led to a diagnosis of tubercular osteomyelitis and antitubercular therapy was started. The patient developed nodal metastasis and, because the foot lesion did not respond to treatment, fine needle aspiration cytology from it revealed poorly differentiated metastatic cancer.