Fig. 1From: Primary follicular dendritic cell sarcoma of the urinary bladder: the first case report and potential diagnostic pitfallsAbdominal ultrasound examination indicates a 43×28 mm slightly enhanced echo on the left side of the bladder wall (a). Color Doppler Flow Imaging detects a strip-like blood flow signal and records the pulsatile flow spectrum (b). Pelvic-enhanced computed tomography examination shows nodular soft tissue shadow at the left posterior wall of the bladder (c), which was obviously enriched after enhancement (d)Back to article page