Prostatic carcinosarcoma seven years after radical prostatectomy and hormonal therapy for prostatic adenocarcinoma: A case report

Figure 1 Preoperative pelvic computed tomography image demonstrating a 15 cm × 9 cm × 8 cm-large tumor mass with central necrosis distorting the bladder neck, which could only be recognized by a catheter balloon.

Figure 2  Preoperative pelvic magnetic resonance image showing a large tumor mass occupying the majority of the pelvic cavity with no evidence of rectal metastasis.

Figure 3 Hematoxylin–eosin staining. A: Image showing the pelvic tumor with sarcomatous-component spindled cells (original magnification, × 400); B: Image showing the pelvic tumor with sarcomatous-bizarre cells (original magnification, × 400).