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. 2014 Jul;8(7-8):E558-60.
doi: 10.5489/cuaj.1695.

Malignant priapism secondary to isolated penile metastasis from a renal pelvic carcinoma

Sulai Liu  1 , Fuhua Zeng  2 , Lin Qi  3 , Shusuan Jiang  4 , Pingping Tan  5 , Xiongbing Zu  3 , Yu Xie  2 , Weiqing Han  2
Affiliations

Malignant priapism secondary to isolated penile metastasis from a renal pelvic carcinoma

Sulai Liu et al. Can Urol Assoc J. 2014 Jul.

Abstract

We report a case of isolated penile metastasis from renal pelvic carcinoma in a 69-year-old man with malignant priapism. The patient had radical resection of the renal pelvic carcinoma 2 months earlier with urothelial carcinoma (UC) and sarcomatoid differentiation histology. Physical examination showed no visible skin lesions, but a palpable hard nodule was present over the penile shaft. The imaging studies did not reveal other metastases. Cavernous-Glans shunt and nodule resection were performed, and histological examination showed metastasis UC with sarcomatoid differentiation. To our knowledge, we describe the first case of malignant priapism due to isolated penile metastasis of renal pelvic carcinoma.

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Figures

Fig. 1.
Fig. 1.
Imaging examination showed right renal pelvic carcinoma. A: Retrograde pyelography, the right renal pelvis filling defect. B: A computed tomography of the right renal pelvis showing the solid portions density.
Fig. 2.
Fig. 2.
The histopathologic examination of therenal pelvic carcinoma with sarcomatoid differentiation. A: Hematoxylin and eosin (H&E) stain ×100 immunohistochemistry; B: cytokeratin (CK) ×100; C: vimentin (Vim) ×100; D: epithelial membrane antigen, (EMA) ×100.
Fig. 3.
Fig. 3.
The histopathologic examination of the penile nodule revealed metastatic renal pelvic carcinoma with sarcomatoid differentiation. A: Hematoxylin and eosin (H&E) staining ×200 immunohistochemistry; B: vimentin (Vim) ×200; C: cytokeratin pan (CK) ×200; D: epithelial membrane antigen (EMA) ×200.
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