Malignant priapism

Discussion:

Malignant priapism is defined as a persistent, painful, and nonsexual erection due to malignant cells infiltrating the cavernous sinuses and associated venous system of penis 1. It occurs in 20-50% of cases of penile metastases. Other manifestations of penile metastases include indurated nodules, penile masses and skin lesions 2.

The majority (nearly 70%) of the penile metastases arise from primary malignancies of the genitourinary tract such as prostate and urinary bladder 3. Metastatic spread of malignancy to the penis represents an advanced stage of the disease, and the prognosis is generally poor 1-3.

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