Squamous cell carcinoma of the penis

Discussion:

This case nicely illustrates the overlapping appearance of necrotic nodal metastases from squamous cell carcinoma and abscesses.

This patient was initially imaged for concern for soft tissue swelling and abscess of the penis/scrotum. The area of soft tissue thickening about the glans penis was not appreciated to represent a primary tumor at the time of initial imaging. Given that history, the very large inguinal lymph nodes were stated to represent necrotic lymph nodes or abscesses. The smaller but abnormal common femoral chain lymph nodes obscured by metallic artifact were not appreciated at the time of initial imaging.

The patient was evaluated by urology and diagnosed with squamous cell carcinoma of the penis, and underwent distal penectomy.

The patient had persistent leukocytosis of 25,000 following surgery, and the decision was made to place pigtail catheters into the necrotic lymph inguinal lymph nodes with the concern of the could be superinfected or abscesses. The fluid culture to the pigtail catheters returned as malignant cells, consistent with squamous cell carcinoma. Additionally, on the follow-up examination can seen enlargement of the common femoral left common iliac chain nodal metastases. It is generally discouraged to attempt to drain necrotic nodal metastases.

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