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Concurrent Robotic Abdominoperineal Resection and Prostatectomy in a Patient With Synchronous Primary Adenocarcinomas
Anna Weiss^*1, Ryan C. Broderick¹, Luis C. Cajas-Monson¹, Janos Taller², Sonia Ramamoorthy¹, Marc Chuang², Daniel D. Klaristenfeld<sup>2

1</sup>Surgery, UC San Diego, San Diego, CA; ²Surgery, Kaiser Permanente, San Diego, San Diego, CA

We present a unique case of synchronous rectal and prostate primary adenocarcinomas. A 61 year old man presented with 3 weeks of rectal bleeding, and perianal pain. Past medical history was significant for a diagnosis of prostate adenocarcinoma 4 years ago. On physical exam there was a rectal tumor in the left anterior position, starting at the dentate line and extending beyond the finger. On magnetic resonance imaging he had T3N1 disease of the rectum. He underwent neoadjuvant chemoradiation and eight weeks later concurrent robotic abdominoperineal resection and prostatectomy. His surgical pathology revealed two primary adenocarcinomas, one of 16 nodes positive for prostate adenocarcinoma.

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