Isolated Penile Edema After Diagnostic Paracentesis.

Diagnostic paracentesis is a routinely practiced, typically safe procedure performed in the emergency department. Genital swelling post-paracentesis is a rare complication with few documented case reports. We report a case of isolated penile edema after a diagnostic paracentesis performed in the emergency department. The patient is a 63-year-old male who came to the emergency department with a two-day history of isolated penile swelling after undergoing a diagnostic paracentesis in the emergency department as part of his workup during a recent hospital admission. On exam, the paracentesis site was noticeably low, beneath the inguinal ligament on the right side. His genital exam showed a circumcised penis with significant soft tissue swelling that involved the entire penile shaft sparing the glans and scrotum. There was no penile tenderness on palpation or urethral discharge. The testicles and scrotum revealed no signs of edema or tenderness, hernias, or abnormal lie. Of note, the patient reported that he had a less severe episode of penile swelling approximately one year ago after a paracentesis in a similarly low site, which resolved spontaneously. The features and timing of this presentation, added to the patient's previous episode over a year ago, pointed to this being a sequela of the paracentesis he had undergone during his last hospital stay. After evaluation and consultation with the urology service, he was discharged home with expectant management and outpatient follow-up. His symptoms resolved spontaneously after one week. To our knowledge, there have been no published reports of isolated penile edema after a diagnostic paracentesis. This case could be used when teaching the proper technique for performing a paracentesis and its potential complications.

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The authors have declared that no competing interests exist.