A Case of Penile Pyoderma Gangrenosum Treated with Steroid Administration without Penectomy

Takahashi Shuhei, Numakura Kazuyuki, Kubo Kyouhei, Matsuda Yosinori, Yamamoto Ryohei, Honma Naoko, Nara Taketoshi, Kanda Sohei, Saito Mitsuru, Narita Shintaro, Inoue Takamitsu, Satoh Shigeru, Habuchi Tomonori

doi:10.14989/actauroljap_65_6_219

We report a case of idiopathic penile pyoderma gangrenosum that was successfully treated with corticosteroid treatment without penectomy. A 67-year-o1d man with induration and tenderness of the penile shaft visited a local hospital. A penile abscess was suspected on magnetic resonance imaging, and needle biopsy did not reveal malignancy. After the tension of the penile shaft had worsened, he was referred to our hospital where surgical drainage and re-biopsy were performed. Microbiological cultures revealed no growth, and pathological examination revealed no evidence of malignancy. Despite drainage, the abscess recurred on postoperative day 18. With a working diagnosis of penile pyoderma gangrenosum, we initiated prednisolone 30 mg once daily followed by taper and performed a second surgical drainage, leaving the wound open to heal by secondary intention. Wound discharge declined gradually, and no recurrence of abscess has yet been observed. Pyoderma gangrenosum is clinically diagnosed when subcutaneous chronic inflammatory findings are present without concurrent bacterial infection. Corpus cavernosum abscess presenting as the initial symptom of pyoderma gangrenosum is rare. Most cases of recurrent corpus cavernosum abscess eventually result in total penectomy. In this case, we successfully avoided penectomy by suspecting pyoderma gangrenous and initiating prednisolone treatment appropriately.

A Case of Penile Pyoderma Gangrenosum Treated with Steroid Administration without Penectomy

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