Congenital Anomalies of the Penis by Mohamed Fahmy

Author:Mohamed Fahmy
Language: eng
Format: epub
Publisher: Springer International Publishing, Cham

Post traumatic after implantation of epithelial elements in the dermis of penile skin.

Post penile surgery; mainly circumcision, hypospadias repair and after an inadequate procedure for penile girth enhancement due to inclusion of epidermal cells within a circumscribed space of the dermis (Figs. 19.5 and 19.6).

Diagnosis Penile epidermal cysts can be diagnosed by careful examination and radiological evaluation, including ultrasonography and computed tomography. Magnetic resonance imaging may be useful in cases of suspected extension into the pelvis, although such cases are rare. If a urethral diverticula or urethrocutaneous fistula is suspected, retrograde urethrography or voiding cystourethrography should be carried out. In addition, the differential diagnosis of an epidermal cyst includes teratoma and dermoid cyst. However, skin and its appendages are present in a dermoid cyst, and derivatives of other germ cells are present in a teratoma. Biopsy is necessary for a definitive diagnosis [2].

Complications Cystic infection, pain, cystic rupture, urethral obstruction because of the big dimension, and subsequent urethro-cutaneous fistula and disfigurement with psychic truma are reported, but neoplastic transformation of the epithelium of epidermoid cysts has been reported rarely in other organs, but not in penile cases [3].

Management Surgical excision of penile epidermal cysts is the treatment of choice. The resection should be completed without leaving any epithelium to prevent a recurrence, patients with such cysts should be followed up after complete cyst removal.

So care needs to be taken while performing even minor preputial or penile surgical procedures to avoid inclusion cystic formation.

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