ERYTHROPLASIA OF QUEYRAT (BOWEN DISEASE OF THE GLANS PENIS) AND ROLE OF DERMOSCOPY IN DIAGNOSIS
*Dr. Ramadan Sayed Hussein
ABSTRACT
Erythroplasia of Queyrat (EOQ) is a squamous cell carcinoma in situ most commonly located on the glans penis or prepuce. EOQ accounts for roughly 10 % of all penile malignancies and may lead to invasive squamous cell carcinoma. Using of dermoscopy as adiagnostic tool can help in differentiating between noninfectious balanitis (Zoon’s plasma cell balanitis, psoriatic balanitis, seborrheic dermatitis and non-specific balanitis) and erythroplasia of Queyrat. Standard therapy includes local excision, partial or total penectomy, cryotherapy, and topical cytotoxic agents. Treatment of EOQ has proven to be challenging due to low response rates and recurrence. In addition, radical procedures can significantly affect sexual function and quality of life. Alternative laser treatments and photodynamic therapy (PDT) offer promising results for treating EOQ.[1,18,20]
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