Erythroplasia of Queyrat (EQ) is Squamous cell carcinoma in situ of penis usually involving glans and prepuce, commonly found in uncircumcised men with progression into invasive carcinoma in about 30% of cases. We present a case of 50 yrs, male with reddish, Irritative rash on glans penis;HPE confirms the case of EQ with acanthosis, derangement of stratum spinosum and basement membrane integrity. It successfully treated with two cycle of Photo Dynamic Therapy (PDT). If conservative approach with immquimod, fluorouracil fails then invasive approach should be adopted.
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