giant seborrheic keratosis on the right flank part: a case report

Introduction: seborrheic keratosis (sk) is one of the most common non-cancerous lesions that appears on the sun-exposure areas of the body and highly prevalent among the middle-aged population. it is the result of the hyperproliferation of keratinocytes. the clinical changes in sk lesions such as sudden growth, color changes, and ulcerations are accompanied by malignancies. case presentation: this study presents a rare case of giant sk on the flank part with rapid enlargement. the manifestations were in favor of malignancy and the patient underwent biopsy and total excision with a good outcome. conclusions: giant sk is a rare type of sk that has various similarities with malignant masses and requires further investigation.