Mark Abdelmalek

Are You Confident of the Diagnosis? What you should be alert for in the history The diagnosis of trichofolliculoma is considered when a solitary slow-growing asymptomatic lesion appears on the face, neck, or scalp. Patients sometimes complain of thin hairs growing from the lesion and have cosmetic concerns associated with it. Characteristic findings on physical…

Are You Confident of the Diagnosis? What you should be alert for in the history The diagnosis of trichoepithelioma is considered when a patient presents with solitary and asymptomatic papules on the face. If a patient presents with multiple asymptomatic papulonodules on the face, as well as other areas of the body including the trunk…

Are You Confident of the Diagnosis? What you should be alert for in the history The diagnosis of trichodiscoma is considered when a solitary skin-colored lesion that is smooth and firm, but is otherwise asymptomatic, is present on the face, trunk, or thighs. If multiple such lesions appear and there is a family history of…

Are You Confident of the Diagnosis? What you should be alert for in the history The diagnosis of trichoblastoma is considered when an asymptomatic raised skin-colored lesion appears on the scalp or the face of an individual. Cosmesis regarding the size or location of the lesion is a major patient concern associated with trichoblastomas. Characteristic…

Are You Confident of the Diagnosis? What you should be alert for in the history The diagnosis of trichoadenoma is considered when a patient presents with an asymptomatic solitary lesion on the face or buttock. Characteristic findings on physical examination Trichoadenomas are typically found on either the face or buttocks. They are usually solitary nodules…

Are You Confident of the Diagnosis? Characteristic findings on physical examination Trichilemmoma usually presents as a solitary skin-colored papule on the face of older adults, especially the nose and cheeks. It is slow growing and asymptomatic. Occasionally, the surface may be hyperkeratotic or verrucous. Rarely, it can present at the base of a cutaneous horn…

Are You Confident of the Diagnosis? Characteristic findings on physical examination Trichilemmal carcinoma usually presents as a solitary exophytic or polypoid nodule (0.3 to 6cm) on the sun-exposed hair-bearing skin of older individuals. It may be keratotic or ulcerated, but is otherwise asymptomatic. The lesion is usually present for less than 1 year, with an…

Are You Confident of the Diagnosis? What you should be alert for in the history Characteristic findings on physical examination Sebaceous carcinoma (SC) has been termed the “great masquerader” of adnexal tumors. Its diverse clinical presentation does not allow for a characteristic illustration. Yet clinical awareness and diagnostic acumen are paramount given its aggressive and…

Are You Confident of the Diagnosis? What you should be alert for in the history Pyogenic granuloma (PG; also referred to as lobular capillary hemangioma) usually presents as a red papule or nodule (<1 cm) with a propensity to bleed in children and young adults. Patients may recall precedent trauma. The lesion commonly goes through…