Biomedical subjects
Publications and source records attributed to H Rahbari.
Punctate porokeratosis is not usually recognized as a clinical form of porokeratosis of Mibelli. Two cases of punctate porokeratosis are presented. Other punctate lesions with similar clinical features which should be considered in the differential diagnosis are discussed.
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Hyperkeratosis of the nipple and areola is a rare condition that may occur in association with various forms of ichthyosis or as the result of extension of an epidermal nevus. The nevoid form is extremely rare and appears most commonly in women in their second or third decade of life. It is characterized by verrucous thickening and brownish discoloration of both nipples and areolae. Thirteen cases of this type have been reported. We are describing two additional cases to bring the total to 15 instances.
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The occasional occurrences of combined hamartomas composed of nevus cell nevi and adnexal tumors are not chance happenings. Pigmented nevi are malformations consisting of nevus cells together with various connective tissue and epithelial components. The proliferation of these components results in the combined malformations, whose occurrence, we believe, is more supporting evidence for the idea that pigmented nevi may have other components besides nevus cells.
Twenty-three instances of a histological variant of basal cell epithelioma are presented for the first time in the American literature, to our knowledge. This variant has been termed adamantinoid basal cell epithelioma because of its histological resemblance to adamantinoma (ameloblastoma) of the oral cavity.
A patient had congenital absence of thumb nails with associated absence of the distal phalanges of the thumbs. We reveiw the pertinent literature.
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The case of a patient with bowenoid papulosis of the penis is described. Although his lesions resembled those of condylomata acuminata, a biopsy showed squamous cell carcinoma in situ. This case and those described in previously published reports confirm that squamous cell carcinoma in situ may exist in a papillomatous form on the genitalia of young adults. Venereologists must be familiar with this entity and must not dismiss all verrucous and papillomatous genital growths as condylomata acuminata.