Histologic Diagnosis of Inflammatory Skin Diseases

Images

…obules in the uppermost part of the dermis represent necrotic keratocytes, a consequence of the effects of products of lymphocytes on the epidermis. Were there no alterations at the dermoepidermal junction, the changes would be those of the tumid exp…

Histologic Diagnosis of Inflammatory Skin Diseases

Epidermis

…at contain keratin and that cornify ultimately are designated keratocytes (erroneously called “keratinocytes,” which is analogous, in its wrongness, to “melaninocytes”). Cornification is the raison d’ĂȘtre of epidermis, t…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…ten perpendicular to the skin surface 7. Two populations of keratocytes, “basaloid” and “squamoid” 7. One population of keratocyte, “squamoid” 8. Pigmented markedly by melanin sometimes 8. Not pigmented markedl…

Differential Diagnosis in Dermatopathology

Discussions

…rmis and of eccrine ducts and the dermis, individual necrotic keratocytes in the surface epidermis and upper portion of epithelial structures of adnexa, spongiosis, ballooning, lymphocytes contiguous to many necrotic keratocytes, clusters of necrotic…