Search Results for: melanocytes

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Lentigo Maligna?

…rmis are not equidistant from one another, vary considerably in size and shape, and have become confluent in loci. Moreover, melanocytes disposed as solitary units predominate over nests in some high-power fields, and some melanocytes are present…

Differential Diagnosis in Dermatopathology

Discussions

…bove the dermoepidermal junction and sometimes being present at all levels of the epidermis) and the dermis, some neoplastic melanocytes in mitosis, and an infiltrate of lymphocytes in the dermis. In actuality, nuclear abnormalities of melanocytes

Differential Diagnosis in Dermatopathology

Discussions

…identity. In actuality, those cells conventionally termed “nevus cells,” “nevocytes,” and “nevomelanocytes” are abnormal melanocytes. Lentigo maligna (Hutchinson’s freckle, melanosis circumscripta…

Acral melanoma with hyperkeratosis mimicking a pigmented wart

Acral melanoma with hyperkeratosis mimicking a pigmented wart

…ually made. Figure 3. (A) Hematoxylin and eosin staining revealed remarkable hyperkeratosis and many large nests of atypical melanocytes at the dermoepidermal junction. (B) Nests of atypical melanocytes ascending into the stratum corneum. (C) The…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Dysplasia?

…atypical mole, and atypical mole syndrome. “It has been stated that the peripheral extent of growth of intraepidermal melanocytes defines the lateral margins of the dermal component of nevi and that the nesting of melanocytes within the…