Search Results for: melanocytes

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Nevus Cells, Nevocytes, and Nevomelanocytes?

…ive and different from melanocytes. In fact, what are termed nevus cells, nevocytes, and nevomelanocytes are simply abnormal melanocytes. Melanocytes, whether normal or abnormal, are defined morphologically on the basis of ultrastructural…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Junctional Activity and Active Junctional Nevus?

…as solitary units predominate over nests in some high-power fields, and, in contrast to the situation in melanomas, nests of melanocytes and melanocytes organized as solitary units in nevi are situated entirely at the dermoepidermal junction and not…

Spitz and Reed nevi: acquired or congenital?

Spitz and Reed nevi: acquired or congenital?

…ficial or superficial and deep melanocytic proliferations composed of largish, fusiform or epithelioid, in part multinuclear melanocytes (“Spitz cells”) aggregated in largish, predominantly vertically oriented nests [1,21]. Fittingly,…

Nail matrix melanoma: consecutive cases in a general practice

Nail matrix melanoma: consecutive cases in a general practice

…ht: ©2012 Rosendahl et al.] Figure 12B. High power micrograph of the boxed area in A with pan-melanoma stain. Plump atypical melanocytes are seen in lentiginous array (black arrows), in some parts confluent. Pagetoid spread of melanocytes is also…