Search Results for: sebocyte-like melanocyte

Nail matrix melanoma: consecutive cases in a general practice

Nail matrix melanoma: consecutive cases in a general practice

…Figure 3 stained with pan-melanoma immunoperoxidase stain shows prominent dendrites with focally confluent plump junctional melanocytes (black arrows) and a Pagetoid melanocyte (red arrow). [Copyright: ©2012 Rosendahl et al.] The patient was…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Precursor Lesions of Melanoma?

…iginous melanocytic proliferation” is a vague description, one that is applicable equally to a benign proliferation of melanocytes (labial lentigo) and a malignant one (melanoma in situ). Neither labial lentigo nor melanoma in situ is a…

Nail apparatus melanoma initially diagnosed as nail matrix blue nevus: a case report with dermatoscopy and dermatopathology

Nail apparatus melanoma initially diagnosed as nail matrix blue nevus: a case report with dermatoscopy and dermatopathology

…tic features of 121 cases. Br J Dermatol. 2007;157:311–318. PubMed CrossRef 5. Weedon D, Van Deurse M, Rosendahl C. “Occult” melanocytes in nail matrix melanoma. Am J Dermatopathol. 2012;34:855. PubMed CrossRef 6. Thomas L, Dalle S. Dermoscopy…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Epidemic of Melanoma?

…f evidence that a virus or any other agent is responsible for its development. It makes no sense for a malignant neoplasm of melanocytes of noninfectious cause to suddenly assume proportions epidemic. It makes good sense, however, to explain that…

Pigmented eccrine poroma: dermoscopic and confocal features

Pigmented eccrine poroma: dermoscopic and confocal features

…sels. Minagawa et al. [3] valuated PEP, describing 12 cases in which vascular structures, globule-like structures and comedo-like openings were the hallmarks. More recently, it has been shown that eccrine poroma might mimic several benign and…

Differential Diagnosis in Dermatopathology

Discussions

…esion has constricted as a consequence of the effects of fibroplasia longstanding and of effects of the process on epidermal melanocytes. A Spitz’s nevus, like some other kinds of melanocytic nevi, evolves in sequential fashion. It begins with…