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Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Satellite, in Transit, Regional, and Distant Metastases?

…emote parts of the body. When developing in the region of the tumor they are called local metastases, when in the neighboring lymph glands they are called regional metastases, and when in distant parts they are called remote metastases.“ Hertz…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Blue Nevus?

…Anat 1906;186:212-229. “Histologic examination of the tumor [blue neuro-nevus] reveals, from the first glance, three associated structures: (1) . . . an infiltration of the dermis by melanocytes of the type called mesenchymal and which are id…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Tricho-, pilo-, folliculo- ?

…o-, and folliculo-, are named incorrectly. For example, pilar tumor is not a neoplasm of hair, but a follicular cyst with a lining like that of a normal isthmus and of a normal follicle well embarked on catagen. Proliferating pilar tumor also is a mi…

Dermatology Practical & Conceptual

From the Dermatologikum Hamburg: Quiz

…elioma, progressive lymphangioma and so-called Dabska’s tumor [3]. Late lesions have been described as showing collapsed vascular lumina, fibrosis, and abundant hemosiderin [3]. It is important to note that hobnail endothelial cells are not uni…

Dermatology Practical & Conceptual

Dermoscopy of non-pigmented eccrine poromas: study of Mexican cases

…dermoscopically. The characteristic vascular pattern of this tumor has not been established. Objective: To evaluate dermoscopic features of non-pigmented eccrine poroma in Mexican patients. Method: We retrospectively studied histologically proven ca…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Invasion by Neoplastic Cells?

…ay have two major lesional ‘compartments;’ the nontumorigenic, in situ or microinvasive radial growth phase; and an adjacent contiguous tumorigenic vertical growth phase compartment. Elder DE, Elenitsas R. Murphy GF, Xu X. Benign pigment…

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