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Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Metastasizing Dermatofibroma?

…e. Dermatofibroma thus joins the ranks of “benign” tumors with rare metastasis which include such examples as uterine leiomyomas and salivary mixed tumor.” Colome-Grimmer MI, Evans HL. Metastasizing cellular dermatofibroma: a report…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Sclerotic Fibroma?

…iated with Cowden’s disease. . . . Whether this peculiar tumor represents a true hamartoma or a degenerating end of another fibrotic tumor remains to be determined.” Lo WL, Wong CK. Solitary sclerotic fibroma. J Cutan Pathol 1990;17:269&…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Tricho-, pilo-, folliculo- ?

…ho-, 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 m…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Satellite, in Transit, Regional, and Distant Metastases?

…y are called remote metastases.“ Hertzler AE. Growth of tumors. In: A treatise on Tumors. Philadelphia, PA: Lea & Febiger, 1912:28. “Dermal and subcutaneous metastases (satellites, intransit, or ‘remote’ metastases) are…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Blue Nevus?

…1989;13:39-44. “Blue nevi are benign dermal melanocytic tumors defined originally in terms of their clinically characteristic blue-black color.” Elder DE, Murphy GF. Benign melanocytic tumors (nevi). In: Atlas of tumor pathology: melano…

Dermatology Practical & Conceptual

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

Abstract Background: Eccrine poroma is a benign neoplasm that can mimick a malignant neoplasm dermoscopically. The characteristic vascular pattern of this tumor has not been established. Objective: To evaluate dermoscopic features of non-pigmented e…

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