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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…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Dermatofibroma?

“Cutaneous fibroma Fibroma simplex Simple fibroma of the skin, as defined above, is a benign tumor, usually appearing solitary, on the upper part of the body and the extremities, which, mainly imbedded in the skin, is only rarely and little…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Changing Mole?

…be a melanoma. Relentlessness is a characteristic of malignant neoplasms, in contrast to the situation in benign neoplasms where, sooner or later, the process comes to a halt. Physicians, themselves, should not “buy into” the fiction of s…

Differential Diagnosis in Dermatopathology

Discussions

Seborrheic keratosis of the acanthotic type and eccrine poroma are both benign, epithelial, exo-endophytic neoplasms comprised mostly of small, round (basaloid) cells. Melanocytes may be scattered among keratocytes in both conditions. Seborrheic ker…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Fibromatoses?

“Benign tumors and tumor-like proliferations Fibromatoses Fibroma molle Nonmetastasizing fibrosarcomas Desmoid tumor Keloid Cicatricial fibromatosis Palmar fibromatosis (fibroma or pseudotumor of Dupuytren’s contracture) Plantar fibroma…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Nevus Cells, Nevocytes, and Nevomelanocytes?

“A nevus (mole) is a benign neoplasm of pigment-forming cells, the nevus cell.” Lookingbill DP, Marks JG Jr. Principles of clinical diagnosis. In: Moschella SL, Hurley HJ, eds. Dermatology. 3rd ed. Philadelphia, PA: WB Saunders Co., 19…

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