Search Results for: neoplasms

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A Clinical Atlas of 101 Common Skin Diseases

Nevus Sebaceus

A hamartoma of epidermis, epithelial structures of adnexa, and presumably dermal elements, typified, when fully formed, by a papillated or verrucous yellowish plaque situated usually on the scalp. The condition may present itself as a solitary lesio…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Eccrine Neoplasms?

…eral pathology, and dermatopathology, most adnexal epithelial neoplasms in the skin display eccrine differentiation. Some of those are even identified as “eccrine” in their title, e.g., eccrine poroma, eccrine spiradenoma, eccrine papilla…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Origin of Adnexal Neoplasms?

…ral pathologists is the assumption that the origin of adnexal neoplasms can be determined by scrutiny of sections of tissue. The assumption is false. Histopathologists cannot judge the origin of adnexal neoplasms, i.e., whether they derive from folli…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Benign and Malignant Cells?

…nt. As a matter of fact, no cell is benign or malignant; only neoplasms are benign or malignant. A benign neoplasm has no capability to kill either by destruction of tissue locally or by metastasis; a malignant neoplasm has the potential to kill by l…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Basal-Cell Carcinoma Common in Nevus Sebaceus?

…or or susceptible to the eventual development of a variety of neoplasms that generally occur in adulthood. The most common of these is basal cell carcinoma, which develops in 5% to 7% of the lesions.” Murphy GF, Elder DE. Benign tumors with pil…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Myxoma?

…ty, there are no authentic myxomas, only benign and malignant neoplasms accompanied by variable quantities of mucin on one hand and large deposits of mucin on the other. Mucin may be manufactured by either cells epithelial or nonepithelial. In epithe…

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