Search Results for: collagenous nevus

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A Clinical Atlas of 101 Common Skin Diseases

Nevus Sebaceus

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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.

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…

A Clinical Atlas of 101 Common Skin Diseases

Melanocytic Nevi and Melanotic Macules

Hamartomas (“congenital” melanocytic nevi) and benign neoplasms (“acquired” melanocytic nevi) of various specific types, all of which are composed of abnormal melanocytes and manifested clinically as lesions of different…

A Clinical Atlas of 101 Common Skin Diseases

Epidermal Nevi

…Epidermal nevi are hamartomas in which the epidermis is abnormal, being hyperkeratotic, and in which lesions are aligned along Blaschko’s lines….

Therapeutic Strategies in Dermatology

Facial Melanosis, Melasma: Initial Evaluation

…Central facial involvement is most common but mandibular involvement may also occur. Differential diagnosis Photoallergic / phototoxic contact dermatitis Melanosis of Riehl’s (likely a photo-distributed contact dermatitis) Nevus of Ota, Nevus

Differential Diagnosis in Dermatopathology

Morphea, late stage vs. Collagenous nevus

…Epidermal nevi are hamartomas in which the epidermis is abnormal, being hyperkeratotic, and in which lesions are aligned along Blaschko’s lines….

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Blue Nevus?

…nanimity exists in any of those texts about nomenclature and classification of “blue nevi.” Some authors include nevus of Ota, nevus of Ito, and Mongolian spot among blue nevi, whereas others consider those pigmented patches to be…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Nevus?

…gy and pathology and that the term nevus be attended always by a modifier that gives specificity to it, e.g., elastic tissue nevus, nevus comedonicus, nevus anemicus, and Masson’s blue neuronevus. There is no place for the erroneous concept of…

Melanoma arising in a giant nevus spilus maculosus

Melanoma arising in a giant nevus spilus maculosus

…nodule with surrounding erythema. Figure 2. The nodule on the right leg appeared in association with a speckled lentiginous nevus (nevus spilus). Figure 3. Extension of the nevus spilus that crosses the midline. Figure 4. Close-up of nevus spilus…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Nevus Cells, Nevocytes, and Nevomelanocytes?

…anoma. In: Clinical Dermatology. 2nd ed. St. Louis, MO: CV Mosby Co., 1990:551. “Nevocytic Nevi Synonyms: Nevocellular nevus, nevus cell nevus. Nevus cells, or nevocytes, are cells closely related to the melanocytes which also originate from…

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