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A Clinical Atlas of 101 Common Skin Diseases

Seborrheic Keratosis, Including Solar Lentigo

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A benign neoplasm of keratinocytes that consists of pigmented macules, papules, and plaques distributed on sun-exposed sites for a solar lentigo and the reticulated type of seborrheic keratosis, which represents a later stage of solar lentigo, and on the trunk mostly for other types of seborrheic keratosis unrelated to solar lentigo.

A Clinical Atlas of 101 Common Skin Diseases

Seborrheic Keratosis, Including Solar Lentigo

…s, papules, and plaques distributed on sun-exposed sites for a solar lentigo and the reticulated type of seborrheic keratosis, which represents a later stage of solar lentigo, and on the trunk mostly for other types of seborrheic keratosis unrelated…

A Clinical Atlas of 101 Common Skin Diseases

Squamous Cell Carcinoma

…or papule on skin damaged badly by sunlight is referred to as solar keratosis. When present as a plaque it is termed Bowen’s disease, and when present as many papules in the anogenital region it is called bowenoid papulosis. Solar keratosis, B…

Therapeutic Strategies in Dermatology

Melanoma: Key Points

…thout radial spread (extension along the surface of the skin). Lentigo maligna melanoma (LMM) presents as a highly asymmetric pigmented lesion with evolution of darker or lighter areas of pigmentation within a lentigo on the face. Acral lentiginous m…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Lentigo?

…ns that were the size of those beans. Over the years, however, lentigo has come to be used in the title of a variety of pigmented conditions, to wit, simple lentigo, PUVA lentigo, solar lentigo, labial lentigo, lentigo maligna, and acral-lentiginous…

Therapeutic Strategies in Dermatology

Urticaria: Initial Evaluation

Initial Evaluation Acute urticaria Migrating pruritic edematous papules and plaques of variable size, surrounded by erythema or an area of vasoconstriction (i.e., wheal). Can be intermittent, with the skin returning to normal appearance in less tha…

A Clinical Atlas of 101 Common Skin Diseases

Melanoma

A malignant neoplasm of melanocytes that, in the skin, begins as a macule and may become a patch or a papule. A flat lesion of melanoma tends to be asymmetrical, poorly circumscribed with a scalloped, jagged, or notched border, and variegate, mostly…

Therapeutic Strategies in Dermatology

Chondrodermatitis Nodularis Helicis: Key Points

Key Points Chondrodermatitis nodularis helicis (CNH) is an uncommon, strikingly painful lesion on the helix or antihelix of the ear, which often appears as a crusted ulceration mimicking a cutaneous malignancy. Diagnosis may be made by clinical exa…

Therapeutic Strategies in Dermatology

Chondrodermatitis Nodularis Helicis: Treatment

Treatment First-line therapy: All patients should be counseled to protect the ear and avoid repeated external trauma. Initial therapy includes advising patients to avoid pressure to the area. Patients should use a soft pillow, including potentially…

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