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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

…, 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 t…

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, Bo…

Therapeutic Strategies in Dermatology

Melanoma: Key Points

…o diagnose correctly. Clinical phenotypes of melanoma include lentigo maligna melanoma, superficial spreading melanoma, nodular melanoma, acral lentiginous melanoma, amelanotic melanoma, mucosal melanoma, and ocular melanoma. Prognosis is largely det…

Therapeutic Strategies in Dermatology

Urticaria: Initial Evaluation

…infiltrate. Other mechanisms of urticaria, especially relevant to chronic urticaria, include: Autoimmune: via IgE receptor crosslinking IgG via anti-IgE IgG via C5a Physical urticaria: cold, pressure, cholinergic, vibratory, aquagenic, solar

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

…squamous cell carcinoma). Other entities to consider include solar (actinic) keratoses, cutaneous horns, verruca vulgaris (warts), gouty tophi, or other cutaneous malignancies. A small skin biopsy is sometimes performed to confirm the diagnosis and…

Therapeutic Strategies in Dermatology

Chondrodermatitis Nodularis Helicis: Treatment

….2 mL injected), given the thin skin of the area and frequent solar damage, we suggest starting with the lower concentrations (5 mg/cc, 0.1 mL). Topical nitroglycerine 2% has been shown to help moderate numbers of patients in a small case series, wit…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Lentigo?

…ntiginous melanocytic proliferation is seen in the macules of solar lentigo and lentigo simplex, and in the macular or plaque components of lentiginous junctional and compound nevi, of lentiginous dysplastic nevi, and of melanomas of the lentigo mali…

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