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A Clinical Atlas of 101 Common Skin Diseases

Cysts and Cystic Hamartomas

Papules, nodules, and tumors that, on gross examination, are usually skin colored and, on histopathologic examination, consist of an epithelium-lined sac that contains fluid, cells, or both in the case of true cysts and of cysts that are associated…

Therapeutic Strategies in Dermatology

Pyoderma Gangrenosum: Key Points

…xclusion; inflammatory and infectious conditions may mimic PG-like ulcers. PG may occur in association with an underlying systemic disorder. Treatment of PG requires both management of inflammation and optimized wound care. Advanced lesions may often…

Therapeutic Strategies in Dermatology

Pemphigus Foliaceus, Pemphigus Erythematosus: Overview

…rous than the disease. Pemphigus erythematosus may be treated like pemphigus foliaceus. Treatment First Steps, Limited Disease Apply a superpotent topical steroid cream twice daily for 2-3 weeks, supplemented by intralesional injections of triamcino…

Histologic Diagnosis of Inflammatory Skin Diseases

Lichen planus-like keratosis

…ratocytes are indistinguishable morphologically from necrotic melanocytes. Some examples of lichen planus-like keratosis may be almost impossible to differentiate histopathologically from lesions of authentic lichen planus. In most instances, howeve…

Differential Diagnosis in Dermatopathology

Lupus erythematosus profundus vs. Panniculitis-like T-cell lymphoma

Papules, nodules, and tumors that, on gross examination, are usually skin colored and, on histopathologic examination, consist of an epithelium-lined sac that contains fluid, cells, or both in the case of true cysts and of cysts that are associated…

Differential Diagnosis in Dermatopathology

Lichen planus vs. Lichen planus-like keratosis

Papules, nodules, and tumors that, on gross examination, are usually skin colored and, on histopathologic examination, consist of an epithelium-lined sac that contains fluid, cells, or both in the case of true cysts and of cysts that are associated…

Differential Diagnosis in Dermatopathology

Pemphigus vulgaris vs. Grover’s disease, pemphigus vulgaris-like

Papules, nodules, and tumors that, on gross examination, are usually skin colored and, on histopathologic examination, consist of an epithelium-lined sac that contains fluid, cells, or both in the case of true cysts and of cysts that are associated…

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