Search Results for: folliculo-sebaceous cyst

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A Clinical Atlas of 101 Common Skin Diseases

Cysts and Cystic Hamartomas

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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 with other epithelial elements of adnexa in the case of cystic hamartomas.

A Clinical Atlas of 101 Common Skin Diseases

Sebaceous Gland Hyperplasia

An enlargement of normal pre-existing sebaceous lobules on the face, the forehead, cheeks, and nose in particular, that results in lesions seen clinically to consist of a rim of yellow papules around a central dell that represents a dilated ostium o…

A Clinical Atlas of 101 Common Skin Diseases

Cysts and Cystic Hamartomas

…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 with other epithelial elements of adnexa in the case of cystic hamartomas….

Therapeutic Strategies in Dermatology

Hidradenitis Suppurativa: Key Points

…eas are typically involved. The classic lesions of HS include cysts, nodules, sinus tracts, and inflamed abscesses. In rare cases, lesions of pyoderma gangrenosum can occur concurrently within areas of HS or at distant sites. Hidradenitis suppurativa…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Epidermal Cyst and Epidermoid Cyst?

“Epidermoid cyst. Synonym: Sebaceous cyst, steatoma, epithelial cyst. Definition: A cyst containing keratin and its breakdown products, surrounded by an epidermoid wall.” Mackie RM. Epidermal skin tumors. In: Champion RH, Burton JL, Ebl…

Differential Diagnosis in Dermatopathology

Infundibulo-folliculo-sebaceous cystic hamartoma vs. Steatocystoma

…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 with other epithelial elements of adnexa in the case of cystic hamartomas….

Differential Diagnosis in Dermatopathology

Infundibular cyst vs. Isthmus-catagen cyst

…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 with other epithelial elements of adnexa in the case of cystic hamartomas….

Therapeutic Strategies in Dermatology

Seborrheic Dermatitis: Key Points

…atitis is a chronic intermittent rash affecting areas rich in sebaceous glands, and is marked by an erythematous papular or macular eruption often with greasy yellow scale, sometimes accompanied by pruritus. It can be limited to the scalp (a.k.a. dan…

Therapeutic Strategies in Dermatology

Seborrheic Dermatitis: Initial Evaluation

…pical treatment. Pathogenesis The three possible etiologic factors are the yeasts (Malassezia fungi/ Pityrosporum ovale), sebaceous secretions and individual sensitivity, but the exact interrelationship between them is still a matter of controversy….

Therapeutic Strategies in Dermatology

Appendigeal Tumors: Overview

…from the cutaneous adnexa (hair follicles, sweat glands, and sebaceous glands). Treatment First Steps A biopsy is usually necessary to establish the diagnosis, except for syringomas. Surgical or laser therapy is the only available alternative in mos…

Therapeutic Strategies in Dermatology

Rosacea: Key Points

…h, have facial erythema, telangectasia, papules and pustules, sebaceous hyperplasia of the nose (rhinophyma), and/or ocular symptoms. Triggers for flushing include alcohol, sun exposure, hot weather, exercise, ingestion of hot or spicy foods/ drink o…

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