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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

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

Rosacea: Subtypes of Rosacea and Their Treatment

Subtypes of Rosacea and Their Treatment Erythemato-telangiectatic (E-T) subtype: Characterized by diffuse erythema and telangiectasias on the cheeks, forehead, dorsal nose, or entire face. Patients often complain of intolerance or sensitivity to to…

Therapeutic Strategies in Dermatology

Vitiligo: Clinical Cases

Clinical Cases Case 1 5-year-old boy Four month history of an enlarging depigmented patch on right lower cutaneous lip and chin Otherwise healthy Family history notable for mother with autoimmune thyroiditis Initial evaluation Wood’s lam…

Therapeutic Strategies in Dermatology

Keratosis Pilaris: Key Points

…atch. On biopsy, these lesions are characterized by keratinous follicular plugging with orthohyperkeratosis to create a follicular spicule. Typical sites of involvement include facial cheeks, upper posterior arms, lateral thighs, and buttocks, and in…

Therapeutic Strategies in Dermatology

Alopecia: Key Points

Key Points Alopecia, or hair loss, has a broad spectrum of causes. In order to appropriately treat alopecia, the type of hair loss or pathophysiology must be clearly identified. The evaluation for hair loss requires a very thorough history and phys…

A Clinical Atlas of 101 Common Skin Diseases

Alopecias

Loss of hair attributable either to the effects of inflammatory cells on follicles or to physiological or mechanical factors in which inflammatory cells play no role. Although the scalp is the site most often affected, any region of the skin that be…

Therapeutic Strategies in Dermatology

Hidradenitis Suppurativa: Key Points

Key Points Hidradenitis suppurativa (HS) is a chronic inflammatory process affecting skin bearing apocrine glands; the groin, axillae, and inframammary areas are typically involved. The classic lesions of HS include cysts, nodules, sinus tracts, an…

Histologic Diagnosis of Inflammatory Skin Diseases

Sebaceous Units

…present commonly not only within infundibula, but also within sebaceous ducts of infundibuloapocrine-sebaceous-follicular units positioned on the face. That organism is a normal inhabitant of those sites. Study of sebaceous glands by electron micros…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Follicular Degeneration Syndrome?

…nd histopathologic seem to exist between hot comb alopecia and follicular degeneration syndrome. The supposed differences are listed in the table that follows: HOT-COMB ALOPECIA FOLLICULAR DEGENERATION SYNDROME Affects black women only Affec…

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