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 mo…

A Clinical Atlas of 101 Common Skin Diseases

Squamous Cell Carcinoma

A malignant neoplasm of keratinocytes that when present as a keratotic macule 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 papule…

Therapeutic Strategies in Dermatology

Seborrheic Dermatitis: Principles of Seborrheic Dermatitis Management

…nfancy and before adolescence is rare (owing to inactivity of sebaceous glands). In contrast, tinea capitis is common in this age group. The presence of various degrees of hair loss is suggestive of tinea capitis. A fungal culture and/or scraping sho…

Therapeutic Strategies in Dermatology

Rosacea: Initial Evaluation

…irregular skin texture, edema, hypertrophy and hyperplasia of sebaceous glands, connective tissue, and vascular bed of the nose (rhinophyma). These changes can also be seen on the chin (gnathophyma), ears (otophyma), forehead (metophyma), and eyelids…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Sebaceous Epithelioma?

…ferentiation are three: sebaceous hyperplasia, sebaceoma, and sebaceous carcinoma. “In degree of differentiation sebaceous epithelioma stands between sebaceous adenoma with its more typical lobules, on the one hand, and cystic basal cell epith…

Histologic Diagnosis of Inflammatory Skin Diseases

Sebaceous Units

…thin, highly vascular zone of periadnexal connective tissue. Sebaceous glands are not innervated by motor nerves. The mite, Demodex folliculorum, is present commonly not only within infundibula, but also within sebaceous ducts of infundibuloapocrine…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Eruptive Vellus Hair Cyst?

…so corneocytes and abundant lipid. Last, eruptive vellus hair cyst is a variant of steatocystoma. Steatocystoma is a hamartoma, the most striking aspect of which is a cyst lined by epithelium just like that of a sebaceous duct, i.e., having a thin ep…

Differential Diagnosis in Dermatopathology

Sebaceous hyperplasia vs. Nevus sebaceus of Jadassohn

A malignant neoplasm of keratinocytes that when present as a keratotic macule 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 papule…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Tricho-, pilo-, folliculo- ?

…s and neoplasms that are termed, in part, pilo-, tricho-, and folliculo-, are named incorrectly. For example, pilar tumor is not a neoplasm of hair, but a follicular cyst with a lining like that of a normal isthmus and of a normal follicle well embar…