Histologic Diagnosis of Inflammatory Skin Diseases

Identification of Basic Patterns: Skin: Perivascular Dermatitis

…amp;B), dermatophytosis (Fig. 5.45 A&B) and Sweet’s syndrome (Fig. 5.46 A&B) (and its sometimes lookalike pyoderma gangrenosum) (Fig. 5.47 A&B), and that expresses itself most often on, or near, volar skin in pernio (which tends to…

Histologic Diagnosis of Inflammatory Skin Diseases

Applicable Terms

…e the zygoma constitute nodular elastoidosis (Favre-Racouchot syndrome). Steroid acne refers to comedones and pustules that are induced by prolonged administration of corticosteroids systemically or by application topically. CRUST [L. crusta (crust)]…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Subcorneal Pustular Dermatosis?

…tiformis; pustular psoriasis in a patient with Reiter’s syndrome* is termed keratoderma blenorrhagicum (the notion of “flow of semen” [blenorrhagicum] derives from the idea that the condition was claimed initially, and incorrectly,…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Discoid Lupus Erythematosus versus Systemic Lupus Erythematosus? II

…with dermatomyositis, systemic sclerosis, and Sj?gren’s syndrome, but not with skin diseases like poikilodermatomyositis, morphea, or discoid lupus erythematosus. Just as dermatomyositis is a disease systemic with manifestations cutaneous (e.g….

Histologic Diagnosis of Inflammatory Skin Diseases

Identification of Basic Patterns: Skin: Vasculitis

…the virus. Changes very early in the course of Sweet’s syndrome may be impossible to distinguish from those of leukocytoclastic vasculitis at an incipient stage of that process, i.e., prior to fibrin being deposited in the wall of venules. Unl…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Anagen Effluvium?

…infiltration of the hair follicles and the rare loose anagen syndrome.” Weedon D. Diseases of cutaneous appendages. In: Weedon D, ed. Skin pathology. New York: Churchill Livingstone, 1997:406–7. “Anagen effluvium is a severe condition,…

Histologic Diagnosis of Inflammatory Skin Diseases

Precepts Adjunctive to the Algorithmic Method

…minds by way of analogy (albeit vaguely) of trytophan-myalgia syndrome, toxic oil syndrome, and Shulman’s syndrome, inflammatory conditions all. Last, if a histopathologist is stymied by particular findings met with in sections of tissue, repre…

Histologic Diagnosis of Inflammatory Skin Diseases

Lymphedema

…ed Variations clinical Congenital lymphedema (Milroy’s syndrome) is pitting edema of legs present since birth; it is hereditary, occurs mostly in females, and is unilateral. Lymphedema praecox is progressive painful swelling of legs consequent…

Histologic Diagnosis of Inflammatory Skin Diseases

Histiocytosis X

…s and Schüller-Christian disease. Am J Dis Child 1940;60:471. Wells GC. The pathology of adult type Letterer-Siwe disease. Clin Exp Dermatol 1979;4:407–12. Writing Group of the Histiocyte Society. Histiocytosis syndromes in children. Lancet 1987;24:2…