Month: August 2018

This hereditary metabolic disorder of porphyrin metabolism is unique among the porphyrias in that porphyrins or porphyrin precursors are not excreted in the urine. Also, erythropoietic protoporphyria (EPP) is characterized

Erythrasma (Greek: “red spot”) is a chronic bacterial infection caused by Corynebacterium minutissimum affecting the intertriginous areas of the toes, groins, and axillae, which mimics epidermal dermatophyte infections. Causes of

Erythema (air-uh-THEE-ma) infectiosum (in-fek-tee-OH-sum), also called Fifth disease, is an infection that mostly occurs in children. Erythema infectiosum (EI) is a childhood exanthem occurring with primary parvovirus B19 infection, characterized

Erysipelas and cellulitis are acute, spreading infections of dermal and subcutaneous tissues, characterized by a red, hot, tender area of skin, often at the site of bacterial entry, caused most

There are several variants of eosinophilic folliculitis, which is also known as ‘eosinophilic pustular folliculitis’ or ‘Ofuji disease’. The name is due to skin biopsy finding of eosinophils (a type

Drug-induced alterations in pigmentation are relatively common, resulting from a variety of endogenous and exogenous pigments, and can be of significant cosmetic concern to the patient. Causes of Drug-Induced Pigmentation

Drug-induced urticaria and angioedema occur due to a variety of mechanisms and are characterized clinically by transient wheals and larger edematous areas that involve the dermis and subcutaneous tissue (angioedema).

Hypersensitivity syndrome is an idiosyncratic adverse drug reaction that begins acutely in the first 2 months after initiation of drug and is characterized by fever, severe disease with characteristic infiltrated

Donovanosis is a mildly contagious, chronic, indolent, progressive, autoinoculable, ulcerative disease involving the skin and lymphatics of the genital and perianal areas. Causes of Donovanosis Poorly understood. Mildly contagious. Repeated

Disseminated intravascular coagulation (DIC) is a widespread blood clotting disorder occurring within blood vessels, associated with a wide range of clinical circumstances (bacterial sepsis, obstetric complications, disseminated malignancy, massive trauma),