Category: Diseases

In the immunocompromised host, HSV is capable of causing local infection, characterized by extensive local involvement (e.g., eczema herpeticum) or chronic herpetic ulcers, or widespread systemic infection, characterized by widespread

Herpes simplex virus (HSV) infection, whether primary or recurrent, may “typically” present clinically with grouped vesicles arising on an erythematous base on keratinized skin or mucous membrane. Many HSV infections

Genital herpes (GH) is a chronic sexually transmitted viral infection, characterized by asymptomatic viral shedding. In most cases, both primary infection and recurrences are asymptomatic. When symptomatic, primary GH may

Herpes gestationis (HG)¹ is a pruritic polymorphic inflammatory dermatosis of pregnancy and the postpartum period. It is an autoimmune process with circulating complement-fixing IgG antibodies in the serum. It creates

Hand-foot-and-mouth disease (HFMD) is a systemic infection caused by coxsackievirus A16, characterized by ulcerative oral lesions and a vesicular exanthem on the distal extremities in association with mild constitutional symptoms.

Livedo reticularis (LR) is a mottled bluish (livid) discoloration of the skin that occurs in a netlike pattern. It is not a diagnosis in itself but a reaction pattern. It

Graft-versus-host disease (GVHD) is an immune disorder caused by the reaction of histoincompatible, immunocompetent donor cells against the tissues of an immunoincompetent host (graft-versus-host reaction, GVHR), characterized by acute cutaneous

Glucagonoma syndrome is a rare but well-described clinical entity caused by excessive production of glucagon in an α cell tumor of the pancreas, characterized by superficial migratory necrolytic erythema (MNE)

Giant cell arteritis is a systemic granulomatous vasculitis of medium- and large-sized arteries, most notably the temporal artery and other branches of the carotid artery, characterized by headaches, fatigue, fever,

Candidiasis, also known as a “yeast infection” or VVC, is a common fungal infection that occurs when there is overgrowth of the fungus called Candida Genital candidiasis is a Candida