Category: Diseases

There are currently over twenty different types of Ichthyosis. It is a skin condition that causes dry, tough, cracked, and rough skin. This condition can give skin the appearance of

Hypertrophic scars and keloids are exuberant fibrous repair tissues after a cutaneous injury. A hypertrophic scar remains confined to the site of original injury; a keloid, however, extends beyond this

Hypersensitivity vasculitis (HV) encompasses a heterogeneous group of vasculitides associated with hypersensitivity to antigens from infectious agents, drugs, or other exogenous or endogenous sources, characterized pathologically by involvement of postcapillary

Certain human papillomavirus (HPV) types commonly infect keratinized skin. Cutaneous warts are a discrete benign epithelial hyperplasia with varying degrees of surface hyperkeratosis manifested as minute papules to large plaques;

Human papillomavirus (HPV) infection of the anogenital epithelium can result in a spectrum of changes referred to as squamous intraepithelial lesions (SILs), ranging from mild dysplasia to squamous cell carcinoma

Mucosal human papillomavirus (HPV) infections are the most common sexually transmitted disease (STD). When clinically symptomatic, lesions are barely visible papules to nodules to confluent masses occurring on anogenital or

HIV-associated lipodystrophy syndrome occurs in individuals treated with antiretroviral drugs (usually a protease inhibitor), and is characterized by cosmetically disfiguring lipohypertrophy in the dorsocervical fat pad (buffalo hump), circumferentially around

Histoplasmosis (say: hiss-toe-plaz-mo-sis) is an infection in your lungs caused by a fungus. Histoplasmosis is a common systemic mycosis with a primary pulmonary infection but with uncommon hematogenous dissemination, characterized

Hirsutism is excessive hair growth in androgen-dependent hair patterns (i.e., face, chest, areolae, linea alba, lower back, buttocks, inner thighs, and external genitalia) secondary to increased androgenic activity. Causes of

Herpes zoster (HZ) is an acute dermatomal infection associated with reactivation of varicella-zoster (VZV) and is characterized by unilateral pain and a vesicular or bullous eruption limited to a dermatome(s)