Category: Diseases

Blastomycosis is a chronic systemic mycosis characterized by primary pulmonary infection, which in some cases is followed by hematogenous dissemination to skin and other organs. The fungus is endemic to

Nongenital HSV infection, whether primary or recurrent, is often asymptomatic. Lesions may present as group vesicles on an erythematous base, or as a recurrent erythematous plaque ±erosions. Causes of Nongenital

Synonym: Bazin’s Disease, Erythema Induratum Nodular Vasculitis is a form of lobular panniculitis associated with subcutaneous blood vessel vasculitis with subsequent ischemic changes that produce lipocyte injury, necrosis, inflammation, and

Nodular melanoma (NM) is second in frequency (14%) after superficial spreading melanoma (SSM) in most series, occurring largely in middle life in persons with white skin and, as in SSM,

Neurofibromatosis (NF) is an autosomal dominant trait manifested by changes in the skin, nervous system, bones, and endocrine glands. These changes include a variety of congenital abnormalities, tumors, and hamartomas.

Approximately 600,000 new infections with Neisseria gonorrhoeae occur each year. Most infections among men produce symptoms that cause them to seek curative treatment soon enough to prevent serious sequelae-but this

Necrobiosis lipoidica (NL) is a cutaneous disorder often, but not always, associated with diabetes mellitus. The lesions are distinctive, sharply circumscribed, multicolored plaques occurring on the anterior and lateral surfaces