Month: August 2018

Raynaud’s phenomenon (RP) is digital ischemia that occurs on exposure to cold and/or as a result of emotional stress. The various causes of RP include rheumatic disorders [systemic scleroderma (85%),

Radiation dermatitis is defined as skin changes resulting from exposure to ionizing radiation. There are reversible effects, i.e., erythema, epilation, suppression of sebaceous glands, and pigmentation that lasts for weeks

Candidiasis of the oropharyngeal mucosa (OPC) occurs with minor variations of host factors as antibiotic therapy, glucocorticoid therapy (topical or systemic), age (very young, very old) as well as with

Oral hairy leukoplakia (OHL) is a benign, virally induced hyperplasia of the oral mucosa, most commonly of the inferolateral surface of the tongue, characterized by white, corrugated, verrucous plaques, occurring

Onychomycosis is a chronic progressive infection of the nail apparatus, caused by dermatophytes most commonly, and less often by Candida sp. and molds. Tinea unguium refers to onychomycosis caused by

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.