pemphigus /pem·phi·gus/ (-gus)
1. a distinctive group of diseases marked by successive crops of bullae.
benign familial pemphigus a hereditary, recurrent vesiculobullous dermatitis, usually involving the axillae, groin, and neck, with crops of lesions that regress over several weeks or months.
pemphigus erythemato´sus a chronic form in which the lesions, limited to the face and chest, resemble those of disseminated lupus erythematosus.
pemphigus folia´ceus a chronic, generalized, vesicular and scaling eruption somewhat resembling dermatitis herpetiformis or, later in its course, exfoliative dermatitis.
pemphigus ve´getans a variant of pemphigus vulgaris in which the bullae are replaced by verrucoid hypertrophic vegetative masses.
pemphigus vulga´ris a rare relapsing disease with suprabasal, intraepidermal bullae of the skin and mucous membranes; invariably fatal if untreated.
pemphigus fo·li·a·ce·us (f  l -  sh- s, -s-s)n. Chronic pemphigus in which extensive scaling dermatitis, with no perceptible blistering, may be present in addition to the bullae. |
pemphigus
[Gr.] pemphix (blister); a group of immune-mediated diseases of the skin and mucous membranes characterized by vesicles, bullae, erosions and ulcerations; occurs in dogs, cats and horses.
pemphigus erythematosus
a form with features of both pemphigus foliaceus and lupus erythematosus; occurs in dogs and cats. There are erythematous, pustular lesions, mainly on the nose, periorbital skin and pinnae, and hypopigmentation of the planum nasale.
pemphigus foliaceus
a generalized, exfoliative, scaling disease sometimes with the formation of heavy crusts, marked hyperkeratosis of footpads, and involvement of the nail beds that may lead to loss of the nails. Occurs in dogs, cats, horses and goats.
pemphigus vegetans
a benign variant of pemphigus vulgaris, occurring only rarely in animals, in which the bullae are replaced by verrucoid hypertrophic vegetative masses.
pemphigus vulgaris
consists of shallow ulcerations with a generalized distribution and frequently involving the mucocutaneous junctions and oral mucosa.
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