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pityriasis alba
Thesaurus| Noun | 1. | pityriasis alba - common form of pityriasis (usually in children or young adults) characterized by round patches of depigmentationpityriasis - any of several skin disorders characterized by shedding dry flakes of skin |
EncyclopediaSeepityriasispityriasis alba
pityriasis [pit″ĭ-ri´ah-sis] any of various skin diseases characterized by the formation of fine, branny scales.acute lichenoid pityriasis an acute or subacute, sometimes relapsing, widespread macular, papular, or vesicular eruption that tends to crusting, necrosis, and hemorrhage; when it heals it leaves pigmented depressed scars, followed by a new crop of lesions. Progression to the chronic lichenoid form occasionally occurs.pityriasis al´ba a chronic condition with patchy scaling and hypopigmentation of the skin of the face.chronic lichenoid pityriasis a chronic brown to red-brown scaly macular eruption, seen mainly on the trunk, with epidermal changes and a perivascular lymphocytic infiltrate. It may arise independently or happen as a progression of the acute lichenoid form.pityriasis ro´sea a common acute or subacute, self-limited exanthematous disease of unknown etiology. It begins with a solitary red to tan plaque (herald plaque), usually on the trunk, arms, or thighs, which is followed by similar but smaller papular or macular lesions; these later may peel and leave a scaly collarette.pityriasis ru´bra pila´ris a chronic inflammatory skin disease marked by pink scaling macules and cone-shaped horny follicular papules; it usually begins with severe seborrhea of the scalp and face, associated with keratoderma of palms and soles.pityriasis versi´color tinea versicolor.pit·y·ri·a·sis al·'bapatchy hypopigmentation of the skin resulting from mild dermatitis.pi·ty·ri·a·sis al·ba (pit'i-rī'ă-sis al'bă) Patchy hypopigmentation of the skin resulting from mild dermatitis. pityriasis alba A common form of ECZEMA causing pinkish plaques that resolve to leave fine, scaly, pale patches. The condition affects children and adolescents and clears up spontaneously.pityriasis alba
Related to pityriasis alba: pityriasis versicolor, pityriasis roseaWords related to pityriasis albanoun common form of pityriasis (usually in children or young adults) characterized by round patches of depigmentationRelated Words |