منابع مشابه
Dermoscopic and reflectance confocal microscopic features of exogenous ochronosis.
BACKGROUND Exogenous ochronosis presents as an acquired asymptomatic hyperpigmentation on photoexposed areas, predominantly over bony prominences, and is caused by the topical application of several skin-lightening agents. OBSERVATIONS We describe a 63-year-old Hispanic woman who developed exogenous ochronosis lesions on her face after using topical bleaching creams containing hydroquinone, 2...
متن کاملUse of dermoscopy for diagnosis of exogenous ochronosis.
Exogenous ochronosis consists of chronic hyperpigmentation of areas previously treated with topical agents such as hydroquinone, resorcinol, antimalarials and phenol. Early diagnosis allows to promptly suspend the causative agent and it is imperative since the available therapeutic options are scarce and have presented so far unsatisfactory results. Three cases of exogenous ochronosis on the fa...
متن کاملExogenous ochronosis hydroquinone induced: a report of four cases.
Exogenous ochronosis is an infrequent dermatosis characterized as a dark blue hyperpigmentation localized where the causing agent was applied. It may be caused by the use of systemic medication such as antimalarials and by the use of topic substances such as phenol, resorcinol, benzene, or hydroquinone, which is a fenolic compound with depigmentation action, largely used in the treatment of mel...
متن کاملAlkaptonuric Ochronosis.
Alkaptonuria is an autosomal recessive metabolic disorder characterized by joints and spine involvement, ochronosis and presence of homogentisic acid in urine and its deposition in cartilage, intervertebral disc and other connective tissues, leading to disabling arthritis in elderly individual.
متن کاملTreatment of exogenous ochronosis with a Q-switched alexandrite (755 nm) laser.
BACKGROUND Exogenous ochronosis is a cutaneous disorder characterized by blue-black or slate-gray hyperpigmentation resulting from the prolonged use of certain topical agents, most commonly hydroquinones. It is notoriously difficult to treat. OBJECTIVE To report the effectiveness of a quality-switched (QS) 755-nm alexandrite laser in treating hydroquinone-induced exogenous ochronosis. METHO...
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ژورنال
عنوان ژورنال: Indian Journal of Dermatology
سال: 2015
ISSN: 0019-5154
DOI: 10.4103/0019-5154.169122