Schamberg's Progressive Pigmentary Dermatosis
نویسندگان
چکیده
منابع مشابه
Chronic progressive external ophthalmoplegia and pigmentary degeneration of the retina.
The rare association of external ophthalmoplegia and ptosis with pigmentary degeneration of the retina was first described by Barnard and Scholz (I954) in a report of four cases. The subsequent literature was reviewed by Davidson (i960), 'who found that only eighteen cases had been described, and added one further case. Within this series he was able to define a relatively homogenous group of t...
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Many factors have been implicated for the etiology of melasma, but the exact cause of this hypermelanosis is poorly understood. However, it is considered to result from solar radiation and genetic predisposition. Moreover, pregnancy, oral contraception and hormone replacement therapy with natural and synthetic oestrogens, have been involved in the pathogenesis of this hypemelanosis. Despite the...
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Thioridazine toxicity has been described as a 'progressive chorioretinopathy', but this designation can be misleading. During the first year after thioridazine exposure retinal pigmentation evolves from a granular to a patchy or nummular appearance. However, visual function and the electroretinogram typically improve during this period. Some cases may show chorioretinal atrophy and functional l...
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A long-term study of primary pigmentary dispersion has shown that the condition is commoner in males than females and appears most frequently in the third decade. After 10 years there may be a significant reduction in the amount of pigment deposited on the cornea, and the condition of several patients receiving treatment for glaucoma has remained under control when treatment has been stopped.
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ژورنال
عنوان ژورنال: Proceedings of the Royal Society of Medicine
سال: 1938
ISSN: 0035-9157
DOI: 10.1177/003591573803101203