title: The dark choroid in systemic argyrosis.
abstract: Argyrosis is a cutaneous discoloration caused by silver. Ocular involvement, including conjunctival and corneal discoloration, has been previously reported. To our knowledge, a retinal involvement was never reported and no data is available about fluorescein angiography patterns of patients with argyrosis. Fluorescein angiography was performed in six consecutive patients with iatrogenic systemic argyrosis. A dark choroid was observed in each case. Red light monochromatic pictures disclosed a leopard spot pattern on the fundus, which was more clearly revealed in one patient by infrared light pictures. These findings suggest that the silver deposit in Bruch's membrane may be responsible for the obscuration of choroidal fluorescence during dye transit and for the visualization of choriocapillary units in pictures using long-wavelength light. The dark choroid is not only present in central retinal dystrophies, but may be observed in other conditions, such as systemic argyrosis.
authors.affiliation: Department of Ophthalmology, University of Paris XII-Creteil, France.
authors.forename: S Y
authors.initials: SY
authors.lastname: Cohen
authors.forename: G
authors.initials: G
authors.lastname: Quentel
authors.forename: D
authors.initials: D
authors.lastname: Egasse
authors.forename: M
authors.initials: M
authors.lastname: Cadot
authors.forename: I
authors.initials: I
authors.lastname: Ingster-Moati
authors.forename: G J
authors.initials: GJ
authors.lastname: Coscas
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D001129:Argyria / Q000209:etiology / Q000473:pathology*; D016570:Bruch Membrane / Q000473:pathology; D015862:Choroid Diseases / Q000139:chemically induced / Q000473:pathology*; D005260:Female; D005451:Fluorescein Angiography; D005654:Fundus Oculi; D006801:Humans; D008297:Male; D008875:Middle Aged; D018030:Silver Compounds / Q000009:adverse effects* / Q000627:therapeutic use
chemical_list: D018030:Silver Compounds