Klinische Monatsblatter fur Augenheilkunde · 2004
[Heterochromia of the Iris after t-PA and Gas Injection of Sulfur Fluoride].
Клинический случайАннотация на английскомСтатьяНазвание и аннотация: Перевод в очереди
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Hoffmann Esther M, Schwenn Oliver
Аннотация
BACKGROUND: Are changes in iris colour and retinal pigment epithelium after t-PA and gas injection and subsequent vitreous haemorrhage caused by blood cells, or is this a toxic effect?
CASE: A 81-year old female presented for vitrectomy with a persistent vitreous haemorrhage two months after t-PA and gas injection because of subretinal macular haemorrhage. Sonographic control revealed attached retina. The examination disclosed a new heterochromia of the iris with a change from blue to green-brown. A discrete anterior chamber flare and blood cells were found. Subsequent vitrectomy revealed a thick, rubber-like haemorrhage in the vitreous with suspect pigmentation. A change in retinal pigmentation was also evident.
CONCLUSION: The cause for the heterochromia and the change in pigmentation of the retinal pigment epithelium remained unclear. It may have been a consequence of the persistent bleeding with iron apposition on the iris. A toxic effect of t-PA has to be discussed which led to the alteration in pigmentation.
CASE: A 81-year old female presented for vitrectomy with a persistent vitreous haemorrhage two months after t-PA and gas injection because of subretinal macular haemorrhage. Sonographic control revealed attached retina. The examination disclosed a new heterochromia of the iris with a change from blue to green-brown. A discrete anterior chamber flare and blood cells were found. Subsequent vitrectomy revealed a thick, rubber-like haemorrhage in the vitreous with suspect pigmentation. A change in retinal pigmentation was also evident.
CONCLUSION: The cause for the heterochromia and the change in pigmentation of the retinal pigment epithelium remained unclear. It may have been a consequence of the persistent bleeding with iron apposition on the iris. A toxic effect of t-PA has to be discussed which led to the alteration in pigmentation.