Théa Pharma
Ophthalmologie - Papilla
 
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Melanocytoma of the ONH

Melanocytoma of the optic nerve head (ONH) appears as a deeply pigmented tumor that occult part of the optic disc. Zimmerman and Garron demonstrated in 1962 this tumor as benign. Melanocytoma of the ONH is a stationary condition and rarely produces ocular complications.

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Arteritic ischemic anterior optic neuropathy

Typical appearance of the optic nerve head (ONH) 2 days after an arteritic anterior ischaemic optic neuropathy (AION). Note pale coloration of the blurred, light elevated papille with congestionated ONH vessels. The AION represents an acute ischaemic disorder with sudden interruption of the blood flow of the posterior ciliary arteries (PCA). Clinically there are two types of AION: The first due to a giant cell arteritis (arteritic AION) and the second the non-arteritic AION. The arteritic AION is not only an ocular emergency which requires immediate treatment with systemic corticosteroids to prevent further visual loss but a systemic inflammatory disease which possible affectation of the other eye and indeed intracranial vessels. Velocity of sedimentation was pathologically elevated as well as the histology of the temporal artery revealed a giant cell infiltration of the vessels wall. (From A. Hafner, University of Erlangen-Nürnberg

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Augenklinik der Universität Erlangen-Nürnberg, Germany
Erstellt von A. Bergua MD
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