PMID: 11915683Mar 28, 2002Paper

Myelinated nerve fibers associated with juxtapapillary haemorrhages

Oftalmologia
M MunteanuS Giuri

Abstract

The myelinated nerve fibers (MNF) are o congenital anomaly characterized by the extension of the myelinisation process anterior from the lamina cribosa. The incidence of myelinated nerve fibers is 0.3-0.6% in patients and 0.54% in eyes from autopsies. Although these represent benign lesion, rarely are associated with retinal abnormalities: vascular abnormality (retinal telangiectasis, cranial-facial lesions, coloboma of the iris, keratoconus, myopia/strabismus, amblyopia). Myelinated nerve fibers asSociated with juxtapapillary haemorrhages was not reported in the available literature. We describe the clinical findings and diagnostic particularities of myelinated retinal nerve fibers associated with juxtapapillary haemorrhages in a personal case. An 40-year-old woman was referred for unilateral papillary abnormalities. The diagnosis was myelinated retinal nerve fibers as white striated patches with feathery edges, associated with two juxtapapillary haemorrhages. The clinical and pathogenic features are discussed. Based on the association between the myelinated nerve fibers, the juxtapapillary haemorrhages there is a possible pathogenic correlation between these elements. The action of the myelinated nerve fibers can be explained...Continue Reading

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