Munk, Marion; Jampol, LM; Cunha Souza, E; de Andrade, GC; Esmaili, DD; Sarraf, D; Fawzi, A (2016). New associations of classic acute macular neuroretinopathy. British journal of ophthalmology, 100(3), pp. 389-394. BMJ Publishing Group 10.1136/bjophthalmol-2015-306845
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PURPOSE:
To describe novel underlying associations of classic acute macular neuroretinopathy (AMN).
METHODS:
Multimodal imaging case series evaluating patients with classic AMN lesions and previously unreported underlying aetiologies.
RESULTS:
Six patients were included (five women, one man, mean age 30±7 years). Mean distance best corrected visual acuity at initial presentation was 0.21±0.3 logMAR (mean Snellen acuity: 20/30, range 20/15-20/100) and at last follow-up visit 0.09±0.17 logMAR (Snellen acuity: 20/20, range 20/15-20/60). All cases but one had bilateral lesions and showed typical parafoveal hyporeflective lesions on infrared imaging, which corresponded to the hyper-reflectivity in the Henle's layer with attenuation of the external limiting membrane, the ellipsoid zone and interdigitation zone. Underlying diseases included thrombocytopenia and anaemia associated with dengue fever, acute lymphoblastic leukaemia, chronic kidney disease and ulcerative colitis, while Valsalva-like manoeuvre was found to be a potential trigger. Other novel associations included the use of lisdexamphetamine.
CONCLUSIONS:
Classic AMN may be associated with leukaemia, dengue fever, ulcerative colitis and chronic kidney disease, probably as a result of chorioretinal hypoxia in the setting of thrombocytopenia and anaemia. Adrenergic agonists such as lisdexamphetamine may also contribute to the manifestation of AMN.
Item Type: |
Journal Article (Original Article) |
|---|---|
Division/Institute: |
04 Faculty of Medicine > Department of Head Organs and Neurology (DKNS) > Clinic of Ophthalmology |
UniBE Contributor: |
Munk, Marion |
Subjects: |
600 Technology > 610 Medicine & health |
ISSN: |
0007-1161 |
Publisher: |
BMJ Publishing Group |
Language: |
English |
Submitter: |
Marion Munk |
Date Deposited: |
11 May 2016 12:36 |
Last Modified: |
05 Dec 2022 14:54 |
Publisher DOI: |
10.1136/bjophthalmol-2015-306845 |
PubMed ID: |
26294104 |
BORIS DOI: |
10.7892/boris.79951 |
URI: |
https://boris.unibe.ch/id/eprint/79951 |
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