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[Case of traumatic chiasmal syndrome].

Abstract

BACKGROUND

Traumatic neuropathy of the optic chiasm is a rare finding which occurs after severe blunt head trauma. It is often accompanied by dysfunction of the pituitary gland and hypothalamus and called traumatic chiasmal syndrome. We report a patient with traumatic chiasmal syndrome caused by a severe traffic accident.

CASE

A 25 year-old woman was referred for bitemporal visual field defects caused by a traffic accident two months before. Corrected visual acuity was 0.05 in the right eye and 1.2 in the left eye. Bilateral optic atrophy and relative afferent pupillary defect in the right eye were found. Magnetic resonance imaging revealed an enlarged optic chiasm. Computed tomography disclosed many fractures in the skull including the back wall of the sphenoid sinuses. She also suffered from diabetes insipidus and anosmia.

CONCLUSION

Traumatic optic neuropathy of the optic chiasm is a rare condition which can be differentiated from neuropathy in the optic canal by considering the patterns of visual field defects and their accompanying signs.

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  • Authors+Show Affiliations

    ,

    Department of Ophthalmology, Tokyo Women's University of Medicine, Japan.

    , ,

    Source

    Nippon Ganka Gakkai zasshi 114:6 2010 Jun pg 534-8

    MeSH

    Accidents, Traffic
    Adult
    Craniocerebral Trauma
    Diagnosis, Differential
    Female
    Head Injuries, Closed
    Humans
    Magnetic Resonance Imaging
    Optic Chiasm
    Optic Nerve Diseases
    Skull Fractures
    Syndrome
    Tomography, X-Ray Computed
    Visual Fields

    Pub Type(s)

    Case Reports
    English Abstract
    Journal Article

    Language

    jpn

    PubMed ID

    20593659

    Citation

    Ui, Eri, et al. "[Case of Traumatic Chiasmal Syndrome]." Nippon Ganka Gakkai Zasshi, vol. 114, no. 6, 2010, pp. 534-8.
    Ui E, Oohira A, Kawahara Y, et al. [Case of traumatic chiasmal syndrome]. Nippon Ganka Gakkai Zasshi. 2010;114(6):534-8.
    Ui, E., Oohira, A., Kawahara, Y., & Hori, S. (2010). [Case of traumatic chiasmal syndrome]. Nippon Ganka Gakkai Zasshi, 114(6), pp. 534-8.
    Ui E, et al. [Case of Traumatic Chiasmal Syndrome]. Nippon Ganka Gakkai Zasshi. 2010;114(6):534-8. PubMed PMID: 20593659.
    * Article titles in AMA citation format should be in sentence-case
    TY - JOUR T1 - [Case of traumatic chiasmal syndrome]. AU - Ui,Eri, AU - Oohira,Akihiko, AU - Kawahara,Yohko, AU - Hori,Sadao, PY - 2010/7/3/entrez PY - 2010/7/3/pubmed PY - 2010/8/6/medline SP - 534 EP - 8 JF - Nippon Ganka Gakkai zasshi JO - Nippon Ganka Gakkai Zasshi VL - 114 IS - 6 N2 - BACKGROUND: Traumatic neuropathy of the optic chiasm is a rare finding which occurs after severe blunt head trauma. It is often accompanied by dysfunction of the pituitary gland and hypothalamus and called traumatic chiasmal syndrome. We report a patient with traumatic chiasmal syndrome caused by a severe traffic accident. CASE: A 25 year-old woman was referred for bitemporal visual field defects caused by a traffic accident two months before. Corrected visual acuity was 0.05 in the right eye and 1.2 in the left eye. Bilateral optic atrophy and relative afferent pupillary defect in the right eye were found. Magnetic resonance imaging revealed an enlarged optic chiasm. Computed tomography disclosed many fractures in the skull including the back wall of the sphenoid sinuses. She also suffered from diabetes insipidus and anosmia. CONCLUSION: Traumatic optic neuropathy of the optic chiasm is a rare condition which can be differentiated from neuropathy in the optic canal by considering the patterns of visual field defects and their accompanying signs. SN - 0029-0203 UR - https://www.unboundmedicine.com/medline/citation/20593659/[Case_of_traumatic_chiasmal_syndrome]_ L2 - http://www.medicalonline.jp/meteo_linkout.php?issn=0029-0203&volume=114&issue=6&spage=534 DB - PRIME DP - Unbound Medicine ER -