April 2011
Volume 52, Issue 14
Free
ARVO Annual Meeting Abstract  |   April 2011
Mycobacterium Avium Complex Orbital Tumor: Case Report
Author Affiliations & Notes
  • Linda Guakil
    OPHTHALMOLOGY SERVICE,
    HOSPITAL GENERAL DR MANUEL GEA GONZALEZ, DISTRITO FEDERAL, Mexico
  • Ruben D. Lopez-Oliver
    OPHTHALMOLOGY SERVICE,
    HOSPITAL GENERAL DR MANUEL GEA GONZALEZ, DISTRITO FEDERAL, Mexico
    Pathology, ASOCIACION PARA EVITAR LA CEGUERA EN MEXICO, Distrito federal, Mexico
  • Rafael A. Bueno-Garcia
    OPHTHALMOLOGY SERVICE,
    HOSPITAL GENERAL DR MANUEL GEA GONZALEZ, DISTRITO FEDERAL, Mexico
  • Rafael Valdez
    INFECTION DISEASE DEPARTMENT,
    HOSPITAL GENERAL DR MANUEL GEA GONZALEZ, DISTRITO FEDERAL, Mexico
  • Abelardo Rodriguez
    Pathology, ASOCIACION PARA EVITAR LA CEGUERA EN MEXICO, Distrito federal, Mexico
  • Footnotes
    Commercial Relationships  Linda Guakil, None; Ruben D. Lopez-Oliver, None; Rafael A. Bueno-Garcia, None; Rafael Valdez, None; Abelardo Rodriguez, None
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science April 2011, Vol.52, 721. doi:
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    • Get Citation

      Linda Guakil, Ruben D. Lopez-Oliver, Rafael A. Bueno-Garcia, Rafael Valdez, Abelardo Rodriguez; Mycobacterium Avium Complex Orbital Tumor: Case Report. Invest. Ophthalmol. Vis. Sci. 2011;52(14):721.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose: : To present a clinical case of a male Mexican patient, 49 years old, tobacco grower, with lung tuberculosis antecedent, and orbital tumor due to Mycobacterium Avium Complex

Methods: : We performed in this patient a complete Opthalmologic exploration, CT scan, MRI, Histopathologic examination.

Results: : CT scan and MRI confirmed intraorbital tumor. The histological examination showed data of granulomatous disease, without caseous necrosis, and negative Ziehl Neelsen staining, which discards Mycobacterium Tuberculosis.It was managed with rifampicin 600 mg once a day, ethambutol 400 mg TID and clarithromycin 500 mg BID. The tumor decreased after 6 weeks treatment.

Conclusions: : There is no case reports of orbital involvement due to Micobacterium Avium Complex in the literature. Initialy it was thought that the cause of the tumor was due to Mycobacterium Tuberculosis (wich presents ocular involvement in less than 20% of cases). It is also rare that the patient presented with this diagnosis because he is HIV negative. He showed improvement with management for Mycobacterium Avium Complex whithin 6 weeks of treatment, although the treatment duration is 8 months.

Keywords: orbit • tumors • inflammation 
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