Ocular Tuberculosis – OTB
流病:
未開發國家:結核疫區
開發中國家:都市內貧民區
近來報告以children居多
好發: HIV, immune compromised
傳佈:
hematogenous route from pulmonary focus (多)
tuberculous sinusitis (少)
症狀: Proptosis, motility dysfunction, bone destruction, chronic draining fistula.
「單側」發病居多!
容易與orbital malignancy混淆
誤診為Pseudotumor而用corticosteroids可能加重病程
Diagnosis:
Skin test, FNAB with culture early for diagnosis.
Acid-fast bacilli from pathological sepcimens(困難)
病理: Chronic inflammatory process: periositits (Cold Abscess)
caseating necrosis, epitheloid cells, Langhans giant cells.
治療: Antituberculous medical therapy.