Abstract
Objectives The usefulness of BG as a marker has been reported in patients with pulmonary aspergillosis. However, no data have demonstrated the behavior of BG in sino-orbital IA. We encountered a case of sino-orbital IA and demonstrated changes in the BG level, radiological images, and pathological features. Method and results A 63-year-old Japanese woman suffered from invasive sino-orbital aspergillosis. The serum BG level measured immediately before surgery was 37.2 pg/mL (normal value <3.4 pg/mL). Endoscopic sinus surgery revealed some necrotic tissue extending from the ethmoid sinus to the orbit. The infiltrating Aspergillus was revealed in the pathological examination. The BG level decreased to the normal value. However, CT revealed a high-density area; this may indicate that an aspergillosis lesion remained slightly in the orbit. Conclusion (1→3)-β- d-Glucan (BG) is a useful marker for diagnosing Aspergillus and evaluating the therapeutic effect of the treatment administered.
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