顔面神経麻痺部位診断への67Gaシンチグラムの応用経験

概要

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A new test of the lacrimal gland function is being developed bases on the observed accumulation of 67Ga radioisotope in the lacrimal gland. Twenty-one patients with peripheral facial palsy have been examined by this method.In normal subjects, gallium accumulates at the same rate in both lacrimal glands. However, in almost all the patients with facial palsy, accumulation is higher on the affected side.Patients were examined scintigraphically at different stages following the onset of the disease. Gallium accumulation in the affected gland was lower in patients at more advanced stages of recovery.Patients examined 1 week after onset showed a higher accumulation rate on the affected side. The highest accumulation was observed in patients examined 2 weeks to 2 months after onset. In patients examined 2 months to one year after onset (i. e., those in the most advanced stages of recovery), gallium accumulation declined.
耳鼻咽喉科臨床学会の論文