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Hu F.,Hunan Provincial Geriatric Hospital
Zhonghua jie he he hu xi za zhi = Zhonghua jiehe he huxi zazhi = Chinese journal of tuberculosis and respiratory diseases | Year: 2013

To improve the understanding of sublingual gland amyloidosis causing obstructive sleep apnea hypopnea syndrome(OSAHS). A case of sublingual gland amyloidosis causing OSAHS diagnosed in april 2012 was reported and the related literatures were reviewed. The literature review was carried out respectively with "amyloidosis, sublingual gland, obstructive sleep apnea hypopnea syndrome", as the search terms in Wanfang Data and PubMed by November 2012. A case of 74 year-old male patient was admitted to the hospital because of snoring for 5 years, sleep apnea for 1 year and arousal for 1 month. After admission, polysomnography showed severe OSAHS, physical examination showed redundant the sublingual gland. Enhanced CT scanning showed soft tissue masses at the sublingual gland. Abdominal B ultrasonic and CT also showed a spaces-occupying lesion in the left retroperitoneal. B-guided core needle biopsy was performed in the left retroperitoneal. Pathology report showed amyloidosis. Subsequently, sublingual gland mass resection was performed. Pathology report after operation showed amyloid deposits staining with Congo red, which gives it a characteristic green birefringence in polarised light. Accordingly, it was diagnosed as sublingual gland amyloidosis. The symptoms of snore and sleep apnea were disappeared after operation.So far, there was no local recurrence with 10 months follow-up. A total of 3 literatures were received in Wanfang Data, including 2 of macroglossia amyloidosis causeing OSAHS case report and one of retrospective study. There were no reports about sublingual gland amyloidosis in Wanfang Data. A total of 5 literatures were received in Pubmed, including 2 of sublingual gland amyloidosis case report, 2 of macroglossia amyloidosis causeing OSAHS case report and one of retrospective study. However, there were no reports about sublingual gland amyloidosis causing OSAHS. Amyloidosis rarely occurred in the sublingual gland and is easy to be misdiagnosed and missed diagnosed, which can causing severe OSAHS. To make a definite diagnosis, histopathology and staining with Congo red are needed and a characteristic green birefringence in polarised light is a reliable marker for diagnosis. After sublingual gland mass resection, the patient had good prognosis. Source

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