The isolated idiopathic finger flexor tenosynovitis is a rare condition, related to diversed etiologies. The traditional treatment of flexor tenosynovitis includes medications and injection of steroids. If the conservative treatment is not effective, surgical management is usually recommended. And alcohol installations have been rarely performed. We are reporting an extremely rare case of a 56-year-old man who had chronic idiopathic isolated finger flexor tenosynovitis which was treated through alcohol injections. The patient had not yet been treated despite of medication and serial injections of steroid. We performed 1 mL of 50% ethanol injection for the initial treatment and the second injection was done in the same way 10 months later due to the improvements of the patient's clinical symptoms and images of the follow-up ultrasonography. As a result, the authors suggest alcohol installation as an alternative non-surgical treatment for flexor tenosynovitis when other conservative managements are not effective enough.
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机译：孤立的特发性手指屈肌腱鞘炎是一种罕见病，与多种病因有关。屈肌腱鞘炎的传统治疗方法包括药物治疗和类固醇注射。如果保守治疗无效，通常建议手术治疗。很少进行酒精安装。我们报道了一个非常罕见的病例，该患者是一名56岁的男性，患有慢性特发性孤立性手指屈肌腱鞘炎，可通过注射酒精来治疗。尽管已接受药物治疗和连续注射类固醇，但该患者尚未得到治疗。由于患者的临床症状和超声影像学的改善，我们在初始治疗中进行了1 mL 50％乙醇注射，而第二次注射在10个月后以相同的方式进行。因此，作者建议在其他保守治疗不够有效的情况下，安装酒精作为屈肌腱鞘炎的替代性非手术治疗。
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