臨床神経学

第48回日本神経学会総会

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手根管症候群と肘部管症候群―病体,診断,治療―

平田 仁

名古屋大学大学院医学系研究科運動形態外科学手の外科〔〒466-8550 名古屋市昭和区鶴舞町65 名古屋大学医学部手の外科〕

Carpal tunnel syndrome (CTS) and cubital tunnel syndrome (Cub.TS) are the two most common entrapment syndromes. Development of several validated outcome assessments have allowed conducting large scale epidemiological studies worldwide for the last decade regarding CTS, which have been providing reliable basic information. These studies have shown that CTS is more common than had been expected. It is estimated that lifetime risk of acquiring CTS is 10%, the annual incidence is 0.1% among adults, and overall prevalence is 2.7% among the general population. The most common cause is idiopathic inflammation of the flexor tendon sheath induced by activities involving repetitive wrist movement. In contrast, they are not available for Cub.TS and most data are derived from case series or expert opinion, therefore, information concerning Cub.TS is less reliable. In this lecture, the author is trying to offer up-date information of these entrapment neuropathies regarding their pathophysiology, epidemiology, and tips & pitfalls of diagnosis and treatment.

(臨床神経, 47:761−765, 2007)
key words:絞扼性神経障害, 手根管症候群, 肘部管症候群

(受付日:2007年5月16日)