The cubital tunnel syndrome: diagnosis and precise localization.

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Abstract

[Indexed for MEDLINE] 16. Radiol Phys Technol. 2024 Sep;17(3):645-650. doi: 10.1007/s12194-024-00813-x. Epub 2024 May 24. The relationship between diffusion tensor imaging and the clinical classification of cubital tunnel syndrome. Kimura M(1), Nagata S(2), Suzuki M(3), Nashiki K(3), Kawata H(3), Abe T(2). Author information: (1)Department of Radiology, Kurume University Hospital, Fukuoka, Japan. kimura_mitsuhiro@kurume-u.ac.jp. (2)Department of Radiology, Kurume University School of Medicine, Fukuoka, Japan. (3)Department of Radiology, Kurume University Hospital, Fukuoka, Japan. The purpose of the study was to investigate the relationship between diffusion tensor imaging (DTI) and the clinical classification of cubital tunnel syndrome (CuTS). Ten patients with CuTS (7 men and 3 women; mean age: 52.7 years) and 5 patients without ulnar neuropathy (2 men and 3 women; mean age: 38.0 years) were enrolled in this retrospective study. Fifteen patients were clinically classified into three groups: "Normal", "1 and 2A", and "2B and 3" by an orthopedic surgeon using the modified McGowan stages. DTI was acquired using a 3.0-T MRI. Fractional anisotropy (FA) of the ulnar nerve was measured in slices covering 20 mm proximal to 20 mm distal to ulnar sulcus. Median FA values in each group were compared by Kruskal-Wallis and Steel-Dwass test (P