Huili Zhan1, Huibo Zhang2, Rongjie Bai3,4, Zhanhua Qian1,5, Yue Liu1, Heng Zhang1, Yuming Yin6. 1. Department of Radiology, Peking University Fourth School of Clinical Medicine, No.31, Xinjiekou East Street, Xicheng District, Beijing, 100035, China. 2. Department of Radiology, Beijing Chaoyang Hospital of Capital Medical University, No. 8, Gongti South Road, Chaoyang District, Beijing, 100020, China. 3. Department of Radiology, Peking University Fourth School of Clinical Medicine, No.31, Xinjiekou East Street, Xicheng District, Beijing, 100035, China. bairongjie@126.com. 4. Department of Radiology, Beijing Jishuitan Hospital, Beijing Institute of Traumatology and Orthopedics, No.31, Xinjiekou East Street, Xicheng District, Beijing, 100035, China. bairongjie@126.com. 5. Department of Radiology, Beijing Jishuitan Hospital, Beijing Institute of Traumatology and Orthopedics, No.31, Xinjiekou East Street, Xicheng District, Beijing, 100035, China. 6. Radiology Associates, LLP, 1814 South Alameda Street, Corpus Christi, TX, 78404, USA.
Abstract
OBJECTIVES: To investigate if using high-resolution 3-T MRI can identify additional injuries of the triangular fibrocartilage complex (TFCC) beyond the Palmer classification. MATERIALS AND METHODS: Eighty-six patients with surgically proven TFCC injury were included in this study. All patients underwent high-resolution 3-T MRI of the injured wrist. The MR imaging features of TFCC were analyzed according to the Palmer classification. RESULTS: According to the Palmer classification, 69 patients could be classified as having Palmer injuries (52 had traumatic tears and 17 had degenerative tears). There were 17 patients whose injuries could not be classified according to the Palmer classification: 13 had volar or dorsal capsular TFC detachment and 4 had a horizontal tear of the articular disk. CONCLUSION: Using high-resolution 3-T MRI, we have not only found all the TFCC injuries described in the Palmer classification, additional injury types were found in this study, including horizontal tear of the TFC and capsular TFC detachment. We propose the modified Palmer classification and add the injury types that were not included in the original Palmer classification.
OBJECTIVES: To investigate if using high-resolution 3-T MRI can identify additional injuries of the triangular fibrocartilage complex (TFCC) beyond the Palmer classification. MATERIALS AND METHODS: Eighty-six patients with surgically proven TFCC injury were included in this study. All patients underwent high-resolution 3-T MRI of the injured wrist. The MR imaging features of TFCC were analyzed according to the Palmer classification. RESULTS: According to the Palmer classification, 69 patients could be classified as having Palmer injuries (52 had traumatic tears and 17 had degenerative tears). There were 17 patients whose injuries could not be classified according to the Palmer classification: 13 had volar or dorsal capsular TFC detachment and 4 had a horizontal tear of the articular disk. CONCLUSION: Using high-resolution 3-T MRI, we have not only found all the TFCC injuries described in the Palmer classification, additional injury types were found in this study, including horizontal tear of the TFC and capsular TFC detachment. We propose the modified Palmer classification and add the injury types that were not included in the original Palmer classification.
Entities:
Keywords:
Injury; Magnetic resonance imaging; Triangular fibrocartilage complex; Wrist
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