Type V Tibial Tubercle Avulsion Fracture with Suspected Complication of Anterior Cruciate Ligament Injury: A Case Report

<i>Background and Objectives</i>: Type V tibial tubercle avulsion fractures are extremely rare; therefore, information on them remains limited. Furthermore, although these fractures are intra-articular, to the best of our knowledge, there are no reports on their assessment via magnetic r...

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Main Authors: Hiroki Okamura, Hiroki Ishikawa, Takuya Ohno, Shogo Fujita, Kei Nagasaki, Katsunori Inagaki, Yoshifumi Kudo
Format: Article
Language:English
Published: MDPI AG 2023-06-01
Series:Medicina
Subjects:
Online Access:https://www.mdpi.com/1648-9144/59/6/1061
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author Hiroki Okamura
Hiroki Ishikawa
Takuya Ohno
Shogo Fujita
Kei Nagasaki
Katsunori Inagaki
Yoshifumi Kudo
author_facet Hiroki Okamura
Hiroki Ishikawa
Takuya Ohno
Shogo Fujita
Kei Nagasaki
Katsunori Inagaki
Yoshifumi Kudo
author_sort Hiroki Okamura
collection DOAJ
description <i>Background and Objectives</i>: Type V tibial tubercle avulsion fractures are extremely rare; therefore, information on them remains limited. Furthermore, although these fractures are intra-articular, to the best of our knowledge, there are no reports on their assessment via magnetic resonance imaging (MRI) or arthroscopy. Accordingly, this is the first report to describe the case of a patient undergoing detailed evaluation via MRI and arthroscopy. <i>Case Presentation</i>: A 13-year-old male adolescent athlete jumped while playing basketball, experienced discomfort and pain at the front of his knee, and fell down. He was transported to the emergency room by ambulance after he was unable to walk. The radiographic examination revealed a Type Ⅴ tibial tubercle avulsion fracture that was displaced. In addition, an MRI scan revealed a fracture line extending to the attachment of the anterior cruciate ligament (ACL); moreover, high MRI intensity and swelling due to ACL were observed, suggesting an ACL injury. On day 4 of the injury, open reduction and internal fixation were performed. Furthermore, 4 months after surgery, bone fusion was confirmed, and metal removal was performed. Simultaneously, an MRI scan obtained at the time of injury revealed findings suggestive of ACL injury; therefore, an arthroscopy was performed. Notably, no parenchymal ACL injury was observed, and the meniscus was intact. The patient returned to sports 6 months postoperatively. <i>Conclusion</i>: Type V tibial tubercle avulsion fractures are known to be extremely rare. Based on our report, we suggest that MRI should be performed without hesitation if intra-articular injury is suspected.
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spelling doaj.art-cb0ad429a8b447dda68b6457acd3a8452023-11-18T11:30:54ZengMDPI AGMedicina1010-660X1648-91442023-06-01596106110.3390/medicina59061061Type V Tibial Tubercle Avulsion Fracture with Suspected Complication of Anterior Cruciate Ligament Injury: A Case ReportHiroki Okamura0Hiroki Ishikawa1Takuya Ohno2Shogo Fujita3Kei Nagasaki4Katsunori Inagaki5Yoshifumi Kudo6Department of Orthopedic Surgery, Nihon Koukan Hospital, 1-2-1 Koukandori, Kawasaki 210-0852, JapanDepartment of Orthopedic Surgery, Nihon Koukan Hospital, 1-2-1 Koukandori, Kawasaki 210-0852, JapanDepartment of Orthopedic Surgery, Nihon Koukan Hospital, 1-2-1 Koukandori, Kawasaki 210-0852, JapanDepartment of Orthopedic Surgery, Nihon Koukan Hospital, 1-2-1 Koukandori, Kawasaki 210-0852, JapanDepartment of Orthopedic Surgery, Nihon Koukan Hospital, 1-2-1 Koukandori, Kawasaki 210-0852, JapanDepartment of Orthopedic Surgery, Showa University School of Medicine, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo 142-8666, JapanDepartment of Orthopedic Surgery, Showa University School of Medicine, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo 142-8666, Japan<i>Background and Objectives</i>: Type V tibial tubercle avulsion fractures are extremely rare; therefore, information on them remains limited. Furthermore, although these fractures are intra-articular, to the best of our knowledge, there are no reports on their assessment via magnetic resonance imaging (MRI) or arthroscopy. Accordingly, this is the first report to describe the case of a patient undergoing detailed evaluation via MRI and arthroscopy. <i>Case Presentation</i>: A 13-year-old male adolescent athlete jumped while playing basketball, experienced discomfort and pain at the front of his knee, and fell down. He was transported to the emergency room by ambulance after he was unable to walk. The radiographic examination revealed a Type Ⅴ tibial tubercle avulsion fracture that was displaced. In addition, an MRI scan revealed a fracture line extending to the attachment of the anterior cruciate ligament (ACL); moreover, high MRI intensity and swelling due to ACL were observed, suggesting an ACL injury. On day 4 of the injury, open reduction and internal fixation were performed. Furthermore, 4 months after surgery, bone fusion was confirmed, and metal removal was performed. Simultaneously, an MRI scan obtained at the time of injury revealed findings suggestive of ACL injury; therefore, an arthroscopy was performed. Notably, no parenchymal ACL injury was observed, and the meniscus was intact. The patient returned to sports 6 months postoperatively. <i>Conclusion</i>: Type V tibial tubercle avulsion fractures are known to be extremely rare. Based on our report, we suggest that MRI should be performed without hesitation if intra-articular injury is suspected.https://www.mdpi.com/1648-9144/59/6/1061tibial tubercle avulsion fracturesanterior cruciate ligamentkneesports injury
spellingShingle Hiroki Okamura
Hiroki Ishikawa
Takuya Ohno
Shogo Fujita
Kei Nagasaki
Katsunori Inagaki
Yoshifumi Kudo
Type V Tibial Tubercle Avulsion Fracture with Suspected Complication of Anterior Cruciate Ligament Injury: A Case Report
Medicina
tibial tubercle avulsion fractures
anterior cruciate ligament
knee
sports injury
title Type V Tibial Tubercle Avulsion Fracture with Suspected Complication of Anterior Cruciate Ligament Injury: A Case Report
title_full Type V Tibial Tubercle Avulsion Fracture with Suspected Complication of Anterior Cruciate Ligament Injury: A Case Report
title_fullStr Type V Tibial Tubercle Avulsion Fracture with Suspected Complication of Anterior Cruciate Ligament Injury: A Case Report
title_full_unstemmed Type V Tibial Tubercle Avulsion Fracture with Suspected Complication of Anterior Cruciate Ligament Injury: A Case Report
title_short Type V Tibial Tubercle Avulsion Fracture with Suspected Complication of Anterior Cruciate Ligament Injury: A Case Report
title_sort type v tibial tubercle avulsion fracture with suspected complication of anterior cruciate ligament injury a case report
topic tibial tubercle avulsion fractures
anterior cruciate ligament
knee
sports injury
url https://www.mdpi.com/1648-9144/59/6/1061
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