Surgical Treatment of Double-Layered Lateral Meniscus

This is a rare case of a patient with a double-layered lateral meniscus, undergoing surgical treatment. A 17-year-old woman who was a member of a volleyball club had a two-year history of right knee pain with episodes of locking, although she had no history of trauma. She was referred to our hospita...

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Main Authors: Masataka Ota, Hiroshi Takagi, Shin Kato, Fumiyoshi Kawashima, Koji Kanzaki
Format: Article
Language:English
Published: Wiley 2021-01-01
Series:Case Reports in Orthopedics
Online Access:http://dx.doi.org/10.1155/2021/9978889
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author Masataka Ota
Hiroshi Takagi
Shin Kato
Fumiyoshi Kawashima
Koji Kanzaki
author_facet Masataka Ota
Hiroshi Takagi
Shin Kato
Fumiyoshi Kawashima
Koji Kanzaki
author_sort Masataka Ota
collection DOAJ
description This is a rare case of a patient with a double-layered lateral meniscus, undergoing surgical treatment. A 17-year-old woman who was a member of a volleyball club had a two-year history of right knee pain with episodes of locking, although she had no history of trauma. She was referred to our hospital because her condition did not improve after conservative treatment. On presentation to the hospital, she had full range of motion in the right knee. McMurray’s test revealed no clicks; however, it produced pain in the lateral part. Plain radiography revealed no abnormal findings, whereas magnetic resonance imaging showed high signal in the posterior segment of the lateral meniscus and an increase in its volume. Arthroscopic findings showed an accessory meniscus with a flat surface overlying a normal-sized lateral meniscus. It was firmly connected to the posterior root and middle segment of the lower normal meniscus. The accessory meniscus was markedly mobile as revealed by probing. The patient was diagnosed with double-layered lateral meniscus and underwent resection of the accessory meniscus. Postoperatively, she initiated strengthening of muscles and range of motion training without weight-bearing restrictions. Two months postoperatively, she had completely recovered and participated in volleyball practices. In the last follow-up at 18 months, she had no restrictions in daily or sports activities.
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institution Kabale University
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publisher Wiley
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series Case Reports in Orthopedics
spelling doaj-art-fb22a00c2664458fa24e2d489f0804812025-02-03T01:27:02ZengWileyCase Reports in Orthopedics2090-67492090-67572021-01-01202110.1155/2021/99788899978889Surgical Treatment of Double-Layered Lateral MeniscusMasataka Ota0Hiroshi Takagi1Shin Kato2Fumiyoshi Kawashima3Koji Kanzaki4Department of Orthopedic Surgery, Showa University Fujigaoka Hospital, JapanDepartment of Orthopedic Surgery, Showa University Fujigaoka Hospital, JapanDepartment of Orthopedic Surgery, Showa University Fujigaoka Hospital, JapanDepartment of Orthopedic Surgery, Showa University Fujigaoka Hospital, JapanDepartment of Orthopedic Surgery, Showa University Fujigaoka Hospital, JapanThis is a rare case of a patient with a double-layered lateral meniscus, undergoing surgical treatment. A 17-year-old woman who was a member of a volleyball club had a two-year history of right knee pain with episodes of locking, although she had no history of trauma. She was referred to our hospital because her condition did not improve after conservative treatment. On presentation to the hospital, she had full range of motion in the right knee. McMurray’s test revealed no clicks; however, it produced pain in the lateral part. Plain radiography revealed no abnormal findings, whereas magnetic resonance imaging showed high signal in the posterior segment of the lateral meniscus and an increase in its volume. Arthroscopic findings showed an accessory meniscus with a flat surface overlying a normal-sized lateral meniscus. It was firmly connected to the posterior root and middle segment of the lower normal meniscus. The accessory meniscus was markedly mobile as revealed by probing. The patient was diagnosed with double-layered lateral meniscus and underwent resection of the accessory meniscus. Postoperatively, she initiated strengthening of muscles and range of motion training without weight-bearing restrictions. Two months postoperatively, she had completely recovered and participated in volleyball practices. In the last follow-up at 18 months, she had no restrictions in daily or sports activities.http://dx.doi.org/10.1155/2021/9978889
spellingShingle Masataka Ota
Hiroshi Takagi
Shin Kato
Fumiyoshi Kawashima
Koji Kanzaki
Surgical Treatment of Double-Layered Lateral Meniscus
Case Reports in Orthopedics
title Surgical Treatment of Double-Layered Lateral Meniscus
title_full Surgical Treatment of Double-Layered Lateral Meniscus
title_fullStr Surgical Treatment of Double-Layered Lateral Meniscus
title_full_unstemmed Surgical Treatment of Double-Layered Lateral Meniscus
title_short Surgical Treatment of Double-Layered Lateral Meniscus
title_sort surgical treatment of double layered lateral meniscus
url http://dx.doi.org/10.1155/2021/9978889
work_keys_str_mv AT masatakaota surgicaltreatmentofdoublelayeredlateralmeniscus
AT hiroshitakagi surgicaltreatmentofdoublelayeredlateralmeniscus
AT shinkato surgicaltreatmentofdoublelayeredlateralmeniscus
AT fumiyoshikawashima surgicaltreatmentofdoublelayeredlateralmeniscus
AT kojikanzaki surgicaltreatmentofdoublelayeredlateralmeniscus