Anatomical variant of the meniscus related to posterior junction: a case report

Sadigursky, David; Garcia, Lucas Cortizo; Martins, Rodrigo Rêgo; Queiroz, Gustavo Castro de; Carneiro, Rogério Jamil Fernandes; Colavolpe, Paulo Oliveira

doi:10.1186/s13256-017-1512-z

Cited by 3 publications

(3 citation statements)

References 18 publications

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“…MRI showed anatomical abnormality of the menisci corresponding to the junction of the posterior horns of the menisci in tandem with the insertion of the posterior meniscus fibers in the anterior cruciate ligament [21] .…”

Section: Discussion and Literature Reviewmentioning

confidence: 99%

MR- arthrography: anatomic variant from link between lateral meniscus and anterior and posterior cruciate ligaments. A case report and review of the literature

Ossola

Duvia

Carlizzi

et al. 2021

Radiology Case Reports

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Menisci congenital anomalies are rare morphologic abnormalities including accessory meniscus, discoid meniscus, double-layered meniscus, hypoplastic meniscus and ring-shaped meniscus (RSM). In a 35 year-old male patient, MR arthrography showed a bridging accessory bundle connecting the anterior cruciate ligament and posterior cruciate ligament with the posterior horn of the lateral meniscus. Arthroscopic examination showed a fan-like obstacle embracing the posterior horn of the lateral meniscus. It would be important to correctly identify this anatomical variant, because the bundle connecting the external meniscus to the ligaments of the central pivot can be misinterpreted as a meniscal fragment.

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Section: Discussion and Literature Reviewmentioning

confidence: 99%

MR- arthrography: anatomic variant from link between lateral meniscus and anterior and posterior cruciate ligaments. A case report and review of the literature

Ossola

Duvia

Carlizzi

et al. 2021

Radiology Case Reports

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“…The most common meniscal anomaly is the discoid meniscus, which is more often seen in the lateral than medial meniscus and is more prevalent in Asians than in patients of other ethnicities. 1 Anomalies of the medial meniscus are rarer than those of the lateral meniscus, 2 but the most common types of such anomalies include medial discoid menisci, anomalous insertions of the anterior horn, meniscus hypoplasia, a ring-shaped meniscus, and meniscal ossicles. 3–5 Many types of meniscal malformations have been reported because of the central role they play in causing pain and limiting a patient’s daily activities.…”

Section: Introductionmentioning

confidence: 99%

Anomalous insertion of the anterior horn of the medial meniscus combined with anterior horn hypertrophy and a synovial cyst: case report and literature review

et al. 2021

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Objective To gain a greater understanding of anomalous insertions of the anterior horn of the medial meniscus through evaluation of a rare case and a review of the existing literature on medial meniscus malformations. Methods This report describes a 26-year-old man with an anomalous insertion of the anterior horn of the medial meniscus combined with symptomatic hypertrophy of the anterior horn and a synovial cyst. We also conducted a review of the existing literature on medial meniscus malformations using five major scholarly literature databases and search engines. Results The literature review revealed that the incidence of anomalous insertions of the anterior horn of the medial meniscus is 0.5% to 2.8%. Not all patients undergo surgical excision; some are only symptomatically treated. In our patient, the arthroscopic view was consistent with the imaging characteristics. No special operation was performed to treat the anomalous insertion. At the 18-month follow-up, the patient had no symptom recurrence and had returned to practicing sports. Conclusion The pain during hyperextension in our patient was caused by a cyst and anterior horn hypertrophy. If the symptoms in such cases are not caused by the anomalous insertion, no special treatment is needed.

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“…Both cases were described prior to the common use of arthroscopy. Recently, Sadigursky et al [ 6 ] reported a case of abnormality in medial and lateral posterior horns. We present the first report of an anomaly of both the anterior and posterior roots of the medial meniscus, documented by MRI and confirmed by arthroscopy.…”

Section: Introductionmentioning

confidence: 99%

Anomalous insertion of anterior and posterior horns of medial meniscus. Case report

Mariani

Torre

2021

BMC Musculoskelet Disord

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Background Anatomical variations of the attachment of medial meniscus are a common finding. However, anomalies of the posterior horn are extremely rare. Only two cases of posterior root anomaly have been described prior to the routine use of arthroscopy for evaluation and treatment of meniscal pathology. In this report, we present an anomaly of both the anterior and posterior roots of the medial meniscus that posed both a diagnostic and therapeutic dilemma. Case presentation The patient is young male soccer player who is currently 16 years of age and began having the atraumatic onset of pain and symptoms that limited performance starting at age 14 and was referred for failure of response to nonoperative treatment. Diagnostic arthroscopy revealed the presence of an anteromedial meniscofemoral ligament whereas the posterior root showed no bony attachment. The radiographic and arthroscopic findings are described. The clinical decision was made after to proceed with observation, reassurance, and gradual return to full activity with physiotherapy guidance. Discussion and conclusion The absence of injury, the mild complaints reported by the patient, his age, skeletal immaturity, and remaining growth led us to adopt a conservative approach to treating this anatomic variant and currently the patient is able to participate fully in sports without symptoms or restrictions.

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Anatomical variant of the meniscus related to posterior junction: a case report

Cited by 3 publications

References 18 publications

MR- arthrography: anatomic variant from link between lateral meniscus and anterior and posterior cruciate ligaments. A case report and review of the literature

MR- arthrography: anatomic variant from link between lateral meniscus and anterior and posterior cruciate ligaments. A case report and review of the literature

Anomalous insertion of the anterior horn of the medial meniscus combined with anterior horn hypertrophy and a synovial cyst: case report and literature review

Anomalous insertion of anterior and posterior horns of medial meniscus. Case report

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