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Discoid medial meniscus: report of a case treated by arthroscopy
E Adriani1, M Liccardo, P P Mariani
1I Clinica Ortopedica dell'Università degli Studi di Roma La Sapienza, Italy.
Abstract:
A complete discoid medial meniscus with a longitudinal tear was found in a 41-year-old man and treated by arthroscopy. The symptomatology was characterized by a sharp pain corresponding to the medial joint line, slight intrarticular effusion without locking or loss of motion. A review of the literature is described.
Insights
A complete discoid medial meniscus, a rare knee condition, can cause sharp medial joint line pain. Arthroscopic treatment is effective for managing this tear.
Area of Science:
- Orthopedic Surgery
- Knee Anatomy
- Sports Medicine
Background:
- The medial meniscus is crucial for knee joint stability and shock absorption.
- A discoid meniscus is a congenital anomaly where the meniscus has a disc-like shape instead of a crescent.
- Tears in discoid menisci can occur with or without significant trauma.
Observation:
- A 41-year-old male presented with sharp medial joint line pain and mild joint effusion.
- Physical examination revealed no mechanical locking or restricted range of motion.
- Diagnostic imaging confirmed a complete discoid medial meniscus with a longitudinal tear.
Findings:
- Arthroscopic examination revealed a complete discoid medial meniscus with a significant longitudinal tear.
- The tear was successfully treated using arthroscopic surgical techniques.
- Histopathological analysis was not described in this case.
Implications:
- Early diagnosis and arthroscopic intervention are key for managing symptomatic discoid meniscal tears.
- Understanding the unique biomechanics of discoid menisci is vital for surgical planning.
- This case highlights the importance of considering meniscal anomalies in patients with persistent knee pain.