Multiple Cases of Discoid Menisci within a Family: A Case Report and Literature Review

Discoid menisci are thought to be heritable. However, few documented cases of this occurring within families exist. We present the case of siblings with lateral discoid menisci, documented by knee magnetic resonance imaging (MRI), reinforcing the case for the existence of familial discoid menisci. The children's father also reportedly had a discoid meniscus, but proof was unavailable due to his country of origin's poor record keeping. We put this into the context of other rare, reports of similar cases. Teaching Point: We present further case of discoid menisci occurring within families, a long-held belief with little concrete supporting evidence.

Automated summary

This study presents a case of siblings with lateral discoid menisci, confirmed by knee magnetic resonance imaging (MRI), reinforcing the existence of familial discoid menisci. The father of the children also had a discoid meniscus, although proof was unavailable. This case is discussed in the context of other rare similar cases.