Cortical desmoid

Cortical desmoid (also known as a tug lesion or periosteal desmoid) is an irregularity of the distal femoral cortex that is caused by repetitive stress at the attachment of the adductor magnus aponeurosis. It is commonly observed in adolescents and is usually asymptomatic. This lesion is benign and tends to be self-limiting.

References

Gould CF, Ly JQ, Lattin GE, Beall DP, Sutcliffe JB (2007). "Bone tumor mimics: avoiding misdiagnosis". Curr Probl Diagn Radiol. 36 (3): 124–41. doi:10.1067/j.cpradiol.2007.01.001. PMID 17484955.

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