Presentation
Right knee pain.
Patient Data
Age: 40 years
Gender: Female
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Unremarkable both knee joints radiograph.
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Mild knee joint effusion.
Incidentally noted, accessory third head gastrocnemius muscle.
Case Discussion
Accessory third head gastrocnemius muscle, could be responsible for patient's symptoms as it may compress popliteal artery causing claudication, and so the possibility of popliteal artery entrapment syndrome (PAES) should be clinically assessed.
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