A member asked:

A hip lesion was found during scan. followed for 3 yrs no change. safe to think it's alwsys been there? when i have piraformis issues i get scared.

A doctor has provided 1 answer

Bone island/cyst: If the lesion is unchanged over 3 years your conclusions seem correct. These can be bone islands and fibrous dysplasia amongst other benign bone lesions. The piriformis muscle aids hip flexion and rotation and is invisible in plain x-rays.

Answered 1/31/2016

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Thank

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