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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Does A White Spot On Distal Femur Post Injury Mean?

I injured my femur, had an xray, and they incidentally found a white spot on the distal femur. I have a lot of joint pain all over my body and have been diagnosed with DJD. I have a lot of low back, hip and knee pain especially. I don t think I have ever injured my left leg prior to this injury. I am supposed to have an MRI done. What could this be? Three doctors have said it s probably nothing that I work with (I am a nurse).
Wed, 17 Mar 2021
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General & Family Physician,  's  Response
Hi,

Usually it may be nothing to be of concern. However, presence of chondroblastoma (a benign tumor of bone) should be ruled out. Chondroblastoma is a tumor, usually found at ends of long bones, particularly femur or tibia etc. It is a very rare tumor (1% of all bone tumors).

It is more in males than females having a ratio of 4::1 male to female and is mostly seen under 25 of age. It has an appearance of a small spot which is defined by a rim of white appearance at the periphery of spot. Sometimes, this spot is all covered by calcification giving the spot a clear whitish appearance. An MRI as well as biopsy of the lesion may be necessary to finalize the diagnosis particularly to rule out chondrosarcoma - a very rare but cancerous tumor of bone.

Take care. Hope I have answered your question. Let me know if I can assist you further.

Regards,
Dr. Satnarain Bansal, General & Family Physician
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What Does A White Spot On Distal Femur Post Injury Mean?

Hi, Usually it may be nothing to be of concern. However, presence of chondroblastoma (a benign tumor of bone) should be ruled out. Chondroblastoma is a tumor, usually found at ends of long bones, particularly femur or tibia etc. It is a very rare tumor (1% of all bone tumors). It is more in males than females having a ratio of 4::1 male to female and is mostly seen under 25 of age. It has an appearance of a small spot which is defined by a rim of white appearance at the periphery of spot. Sometimes, this spot is all covered by calcification giving the spot a clear whitish appearance. An MRI as well as biopsy of the lesion may be necessary to finalize the diagnosis particularly to rule out chondrosarcoma - a very rare but cancerous tumor of bone. Take care. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Satnarain Bansal, General & Family Physician