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Endochondroma

USU Teaching File MUTF - MedPix

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Affiliation: Uniformed Services University

ABSTRACT

Diagnosis: Endochondroma

History: 26 y/o AD USMC female currently being treated for stress fractures in bilateral lower extremities R > L. A bone scan suggested a mild increased radiopharmaceutical uptake in the proximal tibial diaphysis, not suggestive of a stress fracture, besides the visualized stress fractures.

Findings: Lateral radiographs of the right tibia shows a well-defined lytic mass with stippled calcifications without endosteal scalloping. Coronal STIR image of the proximal tibia shows a high-signal-intensity lobulated diaphyseal medullary mass with focal areas of low signal intensity corresponding the stippled calcifications on the plain radiographs These findings are consistent with a benign cartilaginous tumor, an enchondroma. With the history of pain, close clinical and MRI follow-up is recommended.

Ddx: Enchondroma Low-grade chondrosarcoma, although the radiographic findings suggest a more benign lesion

Exam: No physical findings and no labs.

No MeSH data available.


Axial T1-weighted spin echo MR image of the right tibia/fibula shows a well-circumscribed,lobulated predominantly low-signal-intensity medullary mass without evidence of endosteal scalloping.
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MPX1635_synpic14572: Axial T1-weighted spin echo MR image of the right tibia/fibula shows a well-circumscribed,lobulated predominantly low-signal-intensity medullary mass without evidence of endosteal scalloping.


Endochondroma

USU Teaching File MUTF - MedPix

Axial T1-weighted spin echo MR image of the right tibia/fibula shows a well-circumscribed,lobulated predominantly low-signal-intensity medullary mass without evidence of endosteal scalloping.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=MPX1635&req=5

MPX1635_synpic14572: Axial T1-weighted spin echo MR image of the right tibia/fibula shows a well-circumscribed,lobulated predominantly low-signal-intensity medullary mass without evidence of endosteal scalloping.

View Article: MedPix Image - MedPix Case

Affiliation: Uniformed Services University

ABSTRACT

Diagnosis: Endochondroma

History: 26 y/o AD USMC female currently being treated for stress fractures in bilateral lower extremities R > L. A bone scan suggested a mild increased radiopharmaceutical uptake in the proximal tibial diaphysis, not suggestive of a stress fracture, besides the visualized stress fractures.

Findings: Lateral radiographs of the right tibia shows a well-defined lytic mass with stippled calcifications without endosteal scalloping. Coronal STIR image of the proximal tibia shows a high-signal-intensity lobulated diaphyseal medullary mass with focal areas of low signal intensity corresponding the stippled calcifications on the plain radiographs These findings are consistent with a benign cartilaginous tumor, an enchondroma. With the history of pain, close clinical and MRI follow-up is recommended.

Ddx: Enchondroma Low-grade chondrosarcoma, although the radiographic findings suggest a more benign lesion

Exam: No physical findings and no labs.

No MeSH data available.