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What are the risk factors for desmoid tumors?
Possible risk factors for the development of desmoid tumors include female sex, or a previous history of surgery, trauma, or pregnancy.
What is the differential diagnosis?
The differential diagnosis typically includes vascular and soft tissue tumors such as fibrosarcomas or neurofibromas, hemangiomas and schwannomas.
Round mass with defined contours which is shown in contact with the trapezius muscle and the supraspinatus muscle, with no evidence of infiltration.
The signal is isointense in relation to the muscles weight on T1 and hyperintense on T2 with high intensity high on T2 FAT sat, STIR and post-contrast.
Mass arterial supply probably comes from vertebral arteries.