Which of the following are true regarding this bone tumor?
A. More common in axial skeleton than appendicular skeleton.
B. Most are asymptomatic and incidental findings in adults.
C. No recurrent genetic alterations.
D. All of the above.

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Intranodal palisaded myofibrablastoma. Hemorrhages, collagenous bodies, palisades of bland spindle cell. Ddx with Kaposi sarcoma and schwannoma.

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A case with lipoid variant histology in urothelial carcinoma and a case of pleomorphic liposarcoma...look very similar, can you tell which is which?

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