HomeCasesUndifferentiated pleomorphic sarcoma of the humerus
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XRMusculoskeletalConfirmedFRCR 2B

Undifferentiated pleomorphic sarcoma of the humerus

120 views540y Female10/9/2026

Large humeral mass identified just prior to childbirth. Developed over several months.

  • 1Lucent destructive lesion in the right humeral head and neck with cortical destruction.Moth eaten appearance to the proximal humeral diaphysis
  • 2Destructive bone based lesion centered on the right humeral head, extending into the metadiaphysis.Acromion intact
  • 3Contrast not administered as patient breast feeding.The humeral head and neck is replaced with a soft tissue mass with high T2, low T1 signal material, with several high T1 foci in keeping with intra-tumoral hemorrhage.Extension into the proximal diaphysis.No synchronus lesion.