Fat necrosis after trauma: a benign cause of palpable lumps in children.

Authors:
  • HEH A Evans
    H A Evans
  • LDL F Donnelly
    L F Donnelly
  • GBG S Bisset
    G S Bisset
  • KEK H Emery
    K H Emery
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Abstract
OBJECTIVE: Our objective is to describe the clinical entity and MR imaging appearance of fat necrosis after trauma, a benign cause of palpable soft-tissue lesions in children. A related objective is to establish MR imaging criteria that can be used reliably to differentiate this entity from other more serious causes of soft-tissue masses. CONCLUSION: Fat necrosis after trauma is a common cause of palpable lumps in children and has a benign course on long-term follow-up. When characteristic MR imaging findings are seen, conservative therapy is appropriate.