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

T S Tsai1, H A Evans, L F Donnelly

  • 1Department of Radiology, Children's Hospital Medical Center, Cincinnati, OH 45229-3039, USA.

AJR. American Journal of Roentgenology
|December 11, 1997
PubMed

Insights

Traumatic fat necrosis in children presents as palpable lumps and is benign. Characteristic magnetic resonance (MR) imaging findings help differentiate it from serious soft-tissue masses, guiding conservative treatment.

Area of Science:

  • Pediatric Radiology
  • Musculoskeletal Imaging
  • Pathology

Background:

  • Palpable soft-tissue lesions in children can be concerning.
  • Fat necrosis is a benign condition that can mimic more serious pathologies.
  • Accurate diagnosis is crucial for appropriate management.

Purpose of the Study:

  • To describe the clinical and MR imaging features of post-traumatic fat necrosis in children.
  • To establish reliable MR imaging criteria for differentiating fat necrosis from other soft-tissue masses.
  • To support conservative management when findings are characteristic.

Main Methods:

  • Review of clinical presentations of soft-tissue lesions in pediatric patients.
  • Analysis of MR imaging characteristics of confirmed cases of fat necrosis.
  • Comparison of imaging findings with other soft-tissue masses.

Main Results:

  • Fat necrosis after trauma is a frequent cause of palpable lumps in children.
  • Specific MR imaging findings are indicative of fat necrosis.
  • Differentiation from malignant or other serious masses is achievable with MR imaging.

Conclusions:

  • Post-traumatic fat necrosis is a common and benign condition in children.
  • Characteristic MR imaging findings support a diagnosis of fat necrosis.
  • Conservative therapy is appropriate when MR imaging is consistent with fat necrosis.
Abstract

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