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Updated: Jul 12, 2025

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Chronic expanding hematoma.

G Serra Del Carpio1, M Tapia Viñé1, N Torena1

  • 1Servicio de Radiología, Hospital Universitario La Paz, Madrid, Spain.

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|October 20, 2023
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Summary
This summary is machine-generated.

Chronic expansive hematoma (CEH) is a rare lesion that grows over time, mimicking cancer. This review details its imaging characteristics across ultrasound, CT, MRI, and PET-CT to aid diagnosis.

Keywords:
HematomaMagnetic resonance imagingMultidetector computed tomographyPositron emission tomography computed tomographyResonancia magnéticaTomografía computarizada multidetectorTomografía por emisión de positrones tomografía computarizada

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Area of Science:

  • Radiology
  • Oncology
  • Pathology

Background:

  • Chronic expansive hematoma (CEH) is a rare condition characterized by hematoma persistence and growth exceeding one month post-hemorrhage.
  • CEH poses diagnostic challenges due to its potential to mimic malignant soft tissue neoplasms clinically and radiologically.
  • Accurate differentiation from malignancy is crucial for appropriate patient management.

Purpose of the Study:

  • To review three distinct cases of chronic expansive hematoma.
  • To elucidate the radiological findings of CEH across various imaging modalities.
  • To enhance the diagnostic accuracy of CEH and differentiate it from soft tissue malignancies.

Main Methods:

  • Review of three clinical cases presenting with chronic expansive hematoma.
  • Analysis of imaging findings from ultrasound, computed tomography (CT), magnetic resonance imaging (MRI), and PET-CT.
  • Correlation of radiological features with clinical presentation and pathological outcomes.

Main Results:

  • Demonstration of characteristic radiological features of CEH on ultrasound, CT, and MRI.
  • Highlighting the utility of PET-CT in assessing metabolic activity and aiding differential diagnosis.
  • Illustrating the progressive nature and variable appearances of CEH in different clinical contexts.

Conclusions:

  • Chronic expansive hematoma presents a diagnostic challenge due to its potential to mimic malignancy.
  • Multimodality imaging, including CT, MRI, and PET-CT, is essential for characterizing CEH.
  • Radiological pattern recognition is key to distinguishing CEH from soft tissue tumors, guiding appropriate clinical decisions.