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Related Experiment Videos

Imaging study findings in elastofibroma dorsi.

Jacques Malghem1, Vincent Baudrez, Frédéric Lecouvet

  • 1Radiology and Medical Imaging Unit, Saint-Luc University Hospitals, Catholic University of Louvain, Avenue Hippocrate, 10 B-1200 Brussels, Belgium. malghem@rdgn.ucl.ac.be

Joint Bone Spine
|December 14, 2004
PubMed
Summary

Elastofibroma dorsi, a common tumor in older adults, is characterized by fibrous and fatty tissues. Advanced imaging like CT and MRI can confirm diagnosis by revealing its unique layered structure.

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Area of Science:

  • Radiology
  • Oncology
  • Pathology

Background:

  • Elastofibroma dorsi is a benign tumor or pseudotumor commonly found in older individuals.
  • It typically presents as a slow-growing mass in the subscapular region.
  • The lesion is composed of a mixture of fibrous and fatty tissues.

Purpose of the Study:

  • To review the diagnostic features of elastofibroma dorsi on various imaging modalities.
  • To highlight the effectiveness of computed tomography (CT) and magnetic resonance imaging (MRI) in diagnosing this condition.
  • To emphasize the role of imaging in differentiating elastofibroma dorsi from other soft tissue masses.

Main Methods:

  • Review of imaging findings from plain radiographs, ultrasonography, CT, and MRI.
  • Description of characteristic imaging features, including location, size, and internal composition.

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  • Correlation of imaging findings with pathological characteristics.

    • Main Results:

    • Elastofibroma dorsi typically appears as a poorly defined mass with a characteristic layered pattern of fibrous and fatty tissues.
    • CT demonstrates low density for fatty components and soft tissue density for fibrous components.
    • MRI shows high signal intensity on T1-weighted images and intermediate signal intensity on T2-weighted images for fatty tissue, with signal intensity similar to muscle for fibrous tissue.

    Conclusions:

    • Imaging studies, particularly CT and MRI, are highly effective in diagnosing elastofibroma dorsi.
    • The characteristic layered appearance on CT and MRI allows for confident diagnosis in most cases.
    • When imaging findings are typical and the patient is asymptomatic, further investigations are generally not required.