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Related Experiment Videos

Sonographic detection of elastofibroma dorsi.

Anjali Dalal1, Theodore T Miller, Samuel Kenan

  • 1University of Medicine and Dentistry of New Jersey-School of Medicine, One Medical Center Drive, Stratford, New Jersey 08084-1501, USA.

Journal of Clinical Ultrasound : JCU
|August 19, 2003
PubMed
Summary

A deep scapular elastofibroma was missed by MRI but detected by ultrasound when the patient abducted their arm. This imaging technique revealed the tumor's typical appearance, leading to surgical confirmation.

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Area of Science:

  • Radiology
  • Oncology
  • Pathology

Background:

  • Elastofibromas are benign tumors typically found in the subscapular region.
  • Deep-seated elastofibromas can be challenging to diagnose due to their location.
  • Magnetic Resonance Imaging (MRI) is often used for soft tissue mass evaluation.

Observation:

  • A large, deep elastofibroma beneath the scapula was initially inconspicuous on MRI with the arm in a neutral position.
  • Ultrasound (US) examination successfully detected the elastofibroma only after the patient abducted their arm.
  • The mass emerged from under the scapula upon arm abduction, improving its visibility on sonography.

Findings:

  • The elastofibroma presented with a characteristic sonographic appearance: a hypoechoic mass with interspersed linear echogenicity, mimicking muscle tissue.

Related Experiment Videos

  • Histopathologic examination following surgical excision confirmed the diagnosis of elastofibroma.

    • Implications:

    • Arm abduction can be a crucial maneuver for improving the sonographic detection of deep-seated subscapular masses like elastofibromas.
    • This case highlights the complementary roles of MRI and ultrasound in diagnosing challenging soft tissue tumors.
    • Awareness of positional changes in imaging can enhance diagnostic accuracy for subscapular lesions.