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Related Experiment Video

Updated: Dec 11, 2025

Stromal Vascular Fraction-enriched Fat Grafting for the Treatment of Symptomatic End-neuromata
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The "Tail Sign" in Intramuscular Schwannoma.

Hamza Khamlichi1, Patrick Mailleux1

  • 1Clinique Saint-Luc Bouge, BE.

Journal of the Belgian Society of Radiology
|August 25, 2020
PubMed
Summary

The "tail sign" is crucial for diagnosing soft tissue tumors, strongly indicating schwannoma. This finding aids in differentiating schwannomas from other tumor types.

Area of Science:

  • Oncology
  • Radiology
  • Pathology

Background:

  • Soft tissue tumors encompass a diverse range of neoplastic conditions.
  • Accurate differential diagnosis is essential for appropriate patient management.
  • Radiographic findings play a critical role in preoperative diagnosis.

Observation:

  • A specific imaging finding, the "tail sign," was observed in a case of soft tissue tumor.
  • This sign is characterized by a distinct linear extension of the lesion.

Findings:

  • The "tail sign" was highly suggestive of schwannoma in this case.
  • Its presence aids in narrowing the differential diagnosis of soft tissue neoplasms.
  • This imaging feature can help distinguish schwannomas from other mesenchymal tumors.
Keywords:
CTMRIUSschwannomasplit-fattail

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Implications:

  • Radiologists and clinicians should be aware of the "tail sign" for schwannoma diagnosis.
  • Incorporating this sign into diagnostic algorithms can improve diagnostic accuracy.
  • Further studies may explore the sensitivity and specificity of the "tail sign" across various populations.