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Related Experiment Videos

Thyroid masses: MR imaging and pathologic correlation.

S Noma1, M Kanaoka, S Minami

  • 1Department of Radiology, Kyoto University School of Medicine, Japan.

Radiology
|September 1, 1988
PubMed
Summary
This summary is machine-generated.

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High-field-strength surface coil magnetic resonance (MR) imaging accurately reveals thyroid mass pathology. Specific pseudocapsule appearances on MR images can help distinguish between benign adenomas and malignant papillary carcinomas.

Area of Science:

  • Radiology
  • Oncology
  • Pathology

Background:

  • Thyroid masses require accurate characterization for appropriate management.
  • Distinguishing benign from malignant thyroid nodules is clinically significant.
  • Magnetic resonance (MR) imaging offers detailed soft-tissue contrast for evaluating complex pathologies.

Purpose of the Study:

  • To assess the utility of high-field-strength surface coil MR imaging in identifying gross pathologic features of thyroid masses.
  • To correlate MR imaging findings with surgical and pathologic specimens.
  • To determine if MR imaging can differentiate between benign and malignant thyroid lesions based on pseudocapsule characteristics.

Main Methods:

  • Twenty-four patients with thyroid masses underwent high-field-strength surface coil MR imaging.

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  • Patients included those with papillary carcinoma, adenoma, and adenomatous goiter.
  • MR imaging findings were directly compared with gross pathologic examination of surgical specimens.

    • Main Results:

    • MR imaging findings demonstrated high concordance with gross pathologic examination, with discrepancies in four adenoma cases.
    • Pseudocapsule appearance on MR imaging showed distinct patterns: Type A (intact, even) was exclusive to adenomas, while Type D (partially destroyed) was specific to papillary carcinoma.
    • MR imaging effectively visualized pseudocapsular and hemorrhagic degeneration characteristics.

    Conclusions:

    • High-field-strength surface coil MR imaging is a valuable tool for assessing the gross pathology of thyroid masses.
    • Specific MR imaging features of the pseudocapsule can aid in differentiating benign (adenoma) from malignant (papillary carcinoma) thyroid disease.
    • Further studies with larger cohorts are warranted to confirm these findings.