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[Malignant hemangiopericytoma in computed tomography].

J Roth1, W Maier

  • 1Röntgendiagnostische Abteilung des Zentrums für Radiologie des Klinikums des Universität Ulm.

Rontgen-Blatter; Zeitschrift Fur Rontgen-Technik Und Medizinisch-Wissenschaftliche Photographie
|December 1, 1988
PubMed
Summary

Computed tomography (CT) identified malignant hemangiopericytomas, revealing distinct enhancement after contrast material injection. Findings included well-circumscribed masses and invasive growth patterns in these rare tumors.

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Area of Science:

  • Radiology
  • Oncology
  • Pathology

Background:

  • Malignant hemangiopericytoma is a rare vascular tumor.
  • Accurate diagnosis and characterization are crucial for treatment planning.

Purpose of the Study:

  • To describe the computed tomography (CT) imaging features of malignant hemangiopericytomas.
  • To correlate CT findings with tumor characteristics.

Main Methods:

  • Retrospective review of CT scans from eight patients with pathologically confirmed malignant hemangiopericytoma.
  • Analysis of lesion characteristics including margins, growth pattern, presence of cystic areas or calcification, and contrast enhancement.

Main Results:

  • CT revealed well-circumscribed mass lesions in five of eight cases.

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  • Invasive growth was observed in three cases.
  • Cystic areas were present in four tumors, and dystrophic calcification in one.
  • All tumors showed distinct enhancement after intravenous contrast administration.

    • Conclusions:

    • CT can demonstrate characteristic features of malignant hemangiopericytoma, including variable margins and enhancement patterns.
    • Imaging findings can suggest the diagnosis and guide further management.