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Primary angiosarcoma of the lung.

Sameer A Pandit¹, Paul N Fiedler, Jack L Westcott

¹Department of Radiology, Hospital of Saint Raphael, New Haven, CT 06511, USA.

Annals of Diagnostic Pathology

|October 4, 2005

Summary

Primary lung angiosarcoma is rare. This case highlights epithelioid angiosarcoma presenting as hemorrhagic pulmonary nodules on CT scans, offering valuable insights into this uncommon condition.

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Area of Science:

Oncology
Radiology
Pathology

Background:

Primary angiosarcoma of the lung is an exceedingly rare malignancy.
Few cases are documented in existing medical literature, limiting understanding of its presentation and characteristics.

Observation:

A case of primary lung angiosarcoma in a 79-year-old woman is presented.
Computed tomographic scans showed soft tissue nodules with a halo of ground-glass attenuation, indicative of hemorrhagic pulmonary nodules.
Lung biopsy confirmed a multifocal malignant neoplasm with hemorrhage.

Findings:

Histologic, cytologic, and immunophenotypic analyses confirmed the diagnosis of epithelioid angiosarcoma.
The findings correlate imaging findings with pathological characteristics.

Implications:

This case contributes valuable data to the limited literature on primary pulmonary angiosarcoma.
It underscores the importance of recognizing the CT halo sign in the context of hemorrhagic pulmonary nodules for early diagnosis.

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