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Intravascular bronchioloalveolar tumor: CT and pathologic correlation.
G J Ross1, L Violi, A C Friedman
1Department of Diagnostic Imaging, Temple University Hospital, Philadelphia, PA 19140.
Journal of Computer Assisted Tomography
|March 1, 1989
Summary
Intravascular bronchioloalveolar tumor (IBAT) is a rare lung cancer typically found in young women as multiple nodules. Diagnosis requires lung biopsy, and awareness is key for radiologists to identify this indolent but potentially fatal disease.
Area of Science:
- Pulmonology
- Oncology
- Pathology
Background:
- Intravascular bronchioloalveolar tumor (IBAT) is a rare pulmonary neoplasm.
- It characteristically presents as multiple pulmonary nodules in asymptomatic young women.
- IBAT shares pathological identity with epithelioid hemangioendothelioma found in the liver and other soft tissues.
Observation:
- The disease course is often indolent.
- Some patients experience respiratory failure due to progressive tumor infiltration of the pulmonary interstitium.
- The presumed cell of origin is the endothelial cell.
Findings:
- Diagnosis necessitates an open lung biopsy.
- Radiologists should consider IBAT in their differential diagnosis for suspicious pulmonary nodules.
- The tumor's endothelial origin links it to other hemangioendothelioma variants.
Implications:
- Early recognition by radiologists can improve patient outcomes.
- Understanding the indolent nature aids in managing patient expectations and treatment planning.
- Further research into IBAT's pathogenesis may reveal targeted therapeutic strategies.