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Pathologic approach to pulmonary hemorrhage.
T V Colby1, J Fukuoka, S P Ewaskow
1Department of Pathology, Mayo Clinic Scottsdale, 13400 E Shea Blvd, Scottsdale, AZ 85259, USA.
Annals of Diagnostic Pathology
|October 13, 2001
Summary
This review details the pathologist
Area of Science:
- Pathology
- Pulmonary Medicine
- Histology
Background:
- Pulmonary hemorrhage presents diagnostic challenges.
- Distinguishing localized bleeding from diffuse alveolar hemorrhage is crucial.
Purpose of the Study:
- To outline the pathologist's approach to pulmonary hemorrhage.
- To discuss the histologic evaluation and common causes of diffuse alveolar hemorrhage.
Main Methods:
- Histologic examination of alveolar spaces for fresh hemorrhage.
- Assessment for hemosiderin deposition and its origins.
- Review of clinical and pathological diagnostic clues for diffuse alveolar hemorrhage.
Main Results:
- Pulmonary hemorrhage cases are categorized into localized bleeding and diffuse alveolar hemorrhage.
- Histologic findings include fresh hemorrhage and hemosiderin, requiring careful interpretation.
- Common causes of diffuse alveolar hemorrhage are identified.
Conclusions:
- A systematic approach to pulmonary hemorrhage is essential for accurate diagnosis.
- Histologic evaluation is key to differentiating causes and patterns of bleeding.
- Understanding common etiologies aids in clinical-pathologic correlation.