Related Experiment Video
Updated: Jun 18, 2026

08:29
Microvascular Embolism Mouse Model for In Vivo Two-photon Microscopy Using Fluorescent Polystyrene Microspheres
Published on: November 21, 2025
Preoperative embolization of Castleman's disease using microspheres
Warren Swee1, Ahmed M Housseini, J Fritz Angle
1Department of Radiology, University of Virginia Health System, Charlottesville, Virginia 22908, USA.
The Annals of Thoracic Surgery
|November 26, 2009
Summary
Preoperative embolization of hypervascular Castleman disease may reduce surgical bleeding. This technique, using Trisacryl gelatin microspheres, showed decreased perioperative blood loss in two mediastinal cases.
Area of Science:
- Oncology
- Vascular Surgery
- Radiology
Background:
- Castleman disease is a rare lymphoproliferative disorder.
- It often presents as a hypervascular mediastinal mass.
- Surgical resection is the primary treatment, but hypervascularity risks significant blood loss.
Observation:
- Two patients with mediastinal Castleman disease underwent preoperative embolization.
- Trisacryl gelatin microspheres were used for embolization.
- The procedure aimed to reduce intraoperative bleeding.
Findings:
- Both patients experienced a reduction in perioperative bleeding.
- This suggests embolization is an effective strategy for managing hypervascularity.
- The findings align with but offer new data compared to existing literature.
Implications:
- Preoperative embolization can be a valuable adjunct to surgery for Castleman disease.
- This approach may improve surgical outcomes by minimizing blood loss.
- Further research could explore this technique in similar hypervascular tumors.