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New patient pathway using vacuum-assisted biopsy reduces diagnostic surgery for B3 lesions
S Rajan1, A M Shaaban, B J G Dall
1Department of Radiology, Leeds Teaching Hospitals NHS Trust, Leeds, UK. sabrinarajan@gmail.com
Aim:
To assess the clinical impact of a new patient management pathway incorporating vacuum-assisted biopsy for lesions of uncertain malignant potential (B3).
Materials And Methods:
A retrospective analysis was undertaken of all B3 lesions on core biopsy in the pathology database from April 2008 to April 2010. Outcome measures assessed included final histological diagnosis, frequency of diagnostic surgical biopsy, and impact on management.
Results:
In the old pathway, there were 95 B3 lesions, of which 14% (13/95) were planned for vacuum-assisted biopsy and 86% (82/95) for surgical biopsy. In the new pathway, there were 94 B3 lesions, of which 68% (64/94) were planned for vacuum-assisted biopsy and 32% (30/94) for surgical biopsy. Following further sampling with vacuum-assisted biopsy, only 13% of patients required diagnostic surgical biopsy and in 25% of cases, a preoperative diagnosis of carcinoma was reached allowing patients to proceed to therapeutic surgery.
Conclusion:
The new pathway has reduced the number of benign diagnostic surgical biopsies performed and increased the preoperative diagnosis of breast cancer.