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1
Manhattan Radiology, 1133 College Ave., Ste. E, Manhattan, KS 66502.
2
Department of Radiology, Hutchinson Clinic, 2100 N. Waldron Dr., Hutchinson,
KS 67502.
3
Department of Radiology, Irwin Army Hospital, 600 Caisson Hill Rd., Ft. Riley,
KS 66442.
4
Surgical Associates, 1133 College Ave., Ste. A, Manhattan, KS 66502.
5
Department of Radiology, General Leonard Wood Hospital, Ft. Leonard Wood, MO
65473.
OBJECTIVE. The purpose of the study was to show that stereotactic breast biopsy can be performed effectively and accurately using add-on stereotactic equipment when it is performed with the patient in a decubitus or recumbent position.
MATERIALS AND METHODS. We retrospectively reviewed the results of 225 stereotactic core breast biopsies performed during a 42-month period. The biopsies were performed using a reclining mammography chair and add-on stereotactic equipment. Procedures were performed with the patient in the right or left lateral decubitus position or upright. Patients with benign biopsy results were followed up mammographically at 6 months initially, then yearly.
RESULTS. Of the 225 lesions biopsied stereotactically, 205 lesions (91%) were biopsied with the patient in the decubitus (right or left) position and 20 (9%) biopsied with the patient upright. Pathology results were classified as abnormal in 45 lesions (20%) and normal in 180 lesions (80%). All but one of the abnormal lesions were followed up with surgical excision. One hundred thirty-four of the 180 benign lesions have been followed up with at least one 6-month mammogram (follow-up range, 6-40 months), and none of the lesions has been subsequently proven malignant.
CONCLUSION. Stereotactic core biopsy can be performed effectively and accurately using standard add-on equipment when it is performed with the patient in the decubitus position. This approach obviates the use of dedicated prone stereotactic equipment.
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