Archives of surgery (Chicago, Ill. : 1960) · 1996
Usefulness of ultrasound-guided, fine-needle aspiration biopsy for palpable breast tumors.
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Hatada T, Aoki I, Okada K, Nakai T, Utsunomiya J
Аннотация
OBJECTIVE: To investigate whether ultrasound (US) guidance improves the sensitivity of fine-needle aspiration biopsy (FNAB) in patients with palpable breast tumors.
DESIGN: A retrospective study.
SETTING: A university hospital.
PATIENTS: A total of 107 patients with breast tumors (114 lesions) underwent US-guided FNAB and 138 patients (143 lesions) underwent FNAB guided by palpation (standard FNAB).
MAIN OUTCOME MEASURES: The diagnoses obtained by FNAB were compared with the surgical findings and the diagnostic value of US-guided FNAB was evaluated.
RESULTS: The sensitivity of US-guided FNAB was 89.3%, the specificity was 82.9%, and the accuracy was 86.9%. In contrast, the sensitivity of standard FNAB was 61.1%, the specificity was 73.3%, and the accuracy was 65.0%. For breast tumors 2.0 cm or less in diameter, the sensitivity and accuracy of US-guided FNAB were significantly higher than those of standard FNAB.
CONCLUSION: Ultrasound-guided FNAB can improve the preoperative diagnosis of breast cancer, especially in patients with tumors that are 2 cm or less in diameter.
DESIGN: A retrospective study.
SETTING: A university hospital.
PATIENTS: A total of 107 patients with breast tumors (114 lesions) underwent US-guided FNAB and 138 patients (143 lesions) underwent FNAB guided by palpation (standard FNAB).
MAIN OUTCOME MEASURES: The diagnoses obtained by FNAB were compared with the surgical findings and the diagnostic value of US-guided FNAB was evaluated.
RESULTS: The sensitivity of US-guided FNAB was 89.3%, the specificity was 82.9%, and the accuracy was 86.9%. In contrast, the sensitivity of standard FNAB was 61.1%, the specificity was 73.3%, and the accuracy was 65.0%. For breast tumors 2.0 cm or less in diameter, the sensitivity and accuracy of US-guided FNAB were significantly higher than those of standard FNAB.
CONCLUSION: Ultrasound-guided FNAB can improve the preoperative diagnosis of breast cancer, especially in patients with tumors that are 2 cm or less in diameter.