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. 2023 May;128(5):528-536.
doi: 10.1007/s11547-023-01626-5. Epub 2023 Apr 8.

Percutaneous vacuum-assisted excision (VAE) of breast lesions of uncertain malignant potential (B3 lesions): a preliminary single-centre Italian experience

Giulia Bicchierai  1 , Francesca Pugliese  2 , Francesco Amato  3 , Diego De Benedetto  2 , Cecilia Boeri  2 , Ermanno Vanzi  2 , Federica Di Naro  2 , Simonetta Bianchi  4 , Elsa Cossu  5 , Vittorio Miele  6 , Jacopo Nori  2
Affiliations

Percutaneous vacuum-assisted excision (VAE) of breast lesions of uncertain malignant potential (B3 lesions): a preliminary single-centre Italian experience

Giulia Bicchierai et al. Radiol Med. 2023 May.

Abstract

Purpose: In recent years vacuum-assisted excision (VAE) has been described as an alternative treatment for some B3 lesions. This study aims to assess the effectiveness of using VAE to manage selected B3 lesions by quantifying the number of B3 lesions undergoing VAE, the malignant upgrade rate, and the complications encountered.

Materials and methods: Our department evaluated all B3 lesions diagnosed between January 2019 and October 2021 and treated them with VAE. The data were collected during the initial biopsy and final histology based on VAE image guidance, also considering initial lesions and complications. The exclusion criteria were: B3 lesion of size > 20 mm, presence of a concomitant malignant lesion, lesion < 5.0 mm distant from the skin, nipple or pectoral muscle, phyllodes tumours or indeterminate B3 lesions. Lesions that upgraded to malignancy underwent surgical excision, while benign lesions performed radiological follow-ups.

Results: From 416 B3 lesions diagnosed, 67 (16.1%) underwent VAE. VAE was performed under X-ray (50/67) or ultrasound guidance (17/67). Five cases (7.5%) upgraded to a malignant lesion, 2 ADH, 2 LIN and one papillary lesion that underwent surgery. No malignancy or new lesions has occurred at the site of the VAE, with an average radiological follow-up of 14.9 months.

Conclusions: VAE could be a safe and effective pathway for managing selected B3 lesions. Lesions initially subjected to CNB with ADH and LN outcome, before undergoing VAE, should perform a VAB for better tissue characterization and management.

Keywords: Biopsy; Breast; Breast biopsy; Breast cancer.

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