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2011•Orthopaedic ProceedingsRequires access

075 GUIDED NEEDLE BIOPSY FOR SOFT TISSUE TUMOURS. A PROSPECTIVE STUDY OF 140 PATIENTS

Amir Ali Narvani, Eleftherios E. Tsiridis, Adnan Saifuddin, Timothy W.R. Briggs, S.R. Cannon

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Abstract

The aim of this study was to compare accuracy of an image guided percutaneous core needle biopsy (PCNB), using ultrasound or computed tomography, to PCNB without image guidance in the diagnosis of palpable soft tissue tumors. One hundred forty patients with a suspected soft tissue sarcoma underwent a percutaneous core needle biopsy with or without image guidance. One hundred eleven patients had subsequent surgical excision. The accuracy of guided PCNB and blind PCNB was calculated by comparing the histological results of the needle biopsy to the surgical specimen. The diagnostic accuracy of blind percutaneous core needle biopsy was 78% (36 of 46 biopsies) and significantly lower (p ≤ 0.025) in comparison to image guided percutaneous core needle biopsy which was 95% (62 of 65 biopsies). We suggest that image guidance improves the diagnostic accuracy of PCNB especially for small size deep sited suspected soft tissue tumours.

About this research paper

What this paper is about

The aim of this study was to compare accuracy of an image guided percutaneous core needle biopsy (PCNB), using ultrasound or computed tomography, to PCNB without image guidance in the diagnosis of palpable soft tissue tumors. One hundred forty patients with a suspected soft tissue sarcoma underwent a percutaneous core needle biopsy with or without image guidance. One hundred eleven patients had subsequent surgical excision. The accuracy of guided PCNB and blind PCNB was calculated by comparing the histological results of the needle biopsy to the surgical specimen. The diagnostic accuracy of blind percutaneous core needle biopsy was 78% (36 of 46 biopsies) and significantly lower (p ≤ 0.025) in comparison to image guided percutaneous core needle biopsy which was 95% (62 of 65 biopsies). We suggest that image guidance improves the diagnostic accuracy of PCNB especially for small size deep sited suspected soft tissue tumours.

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Available abstract

The aim of this study was to compare accuracy of an image guided percutaneous core needle biopsy (PCNB), using ultrasound or computed tomography, to PCNB without image guidance in the diagnosis of palpable soft tissue tumors. One hundred forty patients with a suspected soft tissue sarcoma underwent a percutaneous core needle biopsy with or without image guidance. One hundred eleven patients had subsequent surgical excision. The accuracy of guided PCNB and blind PCNB was calculated by comparing the histological results of the needle biopsy to the surgical specimen. The diagnostic accuracy of blind percutaneous core needle biopsy was 78% (36 of 46 biopsies) and significantly lower (p ≤ 0.025) in comparison to image guided percutaneous core needle biopsy which was 95% (62 of 65 biopsies). We suggest that image guidance improves the diagnostic accuracy of PCNB especially for small size deep sited suspected soft tissue tumours.

Key concepts: Medicine, Biopsy, Percutaneous, Soft tissue, Radiology, Core biopsy, Ultrasound, Percutaneous biopsy

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075 GUIDED NEEDLE BIOPSY FOR SOFT TISSUE TUMOURS. A PROSPECTIVE STUDY OF 140 PATIENTS — Research Paper | ScholarLens