Control group comprised 161 benign lesions, recalled from screening with benign biopsy (B2) or cytology (C2) assessment outcomes. Results: Between 1995-2008, 188 B3 lesions identified (41% RS/CSL 29% ADH 39% papilloma 8% LN 1% other). Methods: Retrospective, single centre, review of subsequent breast cancers in screen detected B3 lesions between 1995-2008, compared with screen detected benign lesions identified between 1995-6. This study compares incidence of malignancy following B3 diagnosis, to that in a group of benign lesions Current management includes 5 year enhanced mammographic follow up post diagnosis. Purpose: B3 breast lesions are associated with an increased risk of subsequent breast malignancy. Nerys Forester, Christopher Ng, Nadia McAllister Correspondence: Nerys Forester Newcastle Hospitals, Newcastle, United Kingdom There is a higher number of diagnostic surgical excisions than expected, but the standards only apply to screening patients.
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13.6% DCIS and 10.6% B5b malignant.Ĭonclusions: The standard is met for B3 biopsy rate, recommended management, upgrade and follow up. The upgrade rate of 24% meets the standard. Results: The total number of biopsies during this period was 1028.ħ1 patients (6.9%) had a B3 result, meeting the standard (3.3%- 12.6%).ĥ0% were screening and 50% were symptomatic patients.ħ1% were Ultrasound guided biopsies and 29% were stereotactic 10g vacuum biopsies.ġ00% of the patients had a further procedure as recommended by the MDT- 50% had a Vacuum excision and 50% had diagnostic surgical excision. Meridian was used to collect and analyse the data. Further procedures and final pathology was collected from CRIS and ICE systems. The histopathology department provided the results data for these biopsies. Methods: Using the CRIS system, the total number of breast biopsies, both screening and symptomatic, performed at KMH between January 2018 and July 2019 was obtained. Do these patients have the correct follow up as per the standard? Is the correct procedure performed for each B3 biopsy case?Ĥ. Does the local B3 breast biopsy rate meet the standard?Ģ. Julia Yemm, Amanjot Karuppiah, Constantine Fragkoulakis Correspondence: Julia Yemm Sherwood Forest Hospitals NHS Foundation Trust, Nottingham, United Kingdomīackground / Objectives: The aim of this audit was to evaluate the local implementation of the B3 breast lesion pathway using NHSBSP Guidance 2016 as the audit standard by assessing the following points.ġ. Malignant calcifications tend to be spread over a greater distance and there is wider frequency distribution in this group.Ĭonclusion: Two thirds of stereotactic biopsies performed for NHSBSP recall patients for indeterminate calcifications yield a malignant diagnosis in our practice. Histograms demonstrate overlap between groups with the majority of microcalcifications measured between 10mm and 20mm. Mean size of microcalcifications in the malignant and benign biopsy group were 30.4mm and 18.9mm respectively. Mean age of patients in the malignant and benign biopsy group were 57.2 and 61.1 years respectively. Within this group 26 (65%) malignant and 14 (35%) benign biopsy results were obtained. Within the NHSBSP recall group 40 (76.9%) patients were recalled for indeterminate microcalcifications (M3/M4). 33 (63.5%) malignant biopsies and 19 (36.5%) benign biopsies were obtained. Mean age of patients in this cohort was 58.8 years. The majority were for patients recalled from the NHS BSP (52, 76.5%). Results: Between November 2018 and October 2019 68 stereotactic breast biopsies were performed. This analysis focussed on patients recalled from the National Health Service Breast Screening Programme (NHSBSP). Patient demographics, characteristics of the mammographic abnormality and pathological diagnosis were extracted. Methods: A retrospective audit of stereotactic biopsies performed at the Nottingham Breast Institute was undertaken to quantify the number of malignant and benign biopsy results. Introduction: Stereotactic breast biopsies are performed for the assessment of indeterminate mammographic abnormalities where no target can be identified on ultrasound scanning. Ketan Jethwa, Lisa Hamilton Nottingham Breast Institute, Nottingham, United Kingdom
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