scholarly journals Histo-pathological correlation of BI-RADS 4 lesions on mammography with emphasis on microcalcification patterns.

2008 ◽  
Vol 12 (4) ◽  
pp. 84
Author(s):  
F Ismail ◽  
J Holl ◽  
Z Lockhat ◽  
H J Akande
Keyword(s):  
Retrospective Study ◽  
Physical Examination ◽  
Digital Mammography ◽  
Classification System ◽  
Breast Imaging ◽  
Data System ◽  
Architectural Distortion ◽  
Final Histology ◽  
Radiological Appearance ◽  
Study Population

A retrospective study of 20 patients with Breast Imaging Reporting and Data System (BI-RADS) 4 lesions was undertaken. These patients were classified as BI-RADS 4 lesions due to presence of a mass (clinical or on mammography), architectural distortion and microcalcifications (MC). In some patients, the pattern of MC was benign but there were other features that were suspicious of malignancy. A comparison was made with the histological diagnosis in order to compare the radiological appearance of benign and malignant microcalcification patterns with the final histology. The study design included retrospective analysis of patients with MC on digital mammography who underwent biopsy. An analysis of the histology was then undertaken. Other factors in the history and physical examination were also considered. Results showed that although the study was not statistically significant due to limited study population, interesting trends are determined in assessing calcification patterns using the Breast Imaging Reporting and Data System (BI-RADS) classification system, since some lesions that were thought to have benign calcification patterns were actually malignant and vice versa. Further study in this field is required.

Comparison of Call-Back Rates between Digital Mammography and Digital Breast Tomosynthesis

2019 ◽  
Vol 85 (8) ◽  
pp. 855-857
Author(s):  
Anthony M. Scott ◽  
Madison G. Lashley ◽  
Nicholas B. Drury ◽  
Paul S. Dale
Keyword(s):  
Breast Cancer ◽  
Ultrasound Imaging ◽  
Digital Mammography ◽  
Breast Imaging ◽  
Digital Breast Tomosynthesis ◽  
Data System ◽  
Screening Tools ◽  
Radiographic Imaging ◽  
Breast Cancers ◽  
Breast Tomosynthesis

The effect of mammographic screening on the natural history and evolution of breast cancer treatment cannot be overstated; however, despite intensive and resource consuming screening, advanced breast cancer is still diagnosed frequently. The development of three-dimensional mammography or digital breast tomosynthesis (DBT) has already demonstrated greater sensitivity in the diagnosis of breast pathology and effectiveness in identifying early breast cancers. In addition to being a more sensitive screening tool, other studies indicate DBT has a lower call-back rate when compared with traditional DM. This study compares call-back rates between these two screening tools. A single institution, retrospective review was conducted of almost 20,000 patient records who underwent digital mammography or DBTin the years 2016 to 2018. These charts were analyzed for documentation of imaging type, Breast Imaging Reporting and Data System 0 status, call-back status, and type of further imaging that was required. Charts for 19,863 patients were reviewed, 17,899 digital mammography examinations were conducted compared with 11,331 DBT examinations resulting in 1,066 and 689 Breast Imaging Reporting and Data System 0 studies, respectively. Of the DM call-backs, 82.08 per cent were recommended for additional radiographic imaging and 17.82 per cent for ultrasound imaging. In the DBT group, only 39.77 per cent of callbacks were recommended for additional radiographic imaging and 60.09 per cent for ultrasound imaging. Our data suggest that DBT results in less call-back for additional mammographic images as compared with digital mammography. DBT may offer benefits over DM, including less imaging before biopsy, less time before biopsy, quicker diagnosis, and improved patient satisfaction.

Sensitivity of a Direct Computer-aided Detection System in Full-field Digital Mammography for Detection of Microcalcifications Not Associated with Mass or Architectural Distortion

2010 ◽  
Vol 61 (3) ◽  
pp. 162-169 ◽  
Author(s):  
Anabel M. Scaranelo ◽  
Pavel Crystal ◽  
Karina Bukhanov ◽  
Thomas H. Helbich
Keyword(s):  
Digital Mammography ◽  
Breast Imaging ◽  
Detection System ◽  
Architectural Distortion ◽  
Computer Aided Detection ◽  
Full Field ◽  
Cad System ◽  
Full Field Digital Mammography ◽  
Significant Difference ◽  
Computer Aided

Purpose The purpose of this study was to evaluate the sensitivity of a direct computer-aided detection (CAD) system (d-CAD) in full-field digital mammography (FFDM) for the detection of microcalcifications not associated with mass or architectural distortion. Materials and Methods A database search of 1063 consecutive stereotactic core biopsies performed between 2002 and 2005 identified 196 patients with Breast Imaging-Reporting and Data System (BI-RADS) 4 and 5 microcalcifications not associated with mass or distortion detected exclusively by bilateral FFDM. A commercially available CAD system (Second Look, version 7.2) was retrospectively applied to the craniocaudal and mediolateral oblique views in these patients (mean age, 59 years; range, 35–84 years). Breast density, location and mammographic size of the lesion, distribution, and tumour histology were recorded and analysed by using χ2, Fisher exact, or McNemar tests, when applicable. Results When using d-CAD, 71 of 74 malignant microcalcification cases (96%) and 101 of 122 benign microcalcifications (83%) were identified. There was a significant difference ( P < .05) between CAD sensitivity on the craniocaudal view, 91% (68 of 75), vs CAD sensitivity on the mediolateral oblique view, 80% (60 of 75). The d-CAD sensitivity for dense breast tissue (American College of Radiology [ACR] density 3 and 4) was higher (97%) than d-CAD sensitivity (95%) for nondense tissue (ACR density 1 and 2), but the difference was not statically significant. All 28 malignant calcifications larger than 10 mm were detected by CAD, whereas the sensitivity for lesions small than or equal to 10 mm was 94%. Conclusions D-CAD had a high sensitivity in the depiction of asymptomatic breast cancers, which were seen as microcalcifications on FFDM screening, with a sensitivity of d-CAD on the craniocaudal view being significantly better. All malignant microcalcifications larger than 10 mm were detected by d-CAD.

Mammographic Microcalcifications and Breast Cancer: A Radio-Pathological Correlation

2021 ◽  
Vol 104 (5) ◽  
pp. 814-817
Keyword(s):  
Breast Cancer ◽  
Risk Factors ◽  
Retrospective Study ◽  
Breast Imaging ◽  
Data System ◽  
University Hospital ◽  
Patient Risk ◽  
Predictive Values ◽  
Common Cancer ◽  
Keywords Breast

Background: Breast cancer is the most common cancer for women, often asymptomatic, and diagnosed from combined screening using mammography and ultrasound. Abnormal findings include microcalcifications with widely variable positive predictive values (PPVs) for malignancy, ranging from 2% to 95%. PPVs for each type of microcalcification are unknown. Objective: To assess PPVs for all abnormal microcalcifications in Breast Imaging Reporting and Data System (BI-RADS) 4 and 5 as seen by mammography. Materials and Methods: The present study was a retrospective study of 62 female patients with abnormal microcalcifications that underwent mammography-guided needle localized excision between September 2011 and December 2018, at Thammasat University Hospital. Results: Of all 72 abnormal microcalcifications, PPVs were coarse heterogeneous 25%, amorphous 37.93%, fine pleomorphic 42.31%, and fine linear or linear branching 33.33%. Conclusion: Abnormal microcalcifications rated BI-RADS 4 or 5 have greatly varying malignancy risks, thus, tissue biopsies should be considered in line with microcalcification morphology and individual patient risk factors. Keywords: Breast cancer, Mammography, Microcalcification, Radio-pathologic correlation, Needle localized excision

scholarly journals Application of a second opinion ultrasound in Breast Imaging Reporting and Data System 4A cases: can immediate biopsy be avoided?

2021 ◽  
Vol 49 (6) ◽  
pp. 030006052110244
Author(s):  
Yantao Cai ◽  
Chenfang Zhu ◽  
Qianqian Chen ◽  
Feng Zhao ◽  
Shanyu Guo
Keyword(s):  
Minimally Invasive ◽  
Predictive Factors ◽  
Breast Imaging ◽  
Protective Factor ◽  
Multivariate Analyses ◽  
Data System ◽  
Second Opinion ◽  
Factors Associated ◽  
Peripheral Location ◽  
Biopsy Rate

Objective The probability of malignancy in women who are diagnosed with a Breast Imaging Reporting and Data System (BI-RADS) 4A score is low. Application of a second opinion ultrasound (SOUS), which is low in cost and minimally invasive, may lower the biopsy rate for patients who fall into this category. This study aimed to apply SOUS to patients with a BI-RADS score of 4A and predict the pathological results of a biopsy. Methods One hundred seventy-eight patients were analyzed. Univariate and multivariate analyses were performed to screen for predictive factors that are associated with malignancy. Categorical alteration of downgraded, unchanged, or upgraded was made after SOUS results. Changes in category were compared with biopsies to determine their predictive value of benignancy or malignancy. Results Independent factors associated with malignancy were age (>50 years), tumor size (≥20 mm), margin (not circumscribed), orientation (not parallel), and peripheral location, and an upgraded categorical alteration from SOUS. Downgraded categorical alterations were associated with benignancy. Conclusions In BI-RADS 4A cases, a biopsy is recommended when independent factors are associated with malignancy. A downgraded result from an SOUS examination is a protective factor, supporting the likelihood of benignancy in these patients.

scholarly journals Epidemiological and clinical characteristics of immunocompromised patients infected with Pneumocystis jirovecii in a twelve-year retrospective study from Norway

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Stine Grønseth ◽  
Tormod Rogne ◽  
Raisa Hannula ◽  
Bjørn Olav Åsvold ◽  
Jan Egil Afset ◽  
...  
Keyword(s):  
Retrospective Study ◽  
Fold Increase ◽  
Epidemiological Data ◽  
Opportunistic Pathogen ◽  
Incidence Rates ◽  
Clinical Findings ◽  
Pneumocystis Jirovecii ◽  
Common Denominator ◽  
Study Population ◽  
Cardinal Symptoms

Abstract Background Pneumocystis pneumonia (PCP) severely menaces modern chemotherapy and immunosuppression. Detailed description of the epidemiology of Pneumocystis jirovecii today is needed to identify candidates for PCP-prophylaxis. Methods We performed a 12-year retrospective study of patients with P. jirovecii detected by polymerase chain reaction in Central Norway. In total, 297 patients were included. Comprehensive biological, clinical and epidemiological data were abstracted from patients’ medical records. Regional incidence rates and testing trends were also assessed. Results From 2007 to 2017 we found a 3.3-fold increase in testing for P. jirovecii accompanied by a 1.8-fold increase in positive results. Simultaneously, regional incidence rates doubled from 5.0 cases per 100,000 person years to 10.8. A majority of the study population had predisposing conditions other than human immunodeficiency virus (HIV). Hematological (36.0%) and solid cancers (25.3%) dominated. Preceding corticosteroids were a common denominator for 72.1%. Most patients (74.4%) presented with at least two cardinal symptoms; cough, dyspnea or fever. Main clinical findings were hypoxia, cytopenias and radiological features consistent with PCP. A total of 88 (29.6%) patients required intensive care and 121 (40.7%) suffered at least one complication. In-hospital mortality was 21.5%. Three patients (1.0%) had received prophylaxis. Conclusions P. jirovecii is re-emerging; likely due to increasing immunosuppressants use. This opportunistic pathogen threatens the life of heterogenous non-HIV immunosuppressed populations currently at growth. Corticosteroids seem to be a major risk factor. A strategy to increase prophylaxis is called for.

scholarly journals Ultrasonographic Monitoring in 38 Dogs with Clinically Suspected Acute Pancreatitis

2020 ◽  
Vol 7 (4) ◽  
pp. 180
Author(s):  
Federico Puccini Leoni ◽  
Tina Pelligra ◽  
Simonetta Citi ◽  
Veronica Marchetti ◽  
Eleonora Gori ◽  
...  
Keyword(s):  
Acute Pancreatitis ◽  
Retrospective Study ◽  
Clinical Examination ◽  
Pancreatic Lipase ◽  
Abdominal Ultrasound ◽  
Diagnostic Evaluation ◽  
Ultrasonographic Diagnosis ◽  
Study Population

Abdominal ultrasound examinations (AUEs) are commonly used in the diagnostic evaluation of canine acute pancreatitis (AP). The purpose of this retrospective study was to evaluate and monitor the ultrasonographic changes observed in dogs with clinically suspected AP on consecutive AUEs. The study population was constituted by 38 client-owned dogs hospitalized for no less than 48 h from January 2016 to December 2019. Dogs included in this study were suspected of AP based on the clinical examination and abnormal rapid specific canine pancreatic lipase test performed at admission. Dogs were submitted to two AUEs, the first on the first day of hospitalization, and the second between 40–52 h after the first one. Twelve dogs had both AUEs suggestive of AP. Fourteen dogs received an ultrasonographic diagnosis of AP exclusively on the second AUE. Twelve dogs remained negative on both the first and the second AUE. In 26 out of 38 patients the second AUE was suggestive of AP. If a patient is suspected of AP, it is advisable to carry out ultrasonographic monitoring at least within the first 52 h after admission, since ultrasonographic signs of AP may only become observable later after hospitalization.

Evidencias y controversias de la categoría 3 del Breast Imaging Reporting and Data System® en enfermedad mamaria

2013 ◽  
Vol 26 (1) ◽  
pp. 18-24
Author(s):  
María Martínez Gálvez ◽  
José Aguilar Jiménez ◽  
Jose Ignacio Gil Izquierdo
Keyword(s):  
Breast Imaging ◽  
Data System
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