Accuracy of the International Academy of Cytology Yokohama system of breast cytology reporting for fine needle aspiration biopsy of the breast in a dedicated breast care setting

被引:16
|
作者
Agarwal, Akansha [1 ,2 ]
Singh, Divya [1 ,2 ]
Mehan, Anoushika [1 ,2 ]
Paul, Pranoy [1 ,2 ]
Puri, Neeti [1 ,2 ]
Gupta, Priyanka [1 ,3 ]
Syed, Anjum [1 ,3 ]
Rao, Shalinee [1 ,2 ]
Chowdhury, Nilotpal [1 ,2 ]
Ravi, Bina [1 ,4 ]
机构
[1] All India Inst Med Sci, Integrated Breast Care Ctr, Rishikesh, India
[2] All India Inst Med Sci, Dept Pathol & Lab Med, Rishikesh 249203, India
[3] All India Inst Med Sci, Dept Radiodiag, Rishikesh, India
[4] All India Inst Med Sci, Dept Surg, Rishikesh, India
关键词
IAC; Yokohama system; breast; diagnostic accuracy; fine needle aspiration; fine needle biopsy; DIAGNOSIS; LESIONS; CYTOPATHOLOGY; CANCER; PERFORMANCE; CATEGORIES; FNAC;
D O I
10.1002/dc.24632
中图分类号
R446 [实验室诊断]; R-33 [实验医学、医学实验];
学科分类号
1001 ;
摘要
Background The International Academy of Cytology (IAC) Yokohama system is a recently proposed system for reporting breast cytology by fine needle aspiration biopsies (FNAB). Multiple studies are needed to confirm the risk of malignancy (ROM) of the various reporting categories of this system. The present article studies the accuracy of the IAC Yokohama system in our center. Methods Over a period of 1 year (September 2018-August 2019), all cases of breast masses assessed by FNAB and histological correlation were studied retrospectively. Sensitivity, specificity, negative predictive value (NPV) and positive predictive value (PPV) and overall accuracy of the IAC Yokohama system for diagnosing malignancy were assessed. The rates of malignancy (ROM) of each diagnostic category were also estimated. Results Three hundred and twenty-one FNABs had cyto-histological correlation. The percent sensitivity (with 95% Confidence Intervals) when the atypical, suspicious of malignancy and the malignant categories were regarded as positive for malignancy were 98.2% [95.5%, 99.5%], 96.0% [92.5%, 98.2%], and 86.7% [81.5%, 90.8%] respectively. The percent specificity (with 95% Confidence intervals) for the same categories in the same order were 59.5% [47.4%, 70.7%], 91.9% [83.2%, 97.0%], and 100% [95.1%, 100%] respectively. The area under curve (AUC) for diagnosing malignancy was 0.981[0.963, 0.993]. The ROM for the benign, atypical, suspicious of malignancy and malignant category were 8.3% [2.3%, 20.0%], 17.2% [5.8%, 35.8%], 77.8% [57.7%, 91.4%], and 100% [98.1%, 100%] respectively. Conclusion The IAC Yokohama system is suitable for accurately reporting breast lesions on FNAB.
引用
收藏
页码:195 / 202
页数:8
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