The Performance of Elastographic Diagnostic of Breast Tumor in Dr. Soetomo Teaching Hospital Surabaya
Keywords:Breast Tumor, Elestography Score, Strain Breast Tumor, Elestography Score, Strain
Background: Elastography in breast cancer cases has not become a routine examination that is conducted
in the radiodiagnostic unit in Dr. Soetomo Teaching Hospital Surabaya. These last few years, elastography
has been an addition examination modality which is promising to assess breast lesions that are detected
byan ultrasound. Objective: The aim of the present study is to observe the performance of elastography in
breast tumor cases. Method: This cross-sectional study was conducted in Dr. Soetomo Teaching Hospital
Surabaya. The elastography is applied in 65 females (the average age is 49,1 years old) and it was found
66 lesions with a definitive diagnosis (34 benign tumors, 32 malignant tumors) which was proved through
a fine-needle aspiration biopsy. The grayscale result is classified into benign and malignant categorizations
with examining five descriptors including shape, margin, orientation, echo pattern, and posterior features.
Results: The elastography score showed that the sensitivity is 87,5 %, the specificity is 94,1 %, and the
accuracy is 90,9 % The stain ratio showed 93,8 %, 94,1 %, 90,9 % in sequence. On the other hand, the
grayscale result showed 96,9 %, 91,2 %, and 95,5 %. The combination of elastography and grayscale showed
a better performancewith the 97,1% of sensitivity, 94,1 % of specificity, and 93,8 % of accuracy. There was
a significant correlation between the lesion size and the quality of elastography result (P = .034) while there
was no correlation with the lesion depth (P = .624). Conslusion: The combination of elastography and
grayscale have a better diagnostic performance in distinguishing benign breast tumor with malignant breast
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