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All Journal Jurnal Riset Kesehatan
Rini Indrati
(SCOPUS ID: 57205131571), Dept. of Radiodiagnostic and Radiotheraphy, Poltekkes Kemenkes Semarang
Health Professions

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RADIATION DOSE AND ANATOMICAL INFORMATION IN SACRUM BONE EXAMINATION WITH AP AND AXIAL AP PROJECTIONS Rini Indrati; Siti Daryati; Dewi Kartikasari; Sri Mulyati; Marichatul Jannah
Jurnal Riset Kesehatan Vol 10, No 1 (2021): MAY 2021
Publisher : Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (573.967 KB) | DOI: 10.31983/jrk.v10i1.6777

Abstract

The projections for the sacrum are axial anteroposterior with the beam 15 degrees toward the cephalad, and axial posteroanterior in the direction of the beam 15 degrees caudally. Some practitioners take steps to examine the sacrum with AP projections in a perpendicular beam direction. Around the sacrum are reproductive organs that are sensitive to radiation, so it is necessary to select the right projection to reduce the radiation dose and show clear anatomical information. This study aims to determine the projection of an examination that produces clear anatomical information at a minimal dose. This is an experimental study with one shot post-test only. Samples in the form of radiographs were obtained from perpendicular AP and axial AP projections assessed by radiologists regarding the clarity of anatomical information. The radiation dose was measured using TLD on the ovaries and gonads. Data were analyzed by t-test and Wilcoxon test with an error level of 5%. The AP axial projection shows better anatomical information than the perpendicular AP projection. The axial AP projection shows a smaller dose of the ovaries and gonads. There is a difference in anatomical information between AP and axial AP projections with a p-value = 0.017. There was a difference in radiation dose between AP and axial AP projections on the right ovary (p-value = 0.002), left ovary (p-value less than 0.001) and gonads (p-value = 0.008).
DIFFERENCE OF THE IMAGE INFORMATION AXIAL PELVIC MRI USING DIFFUSION WEIGHTED IMAGE SEQUENCE WITH THE VARIATION OF B VALUE IN CERVICAL CANCER Rini Indrati; Distyarini Primadita; Widiana Ferriastuti; Marichatul Jannah; Sri Mulyati; Siti Daryati
Jurnal Riset Kesehatan Vol 8, No 2 (2019): NOVEMBER 2019
Publisher : Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (203.584 KB) | DOI: 10.31983/jrk.v8i2.5446

Abstract

Cervical cancer is the second most common type of cancer worldwide, it is reaching 15% of all kind of cancer in women. There are several ways to diagnose cervical cancer, one of them is an MRI. One of the MRI sequences which can perform the pathology of cervical cancer is Diffusion-Weighted Image. The aim of this research is to find out the anatomical differences between axial slice image of Pelvic MRI which is using DWI sequence with the variation of b value in the case of cervical cancer, and also to reveal the optimal b value to obtain the image of Pelvic MRI which is using DWI sequence in the case of cervical cancer. The method of this research is experimental with the comparison of static groups. Data is 30 images of axial DWI Pelvic MRI from 10 patients in the case of cervical cancer with 3 different variations of b value, which are 600 s/mm2, 800 s/mm2, and 1000 s/mm2. Assessment of information image data done by the radiologist. Data analysis by Friedman and Wilcoxon Test. The result showed that there are differences of image information between axial Pelvic MRI which is using the DWI sequence with the variation of b value in the case of cervical cancer with a significant p-value less than 0.001. Differences in image information occur in the tumor, expansion of tumor, parametrium until the pelvic wall and lymph. The optimal use of b value for axial Pelvic MRI with DWI sequence in the case of cervical cancer is 600 s/mm2.
Co-Authors Dewi Kartikasari Distyarini Primadita Jannah, Marichatul Siti Daryati Siti Daryati Sri Mulyati Sri Mulyati Widiana Ferriastuti