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All Journal Jurnal Pendidikan Karakter BERKALA FISIKA JURNAL SAINS PERTANIAN EQUATOR JISIP: Jurnal Ilmu Sosial dan Pendidikan Auladuna : Jurnal Prodi Pendidikan Guru Madrasah Ibtidaiyah BENING Fitrah: Jurnal Studi Pendidikan Jurnal Disrupsi Bisnis Guiding World : Jurnal Bimbingan dan Konseling Jurnal Penkomi : Kajian Pendidikan dan Ekonomi Jurnal Bina Pengabdian Kepada Masyarakat Jurnal Ilmiah Mahasiswa Perbankan Syariah (JIMPA) Jurnal Bisnis Mahasiswa Taroa : Jurnal Pengabdian Masyarakat Business Management Jurnal Informatika dan Teknologi Pendidikan JEMARI : Jurnal Edukasi Mahasiswa Sunan Giri Bima COSMOS EBISMA: Jurnal Ekonomi, Bisnis, Manajemen dan Akuntansi
Mulyadin, Mulyadin
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Journal : BERKALA FISIKA

 1 
UJI KESESUAIAN STANDAR NILAI HVL FILTER ALUMINIUM PADA PESAWAT SINAR-X MAMMOGRAFI: STUDI KASUS DI RUANG INSTALASI RADIOLOGI RS. SILOAM MAKASSAR Mutmainna, Azri; Astuty, Sri Dewi; Dewang, Syamsir; Mulyadin, Mulyadin
BERKALA FISIKA Vol 23, No 1 (2020): Berkala Fisika
Publisher : BERKALA FISIKA

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Abstract

The quality control of X-ray radiation in a radiology device plays an important role in determining the clinical use feasibility. The HVL value test of a filter is very important because it determines the effective of X-ray energy. HVL values indicate the thickness of the absorbent material to absorb X-ray intensity up to half of its original intensity. This research is devoted to testing the feasibility of Mammography equipment in the radiology installation room of Siloam Makassar hospital by comparing two methods of determinations the HVL value in the variation of voltage 23, 25, 27, 29, 31 and 33 kVp. The HVL value that determined from direct methods without filters is used as a base value that to be compared with the HVL value which determined by indirect methods through calculations after the addition of aluminum filter thicks to gradually. HVL values by indirect measurements ranged from 0.268−0.401 mmAl, while by direct measurements between 0.291−0.338 mmAl with a deviation between 1.39−7.90%. The results obtained indicate that the HVL value for all X-ray tube voltage variations from the two methods in use still on ranges the tolerance standard so that it can be reported that the X-ray mammography at the Siloam hospital was declared feasible.
PENGARUH FAKTOR EKSPOSI DAN TEBAL FANTOM TERHADAP MEAN GLANDULAR DOSE (MGD) PADA PESAWAT SINAR-X MAMMOGRAFI Rauf, Resmy Aulyah; Astuty, Sri Dewi; Dewang, Syamsir; Mulyadin, Mulyadin
BERKALA FISIKA Vol 23, No 3 (2020): Berkala Fisika
Publisher : BERKALA FISIKA

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Abstract

One of the applications of X rays in diagnostic radiology is mammography. The mammography is  used  for  detecting  abnormalities  in  the  breast  tissue  early  with  the  ability  to  detect microcalcification  (<5  mm).  Unlike  the  conventional  X-ray  and  CT  scanner,  the  clinical mammography  uses  a  low  voltage  <35  kVp,  because  the  properties  of  the  breast  tissue structures are soft and thin. Although the tube voltage source is relatively low, in clinical use, the absorbed dose by patients in the form of mean glandular dose (MGD) must  be lower than the  value  standards  had  been  established  by  the  Nuclear  Energy  Supervisory  Agency (BAPETEN) No.2, 2018, i.e <3 mGy. This study aims to evaluate the effect of variations in the values of the tube voltage, the current-time, and the thickness of the polymethyl-methacrylate (PMMA) phantom on the calculation results of the MGD values. The results obtained showed that  the  mean  MGD  values  for  the  4,5  cm  of  the  phantom  thickness  were  0.077, 0.087,  and 0.093  mGy  (at  4.5  mAs)  and  0.171,  0.194,  and  0.207  mGy  (at  10  mAs),  while  for  the  6  cm phantom thickness obtained 0.103, 0.117, and 0.124 mGy (at 4.5 mAs) and 0.228, 0.259, and 0.276 (at 10 mAs) for all the data to 27, 28, and 29 kVp of tube voltage, respectively. All of the MGD values obtained about between 0.077-0.276 mGy are <3 mGy or still under BAPETEN standards.Keywords: mammography, MGD value, PMMA phantom 
Co-Authors A. Gani, A. Afrianingsih, Nur Ahmad Asrori Aisa, Aisa Akhmad Syahri Amat Jaedun Andi Warisno Anhar Anhar Astuti, Sri Safiati Diana, Rahmat Dinawisma, Nimatul Edy Suroso, Edy Ewan Irawan Fajrin, M Faujan, Sahril Fauzi, Rifki Nurul Furkan Furkan Gafiqi, Abdul Hafidzin, Muhammad Hartanti Hartanti, Hartanti Ida Bagus Putrayasa Ihsan Ihsan Indriani, Irma Ismunandar Jaenab, Jaenab Junaidin, Junaidin Kartin Aprianti Kusumayadi, Firmansyah M.Pd Prof. Dr. I Nyoman Sudiana . Maulidi Maulidi Miratunnisyah, Miratunnisyah Miswarita, Eka Mochammad Imron Awalludin Mubarak, Anhar Mukin, Siti Maryam Mukmin, Amirul Murtafiah, Nurul Hidayati Mutmainna, Azri Nurfarikah, Nurfarikah PURWANTI PURWANTI Rabwan Satriawan Rauf, Resmy Aulyah Saifudin Saifudin Salahudin Salahudin Shutan Arie Shandi Sinta Sari, Ni Made Dainivitri Siti Hajar Siti Patimah Sri Dewi Astuty Ilyas Sri Ernawati Surachman Surachman Syamsir Dewang Trimansyah, Trimansyah Widiastini, Ni Wayan Eka yusup, Firman