Analisis Keluaran Berkas Radiasi Sinar-X Pesawat Terapi LINAC Berdasarkan TRS 398 IAEA Pada Fantom Air Di Instalasi Radioterapi RS Universitas Andalas

Authors

  • Dian Milvita Jurusan Fisika, FMIPA, Universitas Andalas, Kampus Unand, Limau Manis, Padang, 25163., Indonesia
  • Alimin Mahyudin Jurusan Fisika, FMIPA, Universitas Andalas, Kampus Unand, Limau Manis, Padang, 25163., Indonesia
  • Mona Vadila Jurusan Fisika, FMIPA, Universitas Andalas, Kampus Unand, Limau Manis, Padang, 25163., Indonesia

DOI:

https://doi.org/10.25077/jif.10.2.83-88.2018

Abstract

Telah dilakukan penelitian tentang analisis keluaran berkas sinar-X pesawat terapi linear acceleration (LINAC) pada fantom air.  Analisis ini bertujuan untuk mengetahui kondisi pesawat terapi LINAC selama digunakan dengan mengacu pada nilai 1 cGy sama dengan 1 MU.  Penelitian dilakukan dengan cara menganalisis muatan yang ditangkap oleh detektor ionisasi chamber dengan faktor koreksi suhu, tekanan, efek polaritas dan rekombinasi ion.  Penelitian dilakukan dengan variasi energi 6 MV dan 10 MV dengan ukuran luas lapangan penyinaran (10 x 10) cm dan teknik penyinaran Source to Surface Distance (SSD) 100 cm. Hasil analisis menunjukkan bahwa pada berkas sinar-X energi 6 MV dan 10 MV didapatkan nilai keluaran per 1 MU sebesar 1,026 cGy dan 1,025 cGy dengan deviasi pengukuran 2,60 % dan 2,56 %, nilai ini masih berada dalam rentang toleransi pengukuran yaitu ± 3 %.  Dengan demikian, keluaran berkas radiasi sinar-X pesawat terapi LINAC di Rumah Sakit Universitas Andalas (RS Unand) telah sesuai standar TRS 398 IAEA.

Kata kunci: berkas sinar-X, fantom air, LINAC, RS Unand

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Published

2018-10-22

How to Cite

Milvita, D., Mahyudin, A., & Vadila, M. (2018). Analisis Keluaran Berkas Radiasi Sinar-X Pesawat Terapi LINAC Berdasarkan TRS 398 IAEA Pada Fantom Air Di Instalasi Radioterapi RS Universitas Andalas. JURNAL ILMU FISIKA, 10(2), 83–88. https://doi.org/10.25077/jif.10.2.83-88.2018

Issue

Vol. 10 No. 2 (2018): September 2018

Section

Research Article

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