Verifikasi Luas Lapangan Radiasi penyinaran Linac Tipe Clinac CX Terintegrasi Electronic Portal Imaging Device (EPID) Menggunakan Teknik IMRT Di RSP Universitas Andalas

Authors

  • Bagus Sidik Waskito Hadi Jurusan Fisika, FMIPA, Universitas Andalas
  • Dian Milvita Jurusan Fisika, FMIPA, Universitas Andalas

DOI:

https://doi.org/10.25077/jfu.7.4.334-338.2018

Abstract

Telah dilakukan penelitian untuk memverifikasi luas lapangan radiasi penyinaran pesawat Linac tipe Clinac CX terintegrasi EPID dengan teknik IMRT. Verifikasi ini bertujuan untuk mengetahui kondisi pesawat Linac yang dimiliki oleh RSP Universitas Andalas. Pesawat Linac adalah alat terapi radiasi eksternal yang digunakan untuk mengobati penyakit kanker. Electronic Portal Imaging Device (EPID) adalah perangkat tambahan yang terintegrasikan pada perangkat Linac dan digunakan untuk  verifikasi dosis radiasi penyinaran. Intensity Modulated Radiation Therapy (IMRT) merupakan teknik radioterapi yang menggunakan banyak lapangan radiasi dalam penyinarannya.  Penelitian menggunakan Multi Cube sebagai pengganti tubuh pasien.  Variasi luas lapangan yang digunakan pada penelitian ini adalah lapangan  persegi   (5 x 5)  cm2 sampai (29 x 29) cm2 dengan interval 2 cm dan dengan  energi berkas foton 6 MV dan 10 MV.  Hasil verifikasi luas lapangan radiasi penyinaran menunjukkan hubungan yang linear antara MU penyinaran Linac dan Luas lapangan radiasi untuk energi 6 MV dengan nilai R2 sebesar 0,9362 dan energi 10 MV dengan nilai R2 sebesar 0,9213.  Verifikasi luas lapangan menunjukkan semakin besar luas lapangan radiasi, maka semakin besar pula MU penyinaran Linac yang digunakan. Hal ini menunjukkan bahwa Linac tipe Clinac CX milik rumah sakit Universitas Andalas berada dalam kondisi baik dan dapat digunakan untuk mengobati pasien penyakit kanker.

Kata kunci: Electronic Portal Imaging Device (EPID),  Intensity Modulated Radiation Therapy (IMRT), Linac,  Multi Cube.

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Published

2018-10-01

Issue

Vol. 7 No. 4 (2018)

Section

Articles

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Copyright (c) 2018 Bagus Sidik Waskito Hadi, Dian Milvita

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