PENGARUH DIAMETER PHANTOM DAN TEBAL SLICE TERHADAP NILAI CTDI PADA PEMERIKSAAN MENGGUNAKAN CT-SCAN

Authors

  • Dinda Dyesti Aprilyanti Jurusan Fisika Universitas Andalas
  • Dian Milvita Jurusan Fisika Universitas Andalas
  • Heru Prasetio Jurusan Fisika Universitas Andalas
  • Helfi Yuliati Jurusan Fisika Universitas Andalas

DOI:

https://doi.org/10.25077/jfu.2.2.%25p.2013

Abstract

Telah dilakukan penelitian mengenai pengaruh diameter phantom dan tebal slice terhadap nilai CTDI pada pemeriksaan menggunakan CT-Scan. CTDI merupakan metode yang digunakan untuk menghitung jumlah dosis radiasi yang diterima oleh pasien akibat pemeriksaan menggunakan CT-Scan. Penelitian dilakukan dengan pengambilan data CTDI pada phantom menggunakan detektor Unfors Xi Set dan pengambilan data CTDI pada pasien yang terdiri dari 15 orang pasien. Hasil penelitian menunjukkan bahwa (1) semakin besar diameter phantom dan tebal slice yang digunakan maka semakin kecil nilai CTDI yang dihasilkan, begitu juga sebaliknya. (2) Nilai CTDI yang diterima phantom pada posisi detektor arah jam 12, 9 dan 3 lebih besar dari nilai CTDI pada posisi detektor arah jam 6 dan posisi pusat. (3) Nilai CTDI pada phantom lebih kecil dari nilai CTDI berdasarkan SK-BAPETEN No. 01-P/Ka-BAPETEN/I-03. (4) Nilai CTDI pada phantom lebih besar dari nilai CTDI pada pasien, tetapi keduanya masih berada di bawah nilai batas dosis yang direkomendasikan oleh BAPETEN.

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Published

2013-08-02

How to Cite

Aprilyanti, D. D., Milvita, D., Prasetio, H., & Yuliati, H. (2013). PENGARUH DIAMETER PHANTOM DAN TEBAL SLICE TERHADAP NILAI CTDI PADA PEMERIKSAAN MENGGUNAKAN CT-SCAN. Jurnal Fisika Unand, 2(2). https://doi.org/10.25077/jfu.2.2.%p.2013

Issue

Vol. 2 No. 2: April 2013

Section

Articles

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Copyright (c) 2013 Dinda Dyesti Aprilyanti, Dian Milvita, Heru Prasetio, Helfi Yuliati

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