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Anak Agung Ngurah Gunawan

Publications (11)

Assessment of Cancer Risk in Organs of the Abdominopelvic Region from Computed Tomography (CT) Scan Radiation

Ida Bagus Made Suryatika, I Gusti Agung Ayu Ratnawati, Anak Agung Ngurah Gunawan, Komang Tri Suandayani, I Gusti Putu Gede Oktar Mahardika & Ida Bagus Surya Wibawa · Asian Journal of Medicine and Health · 2025

Aims: The research aims to determine and analyze the effective dose value received by the patient's abdominopelvic from CT-scan radiation, determine the effective dose value of several organs at risk around the abdominopelvic organ, conduct a cancer potential test on the abdomino...

Open access Research Article 10.9734/ajmah/2025/v23i91294

Assessment of Cancer Risk from Fluorscopic Bile Duct Examinations at Sanjiwani Hospital, Gianyar

Gusti Widhi Ratih Saraswati, Ni Nyoman Ratini, Anak Agung Ngurah Gunawan, I Nengah Sandi, I Gusti Ayu Ratnawati & Ida Bagus Alit Paramarta · Asian Journal of Medicine and Health · 2025

Aim: Study on the Assessment of Cancer Risk from Fluoroscopic Bile Duct Examinations at Sanjiwani Hospital, Gianyar the aim is to determine the magnitude of the effective dose received by bile duct patients during fluoroscopic, to determine whether there is a difference between m...

Open access Research Article 10.9734/ajmah/2025/v23i71272

Prediction of Radiotherapy Dose Distribution for Glioblastoma Using Convolutional Neural Network Model

Ni Made Dian Rani, Ni Nyoman Ratini, Anak Agung Ngurah Gunawan, Gusti Ngurah Sutapa, Hery Suyanto & I Gde Antha Kasmawan · Asian Journal of Medicine and Health · 2025

Aims: This study aims to predict radiotherapy dose distribution for glioblastoma patients using Machine Learning with a Convolutional Neural Network (CNN) model. Study Design:  This research used an experimental design with a quantitative approach to predict radiotherapy dose dis...

Open access Research Article 10.9734/ajmah/2025/v23i41198

Wedge Filter Variation on Wedge Factor in Patients Cancer Breast in Sub Installation Radiotherapy RSUP Prof. Dr. I.G.N.G Ngoerah

Ni Putu Divananda Purwaningrum, Ni Nyoman Ratini, Anak Agung Ngurah Gunawan, Ni Kadek Nova Anggarani, I. Gusti Agung Putra Adnyana & I. Gde Antha Kasmawan · Asian Journal of Medicine and Health · 2023

The aim of the study was to determine the effect of irradiation time, the percentage of the maximum dose, the distribution of doses at the center point, and the wedge factor on wedge filter variations. The research method uses a wedge filter to measure irradiation time, maximum d...

Open access Research Article 10.9734/ajmah/2023/v21i10898

Monitoring Beta and Gamma Radiation Exposure Rates at Nuclear Medicine Installation of Bali Mandara Regional Hospital

Radhya Elyana Alghaitsa, Ida Bagus Made Suryatika, Bunawas, Gusti Ngurah Sutapa, Anak Agung Ngurah Gunawan & Putu Suardana · Asian Journal of Medicine and Health · 2025

Aims: To knowing the values of gamma radiation exposure rate, to knowing the values of beta radiation exposure rate, and to comparing the monitoring results of gamma radiation exposure rate and beta radiation exposure rate with BAPETEN regulation number 17 of 2012 article 33. Pla...

Open access Research Article 10.9734/ajmah/2025/v23i71273

Analysis of Radiation Dose Distribution and Organs at Risk in Breast Cancer Using Intensity Modulated Radiation Therapy Technique on A Linear Accelerator at RSUP Prof. Dr. I.G.N.G. Ngoerah

Luqyana Latifa, Ni Nyoman Ratini, I. Wayan Balik Sudarsana, Ida Bagus Made Suryatika, I. Gusti Ayu Ratnawati, Anak Agung Ngurah Gunawan & Rozi Irhas · Asian Journal of Medicine and Health · 2023

The aim of the study was to analyze the radiation dose distribution in breast cancer cases using IMRT techniques on a LINAC equipment, specifically examining the Conformity Index (CI), Homogeneity Index (HI), and radiation dose distribution to the OAR, including lungs and heart o...

Open access Research Article 10.9734/ajmah/2023/v21i8840

Comparison of Effective Radiation Dose in CT Scan Abdomen Examination of Male and Female Patients with IndoseCT Application

Noferlianus Hulu, Ni Nyoman Ratini, I Gusti Agung Widagda, Gusti Ngurah Sutapa, I Gde Antha Kasmawan, I Made Yuliara & Anak Agung Ngurah Gunawan · Asian Journal of Medicine and Health · 2025

Aim: This study aims to compare the effective dose of radiation in abdominal CT scan examination of male and female patients using IndoseCT version 20.b application. The focus of the study is on abdominal CT scans of adult male and female patients. Study Design: This study used a...

Open access Research Article 10.9734/ajmah/2025/v23i41200

Effect of Variation Number of Excitation (NEX) Parameter on the Quality Image of Magnetic Resonance Imaging Genu on T2 Weighted Image Sequence at Bali Mandara Regional General Hospital, Indonesia

Ni Putu Sri Wulan Ningsih, Ni Nyoman Ratini, I Gusti Agung Widagda, Ni Kadek Nova Anggarani, Ni Luh Putu Trisnawati, Komang Ngurah Suarbawa & Anak Agung Ngurah Gunawan · Asian Journal of Medicine and Health · 2025

Aim: Study on the effect of NEX parameter variations on image quality in T2WI sequences on genu MRI images aims to determine the effect of Number of Excitation (NEX) variations on image quality which is influenced by scanning time and Signal to Noise Ratio (SNR) and determine the...

Open access Research Article 10.9734/ajmah/2025/v23i41199

Analysis of TE Variations on SNR and CNR Values in Lumbar MRI T2WI Sequences at Bali Mandara Regional General Hospital

Ida Ayu Gede Vidya Pratiwi, Gusti Ngurah Sutapa, Ida Bagus Alit Paramarta, Ida Bagus Made Suryatika, Nyoman Wendri, I Putu Tedy Indrayana & Anak Agung Ngurah Gunawan · Asian Journal of Medicine and Health · 2025

Aim: This study aims to evaluate the effect of echo time (TE) variation on MRI image quality, which is measured using Signal to Noise Ratio (SNR) and Contrast to Noise Ratio (CNR). The focus of the study was on lumbar MRI examinations at RSUD Bali Mandara using a Philips 1.5 Tesl...

Open access Research Article 10.9734/ajmah/2025/v23i21170

Compliance Test of Percentage Depth Dose (PDD) Using LINAC Machine Brand Electa Precise against American Association of Physicists in Medicine (AAPM) PDD with Electron Beam Energy Variation at Radiotherapy Installation RSUP Prof. Ngoerah in Denpasar

Naumi Paramita Putri Monicasari, Ni Nyoman Ratini, I. Wayan Balik Sudarsana, Ida Bagus Made Suryatika, Ir. Putu Suardana, I. Gusti Agung Widagda, Anak Agung Ngurah Gunawan & Rozi Irhas · Asian Journal of Medicine and Health · 2023

The purpose of the study was to determine the value of PDD against energy variations in the electron beam using the Elekta Precise Brand LINAC aircraft, and to determine the suitability of the PDD value against energy variations in the electron beam with the standards set by AAPM...

Open access Research Article 10.9734/ajmah/2023/v21i10897

Analysis of Radiation Dose Distribution in Nasopharyngeal and Organ Cancer Cases at Risk with Linear Accelerator Radiotherapy 6 MV Photon Energy Using the IMRT Technique at Prof. Hospital. Dr. I. G. N. G. Ngoerah

Safitri Rahmaniyah, Ni Nyoman Ratini, I. Wayan Balik Sudarsana, Ida Bagus Made Suryatika, Komang Ngurah Suarbawa, I. Nengah Artawan, Anak Agung Ngurah Gunawan & Rozi Irhas · Asian Journal of Medicine and Health · 2023

This study aims to determine the distribution of radiation doses on PTV and OAR radioteraphy planning in RSUP. Prof. Dr. I.G.N.G Ngoerah, Bali, Indonesia does no exceed a predetermined limit. The research metode used is the value of Homogenity Index (H), Conformity Index (CI), an...

Open access Research Article 10.9734/ajmah/2023/v21i8838