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Variasi Parameter Filed of View (FoV) terhadap Nilai Signal to Noise Ratio (SNR) Dan Contras to Noise Ratio (CNR) pada Pemeriksaan Lumbal Dengan Potongan Axial Zofi Dwi Prihatini; Ni Nyoman Ratini; I Putu Tedy Indrayana; Gusti Ngurah Sutapa; I Wayan Supardi; I Gde Antha Kasmawan
Kappa Journal Vol 9 No 3 (2025): Kappa Journal
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/kpj.v9i3.33351

Abstract

Magnetic Resonance Imaging (MRI) is widely used to evaluate spinal pathology, with image quality strongly influenced by acquisition parameters such as the Field of View (FOV). This study investigates the effect of small FOV adjustments on the Signal-to-Noise Ratio (SNR) and Contrast-to-Noise Ratio (CNR) in axial T2-weighted Fast Spin Echo (FSE) lumbar spine MRI. This study offers one of the quantitative evaluations of clinically realistic FOV variations, addressing a gap between routine protocol adjustments and evidence-based image quality optimization. This experimental study prospectively examined thirty patients undergoing routine lumbar spine MRI using a Philips Ingenia CX 1.5T system. Axial T2-weighted FSE images were acquired with three FOV settings (170 mm × 170 mm, 190 mm × 190 mm, and 210 mm × 210 mm), while all other imaging parameters were kept constant. Image quality was assessed by measuring mean signal intensities in standardized regions of interest (ROIs) placed in the intervertebral disc, cerebrospinal fluid (CSF), and surrounding fat tissue, from which SNR and CNR were calculated and statistically compared across FOV settings. The results showed increasing trends in SNR and CNR with larger FOV values; however, these differences were not statistically significant (p > 0.05), indicating that small FOV enlargements produce minimal voxel size changes and negligible effects on image quality. Clinically, these findings suggest that minor FOV adjustments can be safely applied to accommodate patient anatomy or positioning without compromising image quality, while larger FOV changes are required to achieve meaningful improvements in SNR and CNR.
Co-Authors A. A. Ngurah Gunawan A. A. Ngurah Gunawan Ade Nisa Dali Sinaga Ade Rama Ditya Arsana Karang Adnyana, I Gusti Agung Putra Agnes Maria Salvi Anastasia Victor Anastasia Jessing Gamalita Mberato Artawan, I Nengah Asril Hanzani Aulia Nur Aisah Ayu Ratnawati, I Gusti Agung Balik Sudarsana Br Ginting, Venesia Sesilia Chasbas Putra Tamba Choirul Anam AM Diponegoro Cory Amelia Djarwani Soejoko Eka Saputra Else Putri Ayu Prameswari Elshaday S.B Siregar Farah Sukmana Gde Ari Mas Janudinata Hendra Setiawan Hery Suyanto Huki, Pascalia Agno Marina I Dewa Ayu Sintiya Biantari I Gde Antha Asmawan I Gde Antha Asmawan I Gde Antha Kasmawan I Gusti Agung Ayu Ratnawati I Gusti Agung Ngurah Ari Kusuma Putra I Ketut Putra I Ketut putra, I Ketut I Made Gede Mas Prawistya Putra I Made Hendra Hadinata I Made Raditya Anandika Putra I Made Yuliara I Nengah Artawan I Nengah Sandi I Nengah Sandi I Nengah Simpen I Nyoman Pranditayana I Nyoman Yosua I Putu Surya Dharma Negara I Putu Tedy Indrayana I Putu Tedy Indrayana I Putu Wesa Angga Jaya I Wayan Balik Sudarsana I Wayan Balik Sudarsana I Wayan Balik Sudarsana I Wayan Balik Sudarsana I Wayan Balik Sudarsana I Wayan Balik Sudarsana I Wayan Balik Sudarsana I Wayan Balik Sudarsana I Wayan Gede Suharta I Wayan Putu Sutirta Yasa I Wayan Supardi I. B. Alit Paramarta I. G. Antha Kasmawan I. M. Yuliara I. M. Yuliara I.M. Yuliara Ida Ayu Putu Aristia Hutami Ida Bagus Alit Paramarta Ida Bagus Alit Paramartha Ida Bagus Made Suryatika Ida Bagus Putra Manuaba Ida Bagus Putu Priastana Bawa Ida Bagus Suryatika Johanes J. Silalahi Kadek Miniati Kadek Sumaja Kadek Yuda Astina Ketut Putra Komang Ngurah Suarbawa M. Zully Amrul Hadi Made Yuliara Maghfirottul Iffah Mega Wahyu N. L. P. Trisnawati Nabilla Fatimah Nathaniel Marcellino Nengah Sandi NEVIATY PUTRI ZAMANI Ni Kadek Ayu Asari Dewi Ni Kadek Nova Anggarani Ni Komang Tri Suandayani Ni Komang Tri Suandayani Ni Komang Tri Suandayani Ni Luh Putu Trisnawati Ni Luh Putu Trisnawati NI LUH WIDYASARI Ni Made Purmita Sari Ni Nyoman Ratini Ni Nyoman Rupiasih Ni Nyoman, Ratini Ni Putu Aprillia Artanti Phalosa Ni Putu Pande Anita Yulianti Ni Putu Winiayu Veramika Ni Putu Yuni Nurmalasari Ni Putu Yuni Nurmalasari Ni Wayan Ekayani Nurfaizah Nurfaizah Nyoman Wendri Paranditayana, I Nyoman Poniman, S. Pranditayana, I Nyoman Prayuda, I Made Ardi Putu Gede Agus Krisna Yogantara Putu Suardana Ramadan Purnama, Muhammad Mada Retianingsih Oeta Ulan Romadhon Ilham Imani Rozi Irhas Rozi Irhas Rozi Irhas Rozi Irhas Rozi Irhas Rozy Irhaz Sanjaya Natadiredja Sari, Kamelin Diah Satriya Wibawa, I Made Setiono, Made Budi Suandayani, Ni Komang Tri Sudarsan, I Wayan Balik Sudarsana, I Wayan Balik Sukarasa, I Ketut Sylvia Ariska Susanti Titik Purwanti Tjahyo Baskoro, Winardi Trisnawati, Ni Luh Putu Wayan Balik Sudarsana Wayan Balik Sudarsana Wayan Balik Sudarsana Wayan Balik Sudarsana Widiana, I Komang Widianingsih, Ni Kadek Indah Widya Karulina Imanda Muhamad Winer Johan Bora Yohana Dian Savitri Yuli Asri Yuliara, I Made Zofi Dwi Prihatini