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All Journal Jurnal Riset Rumpun Ilmu Kedokteran (JURRIKE) International Journal Of Health And Social Behavior
Eva Maulidiana Hikmah
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Health Professions Medicine & Pharmacology Nursing Public Health Veterinary

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PERANAN SEQUENCE SWI (SUSCEPTIBILITY WEIGHTED IMAGING) PADA PEMERIKSAAN MRI BRAIN KLINIS PARKINSON Eva Maulidiana Hikmah; I Putu Eka Juliantara; Nadra
JURNAL RISET RUMPUN ILMU KEDOKTERAN Vol. 2 No. 2 (2023): Oktober :Jurnal Riset Rumpun Ilmu Kedokteran
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurrike.v2i2.1628

Abstract

The Role of SWI (Susceptibility Weighted Imaging) Sequence in Clinical Parkinson’s MRI Brain Imaging. Magnetic Resonance Imaging (MRI) is a technique for imaging body crossings based on the principle of magnetic resonance of hydrogen atoms. Brain MRI examination aims to see anatomy and abnormalities within the brain to establish clinical diagnosis, pathological abnormalities, tumors, and surrounding abnormalities. Imaging examinations are also conducted to find other causes of Parkinsonism. Head MRI is one of the non-invasive examinations performed to help confirm the diagnosis of Parkinson's disease. This study aims to determine the procedure for Brain MRI examination with Parkinson's clinical and to determine the sequence information SWI (Susceptibility Weighted Imaging) can establish clinical diagnosis of Parkinson's. This study is qualitative descriptive with a case study approach. The subject consists of three patients with clinical Parkinson's. All subjects performed MRI brain 3 tesla examinations to determine the procedure and sequence information used. The research results were obtained according to the theory using an additional 2 mm sequence, while in the field using 0.9 mm sequence the examination was conducted using the head coil of the patient's position, namely supine, head first. Sequences used in field inspections are AAHead Scout, t1 fl2d transversal, t2 tse (time spin echo) dark fluid transversal, t2 tse (time spin echo) transversal, ep2d diff (diffusion) 4scan trace, asl 3d transversal, tof cs carotids, flow pc3d MRV (magnetic resonance venography), tof brain MRA (magnetic resonance angiography), t2 swi (susceptibility weighted imaging) 3d transversal 0.9 mm. The thin axial sequence of 0.9 mm is more likely to see Parkinson's anatomical abnormalities, higher SNR and better spatial resolution than using a 2 mm slice thickness.
Image Segmentation Markers in Diffusion Weighted Imaging (DWI) of MRCP Using Low and High B-Values for Diagnos-tic Assessment Eva Maulidiana Hikmah; Leny Latifah; Luh Putu E. Santi M.
International Journal of Health and Social Behavior Vol. 2 No. 3 (2025): August: International Journal of Health and Social Behavior
Publisher : Asosiasi Riset Ilmu Kesehatan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62951/ijhsb.v2i3.508

Abstract

Magnetic Resonance Cholangio Pancreatography (MRCP) is an important non-invasive imaging technique for the diagnosis of abnormalities in the biliary and pancreatic systems, including pancreatic mass and colletiasis. The use of an additional sequence of Diffusion Weighted Imaging (DWI) with b-value variations and image segmentation is thought to improve the accuracy of mass limit measurements on MRCP checks. This study aims to analyze the effect of b-value variation and image segmentation on the additional sequence of DWI in the MRCP examination of the accuracy of the mass limit measurement. The research used quantitative methods with MRCP image data capture equipped with a DWI sequence with b-value variations, using the matlab method. Image segmentation is performed to identify mass boundaries. Measurement accuracy is analyzed and compared between the variation in b-value and the segmentation techniques used. Research results show that variation of b-value 800 and image segmentation in additional DWI sequences have a significant effect on the improvement of accuracy of mass limit measurement on MRCP examinations. The b-value 800 variation is more optimal than the b-value 50 and the appropriate segmentation method can clarify the mass limit so that it supports a more accurate diagnosis. Sequence variations in b-value and image segmentation in the additional DWI sequences in MRCP examinations play an important role in improving the accuracy of mass limit measurements, which can aid in the diagnosis and management of diseases especially in lesion cases.
Co-Authors I Putu Eka Juliantara Leny Latifah Luh Putu E. Santi M. Nadra