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ANALISIS PERBANDINGAN KUALITAS CITRA PADA PEMERIKSAAN MRI ELBOW JOINT POTONGAN CORONAL SEQUENCE PROTON DENSITY FAT SATURATION MENGGUNAKAN COIL SURFLEX DAN COIL KNEE
BACHELOR OF APPLIED SCIENCE PROGRAMrnIMAGING RADIOLOGY TECHNOLOGY STUDY PROGRAMrnRADIODIAGNOSTICS AND RADIOTHERAPY DEPARTMENTrnHEALTH POLYTECHNIC OF HEALTH MINISTRYrnJAKARTA IIrnTHESIS 2025 rnSRI VIVI NOVITA SARI BR GINTINGrnrnCOMPARATIVE ANALYSIS OF IMAGE QUALITY IN ELBOW JOINT MRI EXAMINA-TIONSrnCORONAL PROTON DENSITY FAT-SATURATED SEQUENCErnUSING A SURFLEX COIL AND A KNEE COILrnrnFive Chapters, 52 Pages, 11 Figures, 7 Tables, and 14 AppendicesrnrnResearch Background: This research focuses on radiofrequency coil selection in elbow joint MRI examination. The elbow joint is the second most congruent joint in the human body in terms of the correlation between anatomical structures and pathological conditions, particularly in the cases of tennis elbow. This research focuses specifically on coil selection in elbow joint MRI examinations, as the type of coil used has a significant impact on image quality. Ideally, a dedi-cated elbow coil should be used for MRI examinations of the elbow joint; however, in several hospitals, knee coils and Surflex coils are commonly utilized as alternatives. Differences in coil positioning relative to the object being examined are considered an important factor that may influence image quality. Furthermore, because MRI examinations require relatively long acquisi-tion times, the patient comfort is an important consideration in coil selection.rnResearch Objective: This research aims to determine the differences in image quality in elbow joint MRI examinations using a Surflex coil and a knee coil, and to evaluate which coil produces the optimal image quality.rnResearch Design: This research was undertaken at Pertamina Central Hospital from November to December 2025. The research employed a descriptive quantitative method using an experi-mental approach and involved five volunteers. Each volunteer underwent two elbow joint MRI examinations using a Philips Ingenia 3T MRI system, with coronal proton density fat-saturated sequences. Image quality assessment was performed by five respondents (one radiologist and four radiographers) using a five-point Likert scale. The image quality assessment criteria includ-ed contrast, anatomical sharpness, spatial resolution, and homogeneity. Subsequently, data pro-cessing and analysis were performed using SPSS software version 27. While, mean values were then calculated, and the Wilcoxon test was applied for data that were not normally distributed.rnResearch Results: As the result, this research demonstrated that there is an agreement among the evaluators, indicating statistically significant differences between the use of the Surflex coil and the knee coil across all elbow joint anatomical structures. In terms of anatomical sharpness, the Surflex coil achieved a higher mean score (4.60) compared with the knee coil (4.24), with a p-value 0.005. For spatial resolution, the Surflex coil also showed a higher mean score (4.48) than the knee coil (4.20), with a p-value 0.005. In contrast, for homogeneity, the Surflex coil demonstrated a lower mean score (3.52) compared with the knee coil (4.24), with a p-value 0.005. Based on these findings, it can be concluded that there are statistically significant differ-ences in the image quality between the use of the Surflex coil and the knee coil in elbow joint MRI examinations.rnrnKeywords : MRI of the Elbow Joint, Surflex Coil, Knee Coil, Image Quality
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