Skripsi
ANALISIS PERBEDAAN CITRA MRI SHOULDER CORONAL STIR DAN FAT SAT DI RS BHAYANGKARA TK I PUSDOKKES POLRI
ABSTRACTrnrnBACHELOR OF APPLIED SCIENCE PROGRAMrnIMAGING RADIOLOGY TECHNOLOGY STUDY PROGRAM rnRADIODIAGNOSTICS AND RADIOTHERAPY DEPARTMENTrnHEALTH POLYTECHNIC OF HEALTH MINISTRY rnJAKARTA IIrnTHESIS, 2025rnSUN PRIONOrnrnANALYSIS OF IMAGE DIFFERENCES BETWEEN CORONAL SHOULDER MRI USING STIR AND FAT-SATURATED SEQUENCES UNDERTAKEN AT BHAYANGKARA HOSPITAL LEVEL I OF INDONESIAN NATIONAL POLICE MEDICAL AND HEALTH CENTRErnrnV Chapters + 63 Pages + 21 Figures + 4 Tables + 13 AppendicesrnrnIn routine clinical practice, Magnetic Resonance Imaging (MRI) examination of the shoulder is widely used to evaluate the soft tissue structures in the patients presenting with musculoskeletal complaints. In this context, coronal STIR and T2 fat-saturated (Fat Sat) sequences are commonly employed, as each has distinct characteristics in visualizing anatomical structures and soft tissue abnormalities. STIR sequences are more sensitive to fluid and oedema, whereas Fat Sat sequences provide high anatomical clarity with selective fat suppression. In relation to which, this research aims to analyse the MRI shoulder examination technique using coronal STIR and T2 Fat Sat sequences and to evaluate the image quality produced by each sequence.rnAs for the research, it applied a qualitative method with descriptive approach undertaken at Radiology Department of Bhayangkara Hospital Level I of Indonesian National Police Medical and Health Centre starting from November up to December 2025. While the sample consisted of 10 patients who met the inclusion criteria. Thereafter, the data were then collected through among the other things direct observation of the examination procedures, image quality assessment by one radiologist and two radiographers, and MRI image documentation. Research instruments included observation sheets, evaluation forms for anatomy, sharpness, and artifacts, as well as image documentation. Data analysis was performed using categorization and descriptive narrative methods.rnThe results of the reserach indicate that the MRI examination technique was performed in accordance with the standard operating procedure, including the patient preparation, protocol selection, and scanning. The T2 Fat Sat sequence demonstrated superior anatomical boundary sharpness, particularly in the supraspinatus, infraspinatus, and subscapularis tendons, as well as the glenoid labrum contour. The STIR sequence exhibited high sensitivity to pathological fluid and oedema, with stable image homogeneity and greater resistance to fat suppression inhomogeneity. Both sequences have distinct advantages and complement each other in providing diagnostic information during shoulder MRI examinations.rnrnKeywords : Shoulder MRI, STIR, T2 Fat Saturation, Soft Tissue, Image QualityrnReferences : 53 sources (2016–2024)
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