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MRI SCAN KNEE AND SPINE FOR FCPS EXAMINATION
- 1. MRI SCAN: KNEE AND SPINE FOR FCPS-II EXAMINATION DR. MUZAFAR HUSSAIN BURIRO FELLOW ORTHOPAEDIC SURGERY 6th December, 2020
- 2. DISCLAIMER “I AM AN ORTHOPOD AND I AM NOT A RADIOLOGIST !” Only for learning purpose
- 3. A Radiologist’s Perspective: “EYES SEE ONLY WHAT MIND KNOWS”.
- 4. LEARNING OBJECTIVES Basic Terminology READING AN MRI KNEE READING AN MRI SPINE Spreading the knowledge
- 5. BASIC TERMINOLOGY SCOUT FILM TE= TIME TO ECHO TR= TIME TO REPEATATION T1 WEIGHTED IMAGE T2 WEIGHED IMAGE PD PROTON DENSITY IMAGE FAT SUPPRESION SEQUENCES: i. STIR: Short Tau Inversion Recovery ii. FAT SAT= FAT SATURATION
- 7. Scout Film: 1st reference film at the superior corner of an MRI scan/film. TE:=TIME TO ECHO: When a second radiofrequency pulse is applied after the first one is turned off, the time duration b/w the 1st wave and the echo formation is termed TE: Reference Value: 60 TR=Time to Repetition: Time between beginning of pulse sequence and the beginning of the succeeding pulse sequence Reference Value: 1000
- 8. T1 WEIGHED IMAGE: 1 structure bright(fat) TR<1000 TE<60 IMPORTANCE: ANATOMY T2 WEIGHED IMAGE: 2 structures bright (Fat&Fluid) TR>1000 TE>60 IMPORTANCE: PATHOLOGY PD Proton Density Weighted Image TR>1000 TE<60 IMPORTANCE: BETTER VISUALIZATION OF PATHOLOGY
- 9. FAT SUPPRESION SEQUENCES: STIR AND FAT SATURATION IMAGES: Can be applied to T1, T2 and PD weighed images IMPORTNCE: USED TO IMPROVE TISSUE CONTRAST BY SUPPRESSING THE RESPONSE FROM HYDROGEN CONTAINING FAT TISSUE(mostlyCH2) COMPARED TO WATER(H2O)CONTAINING TISSUE.
- 11. MRI: KNEE
- 29. MCL
- 45. TB SPINE: MRI FINDINGS
- 56. I wish you best of luck Regards: DR. MUZAFAR HUSSAIN BURIRO FELLOW ORTHOPAEDIC SURGERY