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| Unknown | 1994-03-02 | 1.4 KB |
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| Confidence | Program | Detection | Match Type | Support
|
|---|
| 100%
| file
| StarOffice Gallery theme g%01�%02>%04Magn, 1667855461 objects, 1st nance Imaging (MRI) is a valuable diagnostic technique that provides the neurosurgeon high quality cross-sectional images of b
| default (weak)
| |
| 99%
| file
| data
| default
| |
| 100%
| xdgMime
| image/x-tga
| default
| |
| 100%
| ffprobeID
| Electronic Arts cdata (ea_cdata)
| default (weak)
|
|
hex view+--------+-------------------------+-------------------------+--------+--------+
|00000000| 04 00 0a 00 67 01 cd 02 | 3e 04 4d 61 67 6e 65 74 |....g...|>.Magnet|
|00000010| 69 63 20 52 65 73 6f 6e | 61 6e 63 65 20 49 6d 61 |ic Reson|ance Ima|
|00000020| 67 69 6e 67 20 28 4d 52 | 49 29 20 69 73 20 61 20 |ging (MR|I) is a |
|00000030| 76 61 6c 75 61 62 6c 65 | 20 64 69 61 67 6e 6f 73 |valuable| diagnos|
|00000040| 74 69 63 20 74 65 63 68 | 6e 69 71 75 65 20 74 68 |tic tech|nique th|
|00000050| 61 74 20 70 72 6f 76 69 | 64 65 73 20 74 68 65 20 |at provi|des the |
|00000060| 6e 65 75 72 6f 73 75 72 | 67 65 6f 6e 20 68 69 67 |neurosur|geon hig|
|00000070| 68 20 71 75 61 6c 69 74 | 79 20 63 72 6f 73 73 2d |h qualit|y cross-|
|00000080| 73 65 63 74 69 6f 6e 61 | 6c 20 69 6d 61 67 65 73 |sectiona|l images|
|00000090| 20 6f 66 20 62 72 61 69 | 6e 20 73 74 72 75 63 74 | of brai|n struct|
|000000a0| 75 72 65 73 2e 20 54 68 | 65 20 69 6d 61 67 65 73 |ures. Th|e images|
|000000b0| 20 70 72 6f 64 75 63 65 | 64 20 62 79 20 4d 52 49 | produce|d by MRI|
|000000c0| 20 73 63 61 6e 73 20 64 | 6f 20 6e 6f 74 20 65 6d | scans d|o not em|
|000000d0| 70 6c 6f 79 20 74 68 65 | 20 75 73 65 20 6f 66 20 |ploy the| use of |
|000000e0| 58 2d 72 61 79 73 20 6f | 72 20 6f 74 68 65 72 20 |X-rays o|r other |
|000000f0| 72 61 64 69 61 74 69 6f | 6e 2e 20 57 68 69 6c 65 |radiatio|n. While|
|00000100| 20 73 69 6d 69 6c 61 72 | 20 74 6f 20 43 41 54 20 | similar| to CAT |
|00000110| 73 63 61 6e 73 2c 20 74 | 68 65 20 4d 52 49 20 73 |scans, t|he MRI s|
|00000120| 63 61 6e 20 75 73 75 61 | 6c 6c 79 20 67 69 76 65 |can usua|lly give|
|00000130| 73 20 67 72 65 61 74 65 | 72 20 63 6f 6e 74 72 61 |s greate|r contra|
|00000140| 73 74 20 62 65 74 77 65 | 65 6e 20 6e 6f 72 6d 61 |st betwe|en norma|
|00000150| 6c 20 61 6e 64 20 61 62 | 6e 6f 72 6d 61 6c 20 74 |l and ab|normal t|
|00000160| 69 73 73 75 65 2e 00 44 | 75 72 69 6e 67 20 69 6d |issue..D|uring im|
|00000170| 61 67 69 6e 67 2c 20 70 | 61 74 69 65 6e 74 73 20 |aging, p|atients |
|00000180| 61 72 65 20 65 78 70 6f | 73 65 64 20 74 6f 20 73 |are expo|sed to s|
|00000190| 68 6f 72 74 20 62 75 72 | 73 74 73 20 6f 66 20 61 |hort bur|sts of a|
|000001a0| 20 70 6f 77 65 72 66 75 | 6c 20 6d 61 67 6e 65 74 | powerfu|l magnet|
|000001b0| 69 63 20 66 69 65 6c 64 | 2e 20 54 68 65 20 6e 75 |ic field|. The nu|
|000001c0| 63 6c 65 69 20 28 70 72 | 6f 74 6f 6e 73 29 20 6f |clei (pr|otons) o|
|000001d0| 66 20 74 68 65 20 62 6f | 64 79 27 73 20 68 79 64 |f the bo|dy's hyd|
|000001e0| 72 6f 67 65 6e 20 61 74 | 6f 6d 73 20 74 68 65 6e |rogen at|oms then|
|000001f0| 20 6c 69 6e 65 20 75 70 | 20 69 6e 20 70 61 72 61 | line up| in para|
|00000200| 6c 6c 65 6c 20 74 6f 20 | 65 61 63 68 20 6f 74 68 |llel to |each oth|
|00000210| 65 72 20 61 73 20 6f 70 | 70 6f 73 65 64 20 74 6f |er as op|posed to|
|00000220| 20 74 68 65 20 6e 6f 72 | 6d 61 6c 20 72 61 6e 64 | the nor|mal rand|
|00000230| 6f 6d 20 61 72 72 61 6e | 67 65 6d 65 6e 74 2e 20 |om arran|gement. |
|00000240| 57 68 65 6e 20 74 68 65 | 79 20 61 72 65 20 6b 6e |When the|y are kn|
|00000250| 6f 63 6b 65 64 20 6f 75 | 74 20 6f 66 20 61 6c 69 |ocked ou|t of ali|
|00000260| 67 6e 6d 65 6e 74 20 62 | 79 20 61 20 73 74 72 6f |gnment b|y a stro|
|00000270| 6e 67 20 70 75 6c 73 65 | 20 6f 66 20 72 61 64 69 |ng pulse| of radi|
|00000280| 6f 20 77 61 76 65 73 2c | 20 74 68 65 79 20 72 65 |o waves,| they re|
|00000290| 74 75 72 6e 20 61 20 64 | 65 74 65 63 74 61 62 6c |turn a d|etectabl|
|000002a0| 65 20 72 61 64 69 6f 20 | 73 69 67 6e 61 6c 20 61 |e radio |signal a|
|000002b0| 73 20 74 68 65 79 20 66 | 61 6c 6c 20 62 61 63 6b |s they f|all back|
|000002c0| 20 69 6e 74 6f 20 70 6c | 61 63 65 2e 00 54 68 65 | into pl|ace..The|
|000002d0| 20 63 6f 6d 70 75 74 65 | 72 20 69 6e 74 65 72 70 | compute|r interp|
|000002e0| 72 65 74 73 20 74 68 65 | 73 65 20 73 69 67 6e 61 |rets the|se signa|
|000002f0| 6c 73 20 62 79 20 74 68 | 65 20 76 61 72 79 69 6e |ls by th|e varyin|
|00000300| 67 20 73 74 72 65 6e 67 | 74 68 20 72 65 74 75 72 |g streng|th retur|
|00000310| 6e 65 64 20 62 79 20 64 | 69 66 66 65 72 65 6e 74 |ned by d|ifferent|
|00000320| 20 62 6f 64 79 20 74 69 | 73 73 75 65 73 20 61 6e | body ti|ssues an|
|00000330| 64 20 63 6f 6e 76 65 72 | 74 20 74 68 65 20 69 6e |d conver|t the in|
|00000340| 66 6f 72 6d 61 74 69 6f | 6e 20 69 6e 74 6f 20 61 |formatio|n into a|
|00000350| 20 68 69 67 68 20 71 75 | 61 6c 69 74 79 20 69 6d | high qu|ality im|
|00000360| 61 67 65 2e 20 42 65 63 | 61 75 73 65 20 6f 66 20 |age. Bec|ause of |
|00000370| 74 68 65 20 73 74 72 6f | 6e 67 20 6d 61 67 6e 65 |the stro|ng magne|
|00000380| 74 69 63 20 66 69 65 6c | 64 20 69 6e 76 6f 6c 76 |tic fiel|d involv|
|00000390| 65 64 2c 20 70 61 74 69 | 65 6e 74 73 20 66 69 74 |ed, pati|ents fit|
|000003a0| 74 65 64 20 77 69 74 68 | 20 61 20 70 61 63 65 6d |ted with| a pacem|
|000003b0| 61 6b 65 72 20 6f 72 20 | 6f 74 68 65 72 20 65 6c |aker or |other el|
|000003c0| 65 63 74 72 69 63 61 6c | 20 64 65 76 69 63 65 73 |ectrical| devices|
|000003d0| 20 73 68 6f 75 6c 64 20 | 6e 6f 74 20 75 6e 64 65 | should |not unde|
|000003e0| 72 67 6f 20 4d 52 49 20 | 73 63 61 6e 73 2e 20 54 |rgo MRI |scans. T|
|000003f0| 68 65 20 43 41 54 20 73 | 63 61 6e 20 73 68 6f 75 |he CAT s|can shou|
|00000400| 6c 64 20 62 65 20 75 73 | 65 64 20 69 6e 73 74 65 |ld be us|ed inste|
|00000410| 61 64 2e 20 54 68 65 72 | 65 20 61 72 65 20 6e 6f |ad. Ther|e are no|
|00000420| 20 6f 74 68 65 72 20 6b | 6e 6f 77 6e 20 61 64 76 | other k|nown adv|
|00000430| 65 72 73 65 20 65 66 66 | 65 63 74 73 2e 00 4d 52 |erse eff|ects..MR|
|00000440| 49 20 73 63 61 6e 73 20 | 61 72 65 20 70 61 72 74 |I scans |are part|
|00000450| 69 63 75 6c 61 72 6c 79 | 20 76 61 6c 75 61 62 6c |icularly| valuabl|
|00000460| 65 20 69 6e 20 73 74 75 | 64 79 69 6e 67 20 74 68 |e in stu|dying th|
|00000470| 65 20 62 72 61 69 6e 20 | 61 6e 64 20 73 70 69 6e |e brain |and spin|
|00000480| 61 6c 20 63 6f 72 64 2e | 20 54 68 69 73 20 74 65 |al cord.| This te|
|00000490| 63 68 6e 69 71 75 65 20 | 72 65 76 65 61 6c 73 20 |chnique |reveals |
|000004a0| 74 75 6d 6f 72 73 20 76 | 69 76 69 64 6c 79 2c 20 |tumors v|ividly, |
|000004b0| 69 6e 64 69 63 61 74 69 | 6e 67 20 74 68 65 69 72 |indicati|ng their|
|000004c0| 20 70 72 65 63 69 73 65 | 20 65 78 74 65 6e 74 2e | precise| extent.|
|000004d0| 20 4d 52 49 20 73 63 61 | 6e 73 20 61 6c 73 6f 20 | MRI sca|ns also |
|000004e0| 67 69 76 65 20 64 65 74 | 61 69 6c 65 64 20 69 6d |give det|ailed im|
|000004f0| 61 67 65 73 20 6f 66 20 | 76 65 73 73 65 6c 73 20 |ages of |vessels |
|00000500| 61 6e 64 20 74 68 75 73 | 20 72 65 76 65 61 6c 20 |and thus| reveal |
|00000510| 61 6e 65 75 72 79 73 6d | 73 20 28 75 6e 6c 65 73 |aneurysm|s (unles|
|00000520| 73 20 62 6c 65 65 64 69 | 6e 67 20 69 73 20 73 6d |s bleedi|ng is sm|
|00000530| 61 6c 6c 29 2c 20 68 65 | 6d 61 74 6f 6d 61 73 20 |all), he|matomas |
|00000540| 28 73 68 6f 77 69 6e 67 | 20 63 6c 6f 74 74 69 6e |(showing| clottin|
|00000550| 67 20 61 6e 64 20 73 6b | 75 6c 6c 20 69 6e 64 65 |g and sk|ull inde|
|00000560| 6e 74 61 74 69 6f 6e 29 | 2c 20 61 6e 64 20 62 72 |ntation)|, and br|
|00000570| 61 69 6e 20 64 61 6d 61 | 67 65 20 64 75 65 20 74 |ain dama|ge due t|
|00000580| 6f 20 69 6e 66 61 72 63 | 74 69 6f 6e 73 2e 00 72 |o infarc|tions..r|
+--------+-------------------------+-------------------------+--------+--------+
