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The Weight Bearing Difference
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The Weight Bearing Difference | Case Studies | Machine Comparisons | Home

CASE STUDY COMPARISONS

The following studies were exams done on the same patient in both the recumbent and upright positions. The evidence displayed on these exams show the relevence of the upright mri technology and can clearly display the difference between the two types of exams to the untrained eye.


Case Study 1
Severe Spondylolisthesis

The imaging center that evaluated this
patient recommended she be scanned
in an Upright™ MRI due to the
possibility that an Upright™ scan, unlike
the conventional recumbent scan, is
weight-bearing and "might uncover
something."

The patient was scanned in the patented
FONAR Upright™ MRI. Both Upright™ and recumbent scans were performed on her in the multi-position FONAR Upright™ MRI.

The recumbent MRI (left image) exhibited only a normal lumbar lordotic curve and a modest bulge of the L3-4 intervertebral disc, consistent with her prior recumbent MRI scans. The FONAR Upright™ scan (right image) revealed, however, a marked position-dependent subluxation (anterolisthesis) at L3-4 and an accompanying spinal stenosis that were not visible on the recumbent MRI.

The patient's Upright™ images established that there was a genuine physical basis for her symptoms, whereas her recumbent MRI images had failed to do so.

 

Case Study 2
Upright Dynamic MRI Reveals Hidden Disc Herniation

The axial standing-extension gradient
echo image (right) demonstrates a focal
posterior disc herniation at the C4/5 level
not visible on the recumbent scan. Note
the associated spinal cord compression
on the standing-extension scan.

 

 

 

Case Study 3
BLADDER and UTERINE PROLAPSE


The recumbent scan (9A) demonstrates no evidence of bladder or uterine prolapse and shows the levator sling is parallel to [and partially obscured by] the pubococygeal line. Note the decent of the bladder and uterus relative to the pubococygeal line which occurs with standing (9B) and is accentuated in the standing-straining view (9C). Note the levator sling (arrow) is oblique and non-parallel to the line when standing (9B), and straightens further when straining (9C).

 

Case Study 4
Posttraumatic Transient Spinal Cord Injury

Following a violent body check, a professional ice hockey player experienced a sudden total quadraparesis that paralyzed him during play for a full minute. The upright flexion and extension images showed two centromedullary cord contusions where only one was visible on the neutral upright scan. The two contusions accounted for the quadraparesis that caused his sudden transient paralysis on the ice while playing.

The critically compromising stenosis at C 3-4, visualized only by means of the FONAR Upright™ MRI extension images in this athlete with a congenitally tight spinal canal, was responsible for the acute cord compression and centromedullary contusions that resulted in the acute transient paralysis (1 minute duration) of this athlete. His lesions were visible only on upright extension.

Following anterior decompression and interbody fusion with a composite cage, this hockey player, who might otherwise have had his professional athletic career terminated, was back on the ice competing, 3 months after surgery.

 

 

Sioux Falls Open Upright MRI, LLC
6001 S. Sharon Ave. Ste. #7 | Phone: 605.275.5743 | Fax: 605.271.2235

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