mri at utcvm the first months presentation by: silke hecht, dr. med. vet., dacvr, decvdi assistant...
TRANSCRIPT
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MRI at UTCVMThe First Months
Presentation by:Silke Hecht, Dr. med. vet., DACVR, DECVDIAssistant Professor Radiology
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Delivery and Hook-Up 04-04-08
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MRI Setup
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MRI Setup
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MRI Setup
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MRI Setup
Now we needed volunteers to test the system and establish imaging parameters…
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The First “Volunteer”
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The First “Volunteer”
Normal Thoracolumbar Spine
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The First Clinical Patient
7-year-old MC Weimaraner One year long history of bilateral
hind limb weakness that had progressively worsened
Recent onset seizures Plan: MRI brain
+/- MRI lumbar spine
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Neurologists eagerly awaiting results of the first scan
The First Clinical Patient
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Intracranial contrast-enhancing massPresumptive diagnosis: Cystic meningioma
The First Clinical Patient
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Other Patients
1-year-old M Mastiff Wobbly in hind limbs since birth,
progressive Hind limb paresis except when
on prednisone Plan: MRI thoracolumbar spine
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T2
FLAIR
Diagnosis: Arachnoid cyst T 12/13Good recovery after surgery
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7-year old Shi Tsu with neck painDiagnosis: Intervertebral disc extrusion C3/4; Incidental finding of a brain cyst (“quadrigeminal cistern cyst”)Good recovery after surgery
More Neurology Patients
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The First Orthopedic Patient
Partial rupture of the cranial cruciate ligament, degenerative joint disease, subchondral sclerosis and cyst
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The First Oncology Patient
9-year old American Bulldog; Known MCT on backMRI performed to evaluate marginsAdditional smaller mass found unexpectedly
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Arguably the cutest patient… Approximately 4 month old Black
Bear (8 lb) Brought in from Appalachian
Bear Center Blindness, running in circles Plan: MRI brain
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Diagnosis: Congenital dilation of lateral ventricles (Hydrocephalus)
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More Exotics – From Large…
2-year old F TigerAtaxiaNormal brain MRI
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More Exotics – … to small
Rabbit, few months old1 month history of seizuresNormal limited brain MRI
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Initial Large Animal Experience 4 month old Potbellied Pig Fever (105°F) and rear leg
weakness Plan: MRI lumbar spine
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Imaging Diagnosis: Diffusely contrast enhancing areas in epaxial muscles -> Muscle biopsy: Myofiber necrosis and degeneration with secondary inflammation and regenerationDdx: nutritional (white muscle disease), toxic, neurogenic, infectious or ischemic
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STAY TUNED!