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VERG Brooklyn

196 4th Ave
Brooklyn, NY 11217

(718) 522–9400

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AmbuVet | 1 (800) 262-8838 | www.ambuvet.com

If you are in need of emergency pet transportation please contact AmbuVet. AmbuVet is our first choice for emergency pet transportation and is the only service in New York City that operates 24/7. AmbuVet is equipped to transport all types of ill pets and will make sure your pet is as comfortable as possible and surrounded by highly trained staff.

X
VERG Brooklyn

196 4th Ave
Brooklyn, NY 11217

(718) 522–9400

Get Directions
AmbuVet | 1 (800) 262-8838 | www.ambuvet.com

If you are in need of emergency pet transportation please contact AmbuVet. AmbuVet is our first choice for emergency pet transportation and is the only service in New York City that operates 24/7. AmbuVet is equipped to transport all types of ill pets and will make sure your pet is as comfortable as possible and surrounded by highly trained staff.

MRI Applications

MRI Applications

MRI Applications

Magnetic Resonance Imaging (MRI)

An Overview of the Applications for Small Animal Veterinary Practice


What are the indications for use?

Spinal Disease
Imaging of spinal disease has traditionally relied upon plain radiography and almost invariably, myelography.  The latter can be a time consuming and technically demanding procedure for some specialists with some risk of post study complications (e.g. seizures) or non-diagnostic studies (e.g. due to diffuse cord swelling).  MRI allows for rapid localization and characterization of spinal lesions, with negligible risks.

 

Intracranial Disease
MRI is currently the best way of imaging intracranial disease, as it is not impeded by the bone of the cranial vault and it provides superior detail of soft tissue structures compared with CT-scans.  This makes it invaluable for the diagnosis of brain tumors.

While relatively uncommon in small animals, the incidence of CNS neoplasia has probably been under-diagnosed historically, due to lack of appropriate imaging facilities.  In some cases, long term remission can be achieved by surgical removal/debulking or radiotherapy.  In addition, we have found that many clients appreciate a definitive diagnosis, and thus accurate prognosis in such cases, even if they elect not to proceed with further treatment.

Furthermore, ruling out intracranial space occupying lesions early can help direct other diagnostic and therapeutic efforts.

 

Epilepsy
Primary epilepsy usually starts early in life, but can occur at any age.  Given that late-onset epilepsy is also treatable with anti-convulsants, it is important to rule out neoplastic/inflammatory disease in the older patient.  Ideally, all cases presenting with altered mentation or seizures, irrespective of age, would receive a brain scan to rule out underlying disease as part of a thorough work-up.

 

Nasal Disease
Radiography and endoscopy with cytology or biopsy are currently the mainstay of diagnosis in chronic nasal discharge, epistaxis, and sneezing.  However, cytology has a low sensitivity for intra-nasal neoplasia; biopsies may be non-diagnostic (often due to non-representative sampling of associated inflammatory tissue); radiography is non-specific and does not delineate soft tissue masses clearly; and rhinoscopy can be hampered by lack of access to the entire nasal cavity and a field of view impeded by debris, discharge, and hemorrhage.

Historically, many cases of intranasal disease have only been diagnosed by exploratory rhinotomy – inherently an invasive procedure.  MRI will evaluate the nature of abnormal soft tissue and determine the extent of the lesion, including any involvement of adjacent structures.  It is therefore useful in the diagnosis of tumors, foreign bodies, and fungal disease.

 

Orbital Disease
MRI is superior to radiography, which is only helpful in cases where neoplastic disease extends markedly beyond the orbit, and ultrasonography, which can give both false positive and false negative diagnoses for neoplastic masses.  MRI is recommended for patients in which radiography and ultrasonography fail to produce a confident diagnosis, or for which surgery is proposed.

 

Other Soft Tissues
MRI shows some promise in characterizing hepatic, splenic, renal, and pelvic lesions.  The difficulty with this is the time required to achieve a scan, which can mean that abdominal movement leads to respiratory blur.  As new protocols are devised, such complications may be avoided.

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