scholarly journals Retrospective study of 37 Cavalier King Charles Spaniel dogs diagnosed with Chiari-like malformation and Syringomyelia

2018 ◽  
Vol 2 (3) ◽  
pp. 161-164
Author(s):  
Cătălina Anca Cucoș ◽  
Radu Constantinescu ◽  
Ateș Barut ◽  
Iuliana Ionașcu ◽  
Constantin Vlăgioiu
Keyword(s):  
Magnetic Resonance Imaging ◽  
Spinal Cord ◽  
Magnetic Resonance ◽  
Clinical Signs ◽  
Clinical History ◽  
Imaging Findings ◽  
Resonance Imaging ◽  
Thoracic Spinal Cord ◽  
Cavalier King Charles Spaniel ◽  
Thoracic Spinal

Abstract Chiari-like malformation represents a congenital anomaly that affects the bony cranial base and the hindbrain, leading to fluid filled cavities formation in the spinal cord, condition named Syringomyelia. This paper aims to assess the variety of the clinical signs and to evaluate the magnetic resonance imaging findings in thirty- seven Cavalier King Charles Spaniel dogs. The study was performed over a four-year period, from 2013 to 2017, all cases underwent neurological examination, full diagnostic work-up, including magnetic resonance imaging scans of the brain, cervical and upper thoracic spinal cord. Thirty-seven dogs were included in this study, 23 females and 14 males, with a mean age of 3.6±2.1years. The commonest clinical findings encountered were neuropathic pain and vocalization, seen in all 37 cases, followed by scratching, facial rubbing, paw licking, air licking, tail chasing, seizures and unilateral facial paralysis. Different grades of cerebellar herniation and cervical syrinxes were noted in all cases, other magnetic resonance imaging findings encountered were medullary kinking, presyrinx and ventriculomegaly. In establishing the diagnosis of the Chiari-like malformation and Syringomyelia, the breed, clinical history and the symptomatology are very important, but only magnetic resonance imaging technique can provide quantitative assessment of the nervous system lesions.

scholarly journals Clinical and magnetic resonance imaging findings in 92 cats with clinical signs of spinal cord disease

2009 ◽  
Vol 11 (2) ◽  
pp. 53-59 ◽  
Author(s):  
Rita Gonçalves ◽  
Simon R. Platt ◽  
Francisco J. Llabrés-Díaz ◽  
Katherine H. Rogers ◽  
Alberta de Stefani ◽  
...  
Keyword(s):  
Magnetic Resonance Imaging ◽  
Spinal Cord ◽  
Magnetic Resonance ◽  
Clinical Signs ◽  
Imaging Findings ◽  
Resonance Imaging ◽  
Spinal Cord Disease

Multiple Aneurysms of Thoracic Spinal Cord Arteries Presenting With Spinal Infarction and Subarachnoid Hemorrhage

Neurosurgery ◽  
2012 ◽  
Vol 71 (5) ◽  
pp. E1053-E1058 ◽  
Author(s):  
Kenichi Sato ◽  
Luca Roccatagliata ◽  
Sebastien Depuydt ◽  
Georges Rodesch
Keyword(s):  
Magnetic Resonance Imaging ◽  
Spinal Cord ◽  
Back Pain ◽  
Subarachnoid Hemorrhage ◽  
Magnetic Resonance ◽  
Arterial Aneurysm ◽  
Spinal Angiography ◽  
Resonance Imaging ◽  
Thoracic Spinal Cord ◽  
Thoracic Spinal

Abstract BACKGROUND AND IMPORTANCE: Arterial aneurysms of the spinal cord are rare. Their pathogenesis is variable, and the therapeutic strategies remain controversial, because their natural history is unclear. We report a case of multiple dissecting aneurysms of radiculomedullary and radiculopial arteries presenting with spinal infarction and subarachnoid hemorrhage, which spontaneously resolved. CLINICAL PRESENTATION: A 67-year-old woman was hospitalized owing to sudden onset of severe back pain with discomfort in the lower extremities. Two days later, she again experienced sudden back pain accompanied by paraparesis and sphincter disturbance. Magnetic resonance imaging of the thoracic spinal cord showed 2 intradural masses of heterogeneous intensity at the levels of T-8 and T-10, spinal infarction, and subarachnoid hemorrhage. Spinal angiography revealed a “pearls and strings” aspect of a radiculomedullary artery arising from the left T-11 and a fusiform aneurysm of a radiculopial artery arising from the left T-8. Infectious and immunological evaluations failed to show any anomaly. Spontaneous dissections were suspected. Conservative treatment was proposed, and the patient's clinical course remained uneventful. Follow-up magnetic resonance imaging and spinal angiography performed 2 months after onset showed disappearance of both arterial lesions. CONCLUSION: Arterial dissections of spinal radicular arteries can resolve spontaneously and be managed conservatively. We propose a classification of the pathogenesis of spinal arterial aneurysm to clarify appropriate treatment strategies by a literature review.

Correlation of Postmortem 9.4 Tesla Magnetic Resonance Imaging and Immunohistopathology of the Human Thoracic Spinal Cord 7 Months after Traumatic Cervical Spine Injury

Neurosurgery ◽  
2006 ◽  
Vol 59 (3) ◽  
pp. 671-678 ◽  
Author(s):  
Felix Scholtes ◽  
Peter Adriaensens ◽  
Liesbet Storme ◽  
Armin Buss ◽  
Byron A. Kakulas ◽  
...  
Keyword(s):  
Magnetic Resonance Imaging ◽  
Spinal Cord ◽  
Magnetic Resonance ◽  
Spinal Cord Injuries ◽  
Spine Injury ◽  
Resonance Imaging ◽  
Thoracic Spinal Cord ◽  
Human Spinal Cord ◽  
Thoracic Spinal ◽  
Mri Scans

Abstract OBJECTIVE: To correlate high-resolution magnetic resonance imaging (MRI) with immunohistopathology in the injured human spinal cord. METHODS: Postmortem MRI scans at a field strength of 9.4 T, as well as standard histology and immunohistochemistry, were performed on an excised specimen of human high thoracic spinal cord, obtained 7 months after the initial trauma, several segments below a severe spinal cord lesion (C5). RESULTS: A precise correlation is described between MRI and immunohistochemistry of the long white matter tracts undergoing Wallerian degeneration and of an extension of the cervical lesion into the high thoracic cord. CONCLUSION: MRI, the only imaging technique that currently provides useful information on the spinal cord parenchyma after trauma, is rapidly evolving. High-field scanners of up to 9.4 T are being clinically tested. The present postmortem investigation of an isolated spinal cord specimen demonstrates the precise correlation that can be achieved between imaging and pathology. In future investigations, this type of technique can lead to a more precise description of spinal cord injuries and their consequences in remote tissue. Translation into the clinical setting will improve diagnosis and follow-up of spinal cord injured patients.

scholarly journals Magnetic resonance imaging in HTLV-I associated myelopathy

1993 ◽  
Vol 51 (3) ◽  
pp. 329-332 ◽  
Author(s):  
Aílton Melo ◽  
Luciana Moura ◽  
Solana Rios ◽  
Marcos Machado ◽  
Gersonita Costa
Keyword(s):  
Magnetic Resonance Imaging ◽  
Spinal Cord ◽  
Central Nervous System ◽  
Magnetic Resonance ◽  
Brain Lesions ◽  
Resonance Imaging ◽  
Thoracic Spinal Cord ◽  
Thoracic Spinal ◽  
Brain And Spinal Cord ◽  
The Brain

Magnetic resonance imaging of the brain and spinal cord were carried out for seventeen consecutive patients with HTLV-1 associated myelopathy (HAM). Eight patients had brain abnormalities and four had decreased thoracic spinal cord diameter. Brain lesions were mostly located in subcortical and periventricular areas. Our data suggest that diffuse central nervous system lesions are present in patients with HAM.

Intramedullary spinal cord ganglioglioma presenting as hyperhidrosis: unique symptoms and magnetic resonance imaging findings

2013 ◽  
Vol 18 (2) ◽  
pp. 184-188 ◽  
Author(s):  
Tomohiro Murakami ◽  
Izumi Koyanagi ◽  
Takahisa Kaneko ◽  
Akihiro Yoneta ◽  
Yoshiko Keira ◽  
...  
Keyword(s):  
Magnetic Resonance Imaging ◽  
Spinal Cord ◽  
Magnetic Resonance ◽  
Lower Extremity ◽  
Initial Symptom ◽  
Resonance Imaging ◽  
Thoracic Spinal Cord ◽  
Intramedullary Spinal Cord ◽  
Thoracic Spinal ◽  
The Right

Hyperhidrosis is caused by a sympathetic dysfunction of the central or peripheral nervous system. Intramedullary spinal cord lesions can be a cause of hyperhidrosis. The authors report a rare case of intramedullary thoracic spinal cord ganglioglioma presenting as hyperhidrosis. This 16-year-old boy presented with abnormal sweating on the right side of the neck, chest, and the right arm that had been occurring for 6 years. Neurological examination revealed mild motor weakness of the right lower extremity and slightly decreased sensation in the left lower extremity. Hyperhidrosis was observed in the right C3–T8 dermatomes. Magnetic resonance imaging showed an intramedullary tumor at the right side of the spinal cord at the T2–3 level. The tumor showed partial enhancement after Gd administration. The patient underwent removal of the tumor via hemilaminectomy of T2–3. Only subtotal resection was achieved because the margins of the tumor were unclear. Histopathological examination revealed ganglioglioma. Hyperhidrosis gradually improved after surgery. Hyperhidrosis is a rare clinical manifestation of intramedullary spinal cord tumors, and only a few cases have been reported in the literature. The location of the tumor origin, around the right gray matter of the lateral spinal cord, may account for the hyperhidrosis as the initial symptom in this patient. Physicians should examine the spinal cord using MRI studies when a patient has hyperhidrosis with some motor or sensory symptoms of the extremities.

scholarly journals Primary spinal melanoma: illustrative case

2021 ◽  
Vol 2 (20) ◽  
Author(s):  
Hanna House ◽  
Jacob Archer ◽  
Jamie Bradbury
Keyword(s):  
Magnetic Resonance Imaging ◽  
Spinal Cord ◽  
Differential Diagnosis ◽  
Magnetic Resonance ◽  
Illustrative Case ◽  
Resonance Imaging ◽  
Primary Cutaneous Melanoma ◽  
Thoracic Spinal Cord ◽  
Acute Presentation ◽  
Thoracic Spinal

BACKGROUND Primary spinal melanoma is extremely rare, accounting for ∼1% of all primary melanomas. Typically presenting insidiously in the thoracic spinal cord, primary spinal melanomas can have an acute presentation due to their propensity to hemorrhage. OBSERVATIONS Despite its rarity, primary spinal melanoma should be included in the differential diagnosis when a hemorrhagic pattern of T1 and T2 intensities is seen on magnetic resonance imaging. Furthermore, the complete diagnosis is crucial because the prognosis of a primary spinal melanoma is considerably more favorable than that of a primary cutaneous melanoma with metastatic spread. LESSONS Resection is the treatment of choice, with some authors advocating for postoperative chemotherapy, immunotherapy, and/or radiation. We describe a case of acute quadriplegia from hemorrhagic primary spinal melanoma requiring resection.

scholarly journals Magnetic resonance imaging in a lamb with compression of the thoracic spinal cord by an abscess

2016 ◽  
Vol 158 (8) ◽  
pp. 573-577
Author(s):  
U Braun ◽  
J Suarez ◽  
S Gasparini ◽  
S Warislohner ◽  
M Dennler
Keyword(s):  
Magnetic Resonance Imaging ◽  
Spinal Cord ◽  
Magnetic Resonance ◽  
Resonance Imaging ◽  
Thoracic Spinal Cord ◽  
Thoracic Spinal

scholarly journals Changes of Dorsal Root Ganglion Volume in Dogs with Clinical Signs of Degenerative Myelopathy Detected by Water-Excitation Magnetic Resonance Imaging

Animals ◽  
2021 ◽  
Vol 11 (6) ◽  
pp. 1702
Author(s):  
Eiji Naito ◽  
Kohei Nakata ◽  
Yukiko Nakano ◽  
Yuta Nozue ◽  
Shintaro Kimura ◽  
...  
Keyword(s):  
Magnetic Resonance Imaging ◽  
Spinal Cord ◽  
Magnetic Resonance ◽  
Clinical Signs ◽  
Intervertebral Disc Herniation ◽  
Resonance Imaging ◽  
Diagnostic Potential ◽  
Water Excitation ◽  
Spinal Cord Segment ◽  
Degenerative Myelopathy

Canine degenerative myelopathy (DM) is a progressive and fatal neurodegenerative disease. However, a definitive diagnosis of DM can only be achieved by postmortem histopathological examination of the spinal cord. The purpose of this study was to investigate whether the volumetry of DRG using the ability of water-excitation magnetic resonance imaging (MRI) to visualize the DRG in dogs has premortem diagnostic value for DM. Eight dogs with DM, twenty-four dogs with intervertebral disc herniation (IVDH), and eight control dogs were scanned using a 3.0-tesla MRI system, and water-excitation images were obtained to visualize and measure the volume of DRG, normalized by body surface area. The normalized mean DRG volume between each spinal cord segment and mean volume of all DRG between T8 and L2 in the DM group was significantly lower than that in the control and the IVDH groups (P = 0.011, P = 0.002, respectively). There were no correlations within the normalized mean DRG volume between DM stage 1 and stage 4 (rs = 0.312, P = 0.128, respectively). In conclusion, DRG volumetry by the water-excitation MRI provides a non-invasive and quantitative assessment of neurodegeneration in DRG and may have diagnostic potential for DM.

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