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2 results on '"Moraes PC"'

1. Uncommon Atlantoocciptal Localization of Tumoral Calcinosis in a Dog.

Author

de Souza GV, Minto BW, Dias LGGG, Ferreira DRC, and Moraes PC

Subjects
Animals, Cervical Vertebrae diagnostic imaging, Cervical Vertebrae surgery, Dogs, Laminectomy veterinary, Male, Neck, Calcinosis surgery, Calcinosis veterinary, Dog Diseases diagnostic imaging, Dog Diseases surgery, Spinal Cord Compression veterinary
Abstract

A 5-month-old male Rottweiler dog presented with an acute upper motor neuron tetraparesis. A computed tomography study of the cervical spine revealed amorphous mineralization of the soft tissues dorsal to the articular surface of the occipital bone and atlas. The calcification extended into the vertebral canal, causing significant dorsal compression of the spinal cord. Suboccipital craniectomy and partial dorsal atlas laminectomy were performed to remove the extradural calcification. Histopathology was compatible with tumoral calcinosis. Significant clinical improvement was noted in the immediate postoperative period, and there was complete recovery with no recurrence at the last clinical follow-up 15 months postoperatively. Suboccipital craniectomy and partial dorsal atlas laminectomy allowed successful surgical resection of a dorsal craniooccipital tumoral calcinosis in this dog. The decompression resulted in resolution of clinical signs and recurrence is unlikely since there is no underlying disease., (Copyright © 2021 Elsevier Inc. All rights reserved.)

Published
2022
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2. Liver and spleen elastography of dogs affected by brachycephalic obstructive airway syndrome and its correlation with clinical biomarkers.

Author

Facin AC, Uscategui RAR, Maronezi MC, Pavan L, Menezes MP, Montanhim GL, Camacho AA, Feliciano MAR, and Moraes PC

Subjects
Airway Obstruction blood, Airway Obstruction diagnostic imaging, Airway Obstruction etiology, Alanine Transaminase blood, Animals, Case-Control Studies, Craniosynostoses blood, Craniosynostoses complications, Craniosynostoses diagnostic imaging, Dog Diseases blood, Dogs, Elasticity Imaging Techniques, Prospective Studies, Airway Obstruction veterinary, Craniosynostoses veterinary, Dog Diseases diagnostic imaging, Liver diagnostic imaging, Spleen diagnostic imaging
Abstract

The purpose of this study is to determine whether the brachycephalic obstructive airway syndrome (BOAS) is correlated to alterations in liver and spleen elasticity. Forty-eight brachycephalic and 22 mesocephalic dogs were submitted to a BOAS functional assessment, laboratory tests, abdominal ultrasound and liver and spleen Acoustic Radiation Force Impulse (ARFI) elastography. Dogs clinically affected by BOAS had higher values of liver stiffness (p < 0.001) than healthy dogs: medial lobes (1.57 ± 0.37 m/s), left and right lateral lobes (1.54 ± 0.50 m/s, 1.23 ± 0.28 m/s, respectively) and caudate lobe (1.28 ± 0.42 m/s). Compared to the mesocephalic group, the brachycephalic group (BOAS clinically affected and unaffected dogs) had higher spleen (2.51 ± 0.45 m/s; p < 0.001) and liver stiffness (p < 0.001): medial lobes (1.53 ± 0.37 m/s), left and right lateral lobes (1.47 ± 0.47 m/s, 1.20 ± 0.30 m/s, respectively) and caudate lobe (1.23 ± 0.40 m/s). Principal component analysis explained 70% of the variances composed by liver stiffness increase, erythrocytes and alanine aminotransferase reduction. Brachycephalic dogs had higher spleen and liver stiffness and a subacute inflammatory state, which represent another BOAS systemic effect. Consequently, these dogs can be at higher risk of hepatic disorders compared with mesocephalic dogs, similarly to humans affected by sleep apnea syndrome.

Published
2020
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