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1.
Can Vet J ; 65(5): 437-442, 2024 May.
Article in English | MEDLINE | ID: mdl-38694740

ABSTRACT

A young miniature poodle was presented following blunt force trauma to the head. The dog initially responded well to medical management before developing clinical signs associated with increased intracranial pressure 48 h post-injury that became refractory to hyperosmolar therapy. A computed tomography scan obtained 76 h post-injury showed a short, oblique, non-displaced, complete fissure in the right temporal bone and a second short, oblique, non-displaced, complete fissure in the ventral aspect of the temporal bone. A biconvex, moderately hyperattenuating, space-occupying temporoparietal lesion was visualized immediately adjacent to the area of the temporal fractures. These findings were consistent with a diagnosis of intracranial extradural hematoma. Decompressive craniectomy successfully evacuated the extradural hematoma to alleviate increased intracranial pressure. The dog's neurologic function recovered quickly postoperatively. At follow-up physical examinations at 14 and 437 d, excellent return to function was noted. Key clinical message: This report describes the diagnosis and surgical management of an intracranial extradural hematoma in a dog with increased intracranial pressure refractory to medical management. Furthermore, this report describes the diagnostic imaging findings used to diagnose this particular form of primary brain injury.


Chirurgie de craniectomie décompressive chez un chien présentant un hématome extradural intracrânien à la suite d'un traumatisme contondant. Un jeune caniche miniature a été présenté à la suite d'un traumatisme contondant à la tête. Le chien a initialement bien répondu à la prise en charge médicale avant de développer des signes cliniques associés à une augmentation de la pression intracrânienne 48 heures après la blessure, qui sont devenus réfractaires au traitement hyperosmolaire. Une tomodensitométrie obtenue 76 heures après la blessure a montré une fissure complète courte, oblique, non déplacée dans l'os temporal droit et une deuxième fissure complète courte, oblique, non déplacée dans la face ventrale de l'os temporal. Une lésion temporo-pariétale biconvexe, modérément hyperatténuée et occupant de l'espace a été visualisée immédiatement à côté de la zone des fractures temporales. Ces résultats concordaient avec un diagnostic d'hématome extradural intracrânien. La craniectomie décompressive a réussi à évacuer l'hématome extradural pour atténuer l'augmentation de la pression intracrânienne. La fonction neurologique du chien s'est rétablie rapidement après l'opération. Lors des examens physiques de suivi à 14 et 437 jours, un excellent retour au fonctionnement a été noté.Message clinique clé:Ce rapport décrit le diagnostic et la prise en charge chirurgicale d'un hématome extradural intracrânien chez un chien présentant une augmentation de la pression intracrânienne réfractaire à la prise en charge médicale. En outre, ce rapport décrit les résultats de l'imagerie diagnostique utilisée pour diagnostiquer cette forme particulière de lésion cérébrale primaire.(Traduit par Dr Serge Messier).


Subject(s)
Decompressive Craniectomy , Dog Diseases , Hematoma, Epidural, Cranial , Animals , Dogs , Decompressive Craniectomy/veterinary , Dog Diseases/surgery , Hematoma, Epidural, Cranial/veterinary , Hematoma, Epidural, Cranial/surgery , Hematoma, Epidural, Cranial/etiology , Head Injuries, Closed/veterinary , Head Injuries, Closed/complications , Head Injuries, Closed/surgery , Male , Tomography, X-Ray Computed/veterinary , Female
2.
Can Vet J ; 55(11): 1083-8, 2014 Nov.
Article in English | MEDLINE | ID: mdl-25392553

ABSTRACT

A 7-year-old castrated border collie dog was anesthetised for surgical resection of a hippocampal mass. Anesthesia was maintained using a previously unreported TIVA protocol for craniectomy consisting of alfaxalone and remifentanil. Recovery was uneventful, and the patient was discharged from hospital. We describe the anesthetic management of this case.


Protocol anesthésique associant alfaxalone et rémifentanil lors d'une résection d'une masse intracrânienne chez un border collie. Ce rapport de cas décrit la prise en charge anesthésique ainsi que le protocole d'anesthésie par perfusion intraveineuse utilisé lors d'une résection chirurgicale d'une masse hippocampale sur un border collie de 7 ans. La combinaison alfaxalone et rémifentanil, en tant qu'agents anesthésiques principaux, fut utilisée et le patient récupéra sans complication.(Traduit par Sébastien Bauquier).


Subject(s)
Anesthetics, Intravenous/administration & dosage , Brain Neoplasms/diagnosis , Dog Diseases/surgery , Dogs/physiology , Hippocampus , Animals , Brain Neoplasms/surgery , Decompressive Craniectomy/veterinary , Male , Piperidines/administration & dosage , Pregnanediones/administration & dosage , Remifentanil
4.
Vet Comp Orthop Traumatol ; 23(5): 372-6, 2010.
Article in English | MEDLINE | ID: mdl-20740264

ABSTRACT

OBJECTIVE: To describe a novel histological subtype of skull base and cranial cervical meningioma operated upon through an uncommon atlanto basioccipital approach. STUDY DESIGN: Clinical case report. ANIMAL: A seven-year-old neutered female Boxer. METHODS: The dog was presented due to lethargic behavior, signs of head and neck pain, and ongoing tetraparesis. Neurological examination and magnetic resonance imaging led to diagnosis of a ventral spinal canal mass causing severe cord and brainstem compression and which required surgical management. RESULTS: The mass was approached through a ventral craniectomy extending cranially on the basioccipital bone. Extemporaneous cytological examination of the mass led to confirmation of neoplastic nature of the abnormal tissue. Cytoreduction of the mass was performed using multiple cycles of curettage, lavage and suction. Histopathological examination of the tumour was consistent with a papillary variant of meningioma. Adjuvant therapy was declined by the owners. The dog improved considerably in the postoperative period, however three months after surgery signs of recurrence led to euthanasia. CONCLUSIONS: Basioccipital craniectomy allowed a limited but sufficient approach for cytoreduction of a compressive meningioma of the brainstem and cranial cervical spinal cord. Papillary meningiomas are locally infiltrative and postoperative recurrence is common. CLINICAL RELEVANCE: Basioccipital approach combined with cranial atlanto corpectomy can be performed to relieve compression of the caudal brainstem and cranial cervical cord.


Subject(s)
Decompressive Craniectomy/veterinary , Meningeal Neoplasms/veterinary , Meningioma/veterinary , Occipital Lobe/surgery , Animals , Decompressive Craniectomy/methods , Dogs , Euthanasia , Female , Meningeal Neoplasms/surgery , Meningioma/surgery , Neoplasm Recurrence, Local/veterinary
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