Relation of fibrocartilaginous embolism and acute and non-compressive nucleus pulposus extrusion with imaging tests - case report

ABSTRACT Fibrocartilaginous embolism (FCEM) and acute, non-compressive nucleus pulposus extrusion (ANNPE) are non-compressive myelopathies that are difficult to differentiate. The definitive diagnosis is obtained only with histology, but the presumptive diagnosis is made through clinical signs and i...

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Veröffentlicht in:Arquivo brasileiro de medicina veterinária e zootecnia 2023-03, Vol.75 (2), p.227-231
Hauptverfasser: Faria, M.P., Sá, T.S.S., Luppi, M.M.C.P., Barros, M.A.
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Sprache:eng
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Zusammenfassung:ABSTRACT Fibrocartilaginous embolism (FCEM) and acute, non-compressive nucleus pulposus extrusion (ANNPE) are non-compressive myelopathies that are difficult to differentiate. The definitive diagnosis is obtained only with histology, but the presumptive diagnosis is made through clinical signs and imaging tests. The aim of this study is to report the imaging tests performed for the diagnosis of a neurological clinical case and discuss the best diagnostic method. After attending the patient, complementary tests were requested. Radiography results showed no change. The computed tomography diagnostic impression indicated distal protrusion between C6-C7, T11-T12, T13-L1 followed by mild spinal cord compression defined by the presence of a ventral hyperattenuating region. Magnetic resonance (RMI), showed a slight T2W hypersignal, well delimited in the gray matter, lateralized to the right, over the cranial third of C7. Concluding that the magnetic resonance is the method that brought more information for the diagnosis, in which the others were not described medullary alterations pertinent to FCEM and ANNPE. With their fair prognosis, the absence of histological diagnosis of these diseases may be a limiting factor in this study and, in relation to the RMI alterations being very similar between FCEM and ANNPE it is not possible to diagnose fully accurately. RESUMO A embolia fibrocartilaginosa (EFC) e a extrusão aguda não compressiva do núcleo pulposo (EANCNP) são mielopatias não compressivas de difícil diferenciação. O diagnóstico definitivo é obtido apenas com a histologia, mas o diagnóstico presuntivo é feito por meio de sinais clínicos e exames de imagem. O objetivo deste trabalho é relatar os exames de imagem realizados para o diagnóstico de um caso clínico neurológico e discutir o melhor método diagnóstico. Após o atendimento do paciente, foram solicitados exames complementares. Os resultados da radiografia não mostraram nenhuma alteração. A impressão diagnóstica da tomografia computadorizada indicou protrusão distal entre C6-C7, T11-T12, T13-L1, seguida de leve compressão medular definida pela presença de região hiperatenuante ventral. À ressonância magnética (RM), apresentava discreto hipersinal em T2W, bem delimitado na substância cinzenta, lateralizado à direita, sobre o terço cranial de C7. Concluiu-se que a ressonância magnética é o método que mais trouxe informações para o diagnóstico, os demais métodos não foram descritos alterações medulares pertine
ISSN:0102-0935
1678-4162
1678-4162
DOI:10.1590/1678-4162-12686