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Inicio Psiquiatría Biológica Heterotopia de sustancia gris en 2 casos de primeros episodios psicóticos
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Vol. 28. Issue 3.
(September - December 2021)
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Vol. 28. Issue 3.
(September - December 2021)
Caso clínico
Heterotopia de sustancia gris en 2 casos de primeros episodios psicóticos
Heterotopia of grey matter in 2 cases of first episode psychosis
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Joana Isabel Gonçalves Cerejeira
Corresponding author
jgoncalves@saludcastillayleon.es

Autor para correspondencia.
, Óscar Martín-Santiago, María del Pilar del Valle López
Hospital Clínico Universitario de Valladolid, Unidad de Psiquiatría, Valladolid, España
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La esquizofrenia se asocia a ciertas alteraciones cerebrales estructurales, algunas muy infrecuentes, como la heterotopia de sustancia gris periventricular. Esta consiste en la presencia de focos de sustancia gris ectópica como resultado de un defecto en la migración neuronal hacia el córtex cerebral durante el neurodesarrollo. Presentamos los casos clínicos de 2 pacientes con antecedentes familiares de trastornos psicóticos diagnosticados por primera vez de un episodio psicótico. En ambos pacientes, se hallaron focos de sustancia gris periventricular a través de resonancia magnética cerebral. Estos casos evidencian que las anomalías cerebrales tempranas pueden estar implicadas en la patogenia de la esquizofrenia y estos hallazgos apoyan el modelo del neurodesarrollo.

Palabras clave:
Heterotopia de sustancia gris
Psicosis
Esquizofrenia
Neurodesarrollo
Abstract

Schizophrenia is associated with certain structural brain alterations, some of them very rare, such as periventricular grey matter heterotopia. It consists of the presence of ectopic grey matter foci and results from a defect in neuronal migration towards the cerebral cortex during neurodevelopment. We present the cases of 2 patients with a family history of psychotic disorders diagnosed of First Episode Psychosis. In both patients, periventricular grey matter foci were found through brain MRI. Both cases show that early brain abnormalities may be involved in the pathogenesis of schizophrenia and these findings support the neurodevelopmental model.

Keywords:
Grey matter heterotopia
Psychosis
Schizophrenia
Neurodevelopment

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