Interhemispheric Acute Subdural Hematoma: A Distinct Entity of Subdural Hematoma
Notice bibliographique
Résumé
We wish to notify the readers on a rare case of interhemispheric acute subdural hematoma (ASH) who presented to our emergency department (ED) with a falx syndrome of contralateral hemiparesis in lower extremity and severe headache. A 25-year-old previously healthy man was involved in a traffic accident and presented to our ED with complaints of repeated vomiting and severe headache. On arrival to the ED, he had an initial Glasgow coma scale (GCS) of 14 (opening her eyes with verbal stimuli, obeys commands, orientated) and normal vital signs (blood pressure: 130/85 mm Hg; heart rate: 86 bpm). No other injuries were noted. Neurological examination revealed mild weakness of the right lower extremity (strength score: 4/5). His routine blood tests, including complete blood counts, prothrombin time, and thromboplastin time were unremarkable. The plain films of the skull were normal. Non-enhanced cranial (CT) scan performed 4 h after the accident revealed a small left-sided acute interhemispheric subdural hematoma, which was posteriorly located (Fig. 1a). Magnetic resonance imaging (MRI) of the brain during the first 24 h after admission confirmed minimal ASH in the posterior interhemispheric fissure with subacute subdural hematoma in the left parietooccipital cortex and occipital regions (Fig. 1b). Considering the clinical condition of the patient, surgery was not planned by the neurosurgical department but the patient was kept under observation in the ED. He was discharged home 48 h after the trauma with a normal neurological examination and mild intermittent headaches. Interhemispheric ASH is a relatively uncommon type of ASH because of their unusual location [1]. They usually occur in patients with bleeding disorders and are associated with trauma in the majority of cases [2]. Computed tomography (CT) and MRI are important neuroradiological techniques for the accurate diagnosis of interhemispheric ASH [1, 2]. Although interhemispheric ASH is a rare form of subdural hematoma, early diagnosis and treatment is of great importance because of its emergent condition [2, 3]. CT and MRI are important diagnostic tools, as it was in this case. MRI may have the advantage rather than CT due to the absence of beam-hardening and multiplanar imaging. The best management modality for interhemispheric ASH depends upon the neurologic status on admission and clinical course [2]. If the patient is neurologically stable, conservative treatment is generally preferred. Surgical treatment is reserved in patients with disturbances of consciousness and for patients with progressive neurological deterioration [3].
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Prédiction distillée sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Apprise à partir de 10 348 étiquettes directes de Codex et de 10 348 étiquettes directes de Gemma. Le mode candidate est l'union des têtes enseignantes seuillées; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont ni des étiquettes humaines ni des étiquettes directes de modèles de pointe.
Scores Codex et Gemma par catégorie
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,007 | 0,015 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,001 | 0,000 |
| Bibliométrie | 0,000 | 0,001 |
| Études des sciences et des technologies | 0,000 | 0,001 |
| Communication savante | 0,000 | 0,000 |
| Science ouverte | 0,001 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,002 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,000 | 0,000 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découleClassification
machine, non validéePrédiction automatique; un appel candidat d’une seule tête enseignante, pas un consensus.
Le détail, modèle par modèle et score par score, se trouve en fin de page sous « Comment cette classification a été obtenue ».