Monday, March 29, 2021

Bilateral Chronic Subdural Hematomas

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No Shinkei Geka. 2021 Mar;49(2):238-243. doi: 10.11477/mf.1436204384.

ABSTRACT

Chronic subdural hematomas(SDHs)do not infrequently present isodensity on CT. They should not be overlooked, particularly if bilateral. Therefore, checking for an abnormal mass effect and visualizing the cortical sulci in higher slices should be routine. In suspected cases, MRI can be a reliable tool for establishing the diagnosis. SDHs or subdural hygromas are often found in patients with intracranial hypotension, along with other findings such as thickened dural enhancement, enlarged dural sinuses, an anterior shift of the brainstem, inferior shift of the cerebellar tonsils, and others. In such cases, some techniques are indicated for visualizing cerebrospinal fluid leakage from the dural sac. Conditions with similar imaging findings, such as chronic SDHs, include dural metastases, several kinds of granulomatous disease, and hypertrophic pachymeningitis. Addition ally, it is essential to consider child abuse when SDH is found in children.

PMID:33762443 | DOI:10.11477/mf.1436204384

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