Introduction Atraumatic convexity subarachnoid hemorrhage is a subtype of spontaneous subarachnoid hemorrhage that often presents a diagnostic challenge. Common etiologies include cerebral amyloid ...

CMBs in lobar regions suggest cerebral amyloid angiopathy (CAA), which is sometimes accompanied by superficial siderosis (SS), while subcortical CMBs indicate hypertensive origins. This study ...

Objectives: Cortical superficial siderosis (cSS) has been implicated as a putative hemorrhagic MRI finding of cerebral small vessel disease (SVD) related to cerebral amyloid angiopathy. Few reports ...

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Medications in this class, including LEQEMBI, can cause ARIA-E, which can be observed on MRI as brain edema or sulcal effusions, and ARIA-H, which includes microhemorrhage and superficial siderosis.

Radiographic Findings of CAA Neuroimaging findings that may indicate CAA include evidence of prior ICH, cerebral microhemorrhage, and cortical superficial siderosis. CAA has an increased risk for ICH.

Superficial siderosis is a progressively deteriorating neurological condition that must be recognized early in order to be effectively treated. The accumulated data on patients with the condition ...

Radiographic Findings of CAA Neuroimaging findings that may indicate CAA include evidence of prior ICH, cerebral microhemorrhage, and cortical superficial siderosis. CAA has an increased risk for ICH.

CAA severity was scored from 0 to 6, with one point each for the presence of (i) 1–4 lobar CMB, (ii) severe centrum semiovale PVS (>20), (iii) deep WMH ≥ 2 or periventricular WMH grade 3, and (d) ...