To evaluate the patient-level early diagnostic performance of high-penetration super-resolution transcranial ultrasound for identifying intracranial metallic targets, and to further assess clip-level detection, localization, agreement, and its complementary value to routine postoperative imaging.This study does not alter routine clinical treatment. All participants will undergo standardized high-penetration super-resolution transcranial ultrasound within 3 hours after surgery. Postoperative CT is mandatory for all participants; CTA or other routine postoperative imaging will be obtained only when clinically indicated.
Study Type
OBSERVATIONAL
Enrollment
78
Patient-level sensitivity for identifying the presence or absence of intracranial metallic targets
Time frame: Within 24 hours after surgery upon completion of composite reference standard adjudication
Patient-level specificity for identifying the presence or absence of intracranial metallic targets
Time frame: Within 24 hours after surgery upon completion of composite reference standard adjudication
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