| Summary: | A 52-year-old female reported a sudden onset of severe headache, vomiting, and unconsciousness. The patient's medical history includes hypertension. A Non-Contrast Head CT scan indicated a hyperdense lesion in the bilateral lateral ventricles, third ventricle, and fourth ventricle, in addition to a hyperdense shadow in the interpeduncular cistern, bilateral sylvian cisterns, crural cistern, and ambient cistern. A 3D CT Angiography indicated the presence of a Saccular Aneurysm at the Left PICA in the Posteroinferior Projection with a Dome size of 0.50 cm, a Neck size of 0.31 cm, and a Dome neck ratio of 1.61. The patient will undergo Coiling Embolization and Digital Subtraction Angiography (DSA). Intracranial aneurysms are treated by coiling, which is a relatively new treatment procedure. Coiling requires inserting a catheter through a peripheral artery, such as the femoral, into the cerebral circulation and precisely putting a coil into the aneurysm to induce clotting, a process known as embolization.
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