The incidence of vulnerable plaques was significantly higher in symptomatic patients, increasing as the intravascular study was performed closer to the index ischemic episode.

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Intracranial arteriovenous fistulas are vascular malformations in which clinical suspicion and prompt diagnosis, with a subsequent appropriate therapeutic approach, are crucial to avoid the development of irreversible neurological damage or even patient death because these lesions can be associated with heavy bleeding and high mortality rates. The authors present the case of a direct pial arteriovenous fistula in an infant and its unusual presentation as a large occipital protuberance with hard consistency and an audible murmur that produced bone remodeling. The patient was successfully treated by endovascular therapy, with complete regression of the occipital protuberance during follow-up.

The nutcracker's syndrome or phenomenom is defined as the left renal vein compression between the aorta and the superior mesenteric artery. Diagnosis is uncommon, not only due to its low frequency but for the dificulty to be suspected in usual findings as lumbar pain or hematuria. We present the case of a patient to whom we were able to show mentioned pathology with the helicoidal TC with volumetric reconstruction "3D" (VR).

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