This study evaluated anatomical variants in the carotid siphon and of the circle of Willis in patients with aneurysms. We performed a retrospective analysis of cerebral angiographies. The Control Group was composed of patients without aneurysms. Posterior communicating artery (PcomA) aneurysms were more common in women (p<0.05), and the anterior communicating artery (AcomA) aneurysms in men (p<...

RATIONALE Data from animal models of hypertension indicate that high blood pressure may develop as a vital mechanism to maintain adequate blood flow to the brain. We propose that congenital vascular variants of the posterior cerebral circulation and cerebral hypoperfusion could partially explain the pathogenesis of essential hypertension, which remains enigmatic in 95% of patients. OBJECTIVE ...

A 46-year-old female presented with headache and fluctuating aphasia. CT head/angiogram and magnetic resonance image/venogram were nonconfirmatory for vascular pathology, although suggestive of left atretic transverse sinus.Diagnostic angiogram showed left temporal venous congestion with delayed drainage of vein of Labbe into the left transverse sinus. This territory of venous drainage overlaps...

RATIONALE Vein of Galen aneurysmal malformation (VGAM) is a rare complex malformation of the cerebral vascular system consisting of arteriovenous shunts between the vein of Galen and the cerebral arteries. PATIENT CONCERNS We present the case of a 31-year-old pregnant woman, para 1, gravida 1. DIAGNOSES At 26 weeks' gestation who was examined for an anechoic mass on the cerebral median midl...

Congenital cytomegalovirus (CMV) infection is the most common vertically transmitted disease with the rate of the infection ranging from 0.2 to 2.4% in newborn infants. Congenital CMV infection causes multiorgan affection, but the most severe and permanent sequelae are those affecting central nervous system such as mental retardation, cerebral palsy, sensorineural hearing loss, chorioretinitis ...

A vertebral artery (VA) terminating in a posterior inferior cerebellar artery (PICA) is often considered to be a normal variation associated with VA hypoplasia. We aimed to investigate the clinical significance of this cerebrovascular variant. A total of 80 patients with clinically evident cerebrovascular events in posterior circulation were examined by duplex sonography and magnetic resonance ...

Mandibular coronoid aplasia is defined as the absence of process and hypoplasia defective or underdeveloped process. Hypoplasia mandibular condyle means that smaller than normal. Both these situations are very rare in literature. In literature, condylar usually associated with hyperplasia seen together. The case report we prepared a unilateral hypoplasia, which not syndrome, second literature t...

Recent studies of infantile autism using computed tomographic scanning emphasized the importance of studying cases of classic autism (Kanner's syndrome) without complicating conditions such as mental retardation. Computed tomographic scan studies of such patients reported no evidence of anatomical abnormalities of cerebral hemispheres or of subcortical structures, which are defined by landmarks...

conclusions patients faced with isolated left ventricular apical hypoplasia should be monitored by echocardiography because of this disease’s possible progressive trend to life-threatening consequences. introduction isolated left ventricular apical hypoplasia is an unusual type of cardiomyopathy that presents with different clinical manifestations according to the age of the disease, ranging fr...

Reelin is an extracellular matrix-associated protein important in the regulation of neuronal migration during cerebral cortical development. Point mutations in the RELN gene have been shown to cause an autosomal recessive human brain malformation termed lissencephaly with cerebellar hypoplasia (LCH). Recent work has raised the possibility that reelin may also play a pathogenic role in other neu...