Cristina Covalciuc

Cristina Covalciuc

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Pediatric Radiological Case: Pelizaeus-Merzbacher syndrome

Back to Pediatric Community CASE SUMMARY A male first presented at an outside hospital with macrocephaly and nystagmus.

HSV encephalitis | Radiology Case | Radiopaedia.org

Lumbar puncture was performed - herpes simplex virus DNA was not shown on polymerase chain reaction. A brain biopsy was performed and the histology was consistent with encephalitis. PCR was repeated on the biopsy specimen and was positive for HSV.

nice 30 Memes That Will Make You Laugh Every Single Time

nice 30 Memes That Will Make You Laugh Every Single Time

Resultado de imagem para ct brain anatomy basal ganglia

Resultado de imagem para ct brain anatomy basal ganglia

33 Funny Pictures Of The Day #funny #picture

33 Funny Pictures Of The Day #funny #picture

The caput medusae sign, refers to developmental venous anomalies of the brain, where a number of veins drain centrally towards a single drain vein. The appearance is reminiscent of Medusa, a gorgon of Greek mythology, who was encountered and defeated by Perseus.  The sign is seen on both CT and MRI when contrast is administered. Angiographically the caput medusa appearance is seen only in the venous phase.  http://radiopaedia.org/articles/caput-medusae-sign-developmental-venous-anomalies

This case shows the typical appearance of a developmental venous anomaly (DVA) with a bunch of venous vessels in a "Medusa head". They are commonly located at the angle of ventricles, especially near frontal horn of the lateral ventricles.

Dural ectasia refers to ballooning or widening of the dural sac and is associated with herniation of nerve root sleeves. Patients with dural ectasia may present with low back pain or radicular pain in the buttocks or legs. Pain may be accompanied by leg weakness or urinary incontinence. Other associations include spondylolisthesis, scoliosis, vertebral erosions and vertebral fractures. http://radiopaedia.org/articles/dural-ectasia

The study demonstrates dural ectasia in a patient with know Other causes of dural ectasia include connective tissue disorders (such as Marfans syndrome and Ehlers-Danlos syndrome), ankylosing spondylitis, acromegaly, amongst others.

Central neurocytoma | Radiology Case | Radiopaedia.org

This case illustrates typical appearances of a central neurocytoma - a diagnosis which can usually be made with a high degree of certainty pre-operatively.

Cerebral toxoplasmosis | Radiology Case | Radiopaedia.org

Cerebral toxoplasmosis | Radiology Case | Radiopaedia.org

Leontiasis ossea - a largely historical term used to describe a number of conditions which result in the affected patient’s face resembling that of a lion. Although it is most frequently the result of craniofacial fibrous dysplasia (as in this case), the term has a broader usage encompassing other expansile facial bone diseases such as Paget’s disease.

Leontiasis ossea - a largely historical term used to describe a number of conditions which result in the affected patient’s face resembling that of a lion. Although it is most frequently the result of.

Vein of Galen aneurysm.

Vein of Galen aneurysm.