[An Unusual Hemisphere Syndrome].

An Unusual Hemisphere Syndrome Abstract. A patient with known hereditary hemorrhagic telangiectasia presents with transient right arm weakness and dizziness. A transient ischemic attack is diagnosed on clinical and risk factors. In the course of the disease, the patient suffers a convulsive event and fever occurs twice without a clear focus on the infection. The initial skull MRI shows a centroparietal lesion on the left with signs of accompanying edema. Due to this unusual concomitant edema, a neoplastic event must also be considered for differential diagnosis. However, the further examinations show no evidence of neoplasia, but the course MRI of the skull shows the image of septic embolisms with a brain abscess. After neurosurgical remediation and appropriate antibiotic treatment, the clinical course is pleasing. The cause of the septic embolisms was a pulmonary arteriovenous malformation due to hereditary hemorrhagic telangiectasia, which could be coiled without complications.