we report a rare genetic disorder case of neuroacanthocytosis with clinical profile (oro-lingual-facial abnormal involuntary movements, neuropathy) and typical magnetic resonance findings (cerebral atrophy, bilateral caudate nuclei atrophy with dilated anterior horns of the lateral ventricles), positive family history in his brother and acanthocytosis in peripheral blood smear.

a 55-year-old man referred for cardiac resynchronization therapy (crt) due to severe heart failure. a severe stenosis in the coronary sinus vein after the posterior branch disallowed the insertion of the lead. nevertheless, the stenosis was dilated and the left ventricle (lv) lead was implanted in the lateral marginal branch.