Background: Takotsubo syndrome may follow an abruptadrenergic discharge; pheochromocytoma-related forms are uncommon but tend to be severe, with ischaemia/vasospasm, pulmonary oedema, arrhythmias and shock. Case presentation: A 57-year-old woman with long-standing paroxysmal hypertension and a 5-cm right adrenal mass wasadmitted for morpho-functional assessment of suspectedpheochromocytoma. During the diagnostic pathway,…