[Tumor of the juxtaglomerular apparatus]. / Tumeur de l'appareil juxtaglomérulaire.

Renin-secreting tumours are rare tumours. The authors report a case of renin-secreting tumour discovered during investigation of HT associated with hypokalaemia and secondary hyperaldosteronism and recall the main clinical, laboratory, and radiological characteristics of this tumour, as well as its treatment.