• Luis Corral Gudino.
• Departamento de Medicina, Toxicología y Dermatología, Facultad de Medicina, Universidad de Valladolid, Valladolid, España; Servicio de Medicina Interna, Hospital Universitario Río Hortega, Sacyl, Valladolid, España. Electronic address: luis.corral@uva.es.
• Med Clin (Barc). 2023 Sep 8; 161 (5): 207216207-216.

AbstractPaget's disease of bone is characterized by the alteration, in one or several bone locations, of the equilibrium between bone formation and bone resorption. This imbalance results in a disorganized, widened bone, in many cases with increased bone density, although more fragile. A genetic predisposition for Paget's disease of bone could explain between 5% and 40% of the cases. Different environmental factors should explain the rest of the cases. Paget's disease of bone was classically considered the second most common metabolic bone disease. However, in recent decades there has been a marked decrease in both incidence and clinical severity. These changes have led to believe that the influence of some environmental factor may have diminished or even disappeared. This decrease in incidence should not be an excuse for abandoning Paget's disease of bone research, but rather it should be the reason to remain searching to try to understand better its pathogenesis.Copyright © 2023 The Author(s). Published by Elsevier España, S.L.U. All rights reserved.

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