PTH and Behcet disease: A decrease in bone density was observed in 14 and 15 patients in the lumbar and femoral regions, respectively.<h4>Conclusion</h4>Although PTH and VITD dosages did not show a direct correlation with BD, it was observed that approximately half of the patients had altered dosages of these hormones up to five years after surgery, and there was damage to the bone health expressed by BD.