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Hypercalcemia Refractory to Pamidronate Associated with Metastatic Calcifications in Multiple Organs

파미드로네이트 불응성 다발 장기 전이성 석회화를 동반한 고칼슘혈증

  • Bae, Gi Bum (Department of Internal Medicine, Kyungpook National University School of Medicine) ;
  • Eun, Jung Su (Department of Internal Medicine, Kyungpook National University School of Medicine) ;
  • Kim, Na Ri (Department of Internal Medicine, Kyungpook National University School of Medicine) ;
  • Im, Churl Hyun (Department of Internal Medicine, Kyungpook National University School of Medicine) ;
  • Nam, Eon Jeong (Department of Internal Medicine, Kyungpook National University School of Medicine) ;
  • Kang, Young Mo (Department of Internal Medicine, Kyungpook National University School of Medicine)
  • 배기범 (경북대학교 의학전문대학원 내과학교실) ;
  • 은정수 (경북대학교 의학전문대학원 내과학교실) ;
  • 김나리 (경북대학교 의학전문대학원 내과학교실) ;
  • 임철현 (경북대학교 의학전문대학원 내과학교실) ;
  • 남언정 (경북대학교 의학전문대학원 내과학교실) ;
  • 강영모 (경북대학교 의학전문대학원 내과학교실)
  • Received : 2013.04.24
  • Accepted : 2013.06.03
  • Published : 2013.11.01

Abstract

Paget's disease of bone (PDB) is a disorder featuring high-level bone turnover associated with the presence of disorganized and immature bone tissue with excessive levels of fibrosis. The risk of deformity is very high. The etiology of PDB is not well understood, but includes both genetic and environmental factors among which is bone trauma. Hypercalcemia can occur as a complication of PDB in patients who are immobilized and dehydrated. However, to date, no case of severe hypercalcemia with metastatic calcifications in multiple organs has been reported in any PDB patient. The drugs of choice for treatment of PDB are bisphosphonates. These drugs effectively suppress bone turnover. Patients with extensive PDB may require higher doses of bisphosphonates, and acquired resistance to a particular bisphosphonate may be overcome by use an alternative drug. Here, we report a case of suspicion of PDB. The patient presented with hypercalcemia and metastatic calcifications and his condition improved dramatically after treatment with zoledronic acid.

저자들은 외상으로 인한 골절 수술 이후 중증 고칼슘혈증과 다발 장기의 전이성 석회화가 동반된 파제트병이 의심되는 환자에서 고칼슘혈증, 다발 장기 전이성 석회화와 신부전이 파미드로네이트 치료에 부분적인 반응과 재발 소견이 반복되었으나 졸레드로닉산에 극적인 치료효과를 나타낸 증례를 보고하는 바이다. 중증 고칼슘혈증과 다발 장기 전이성 석회화가 동반된 파제트병은 현재까지 세계적으로 문헌보고가 없는 상태이다. 중증 고칼슘혈증과 다발 장기 전이성 석회화가 동반된 파제트병 환자에서 지속적인 임상적 호전을 위해서는 뼈 대사 억제 치료로서 졸레드로닉산 사용을 고려해 볼 수 있을 것으로 사료된다.

Keywords

References

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