title: [Bone mineral density change: comparison between prostate cancer patients with or without metastases and healthy men (a North African ethnic group)].
abstract: OBJECTIVE
  To evaluate total body bone mineral density and regional bone mineral density in patients with prostate cancer with and without metastases, and to correlate them with bone scintigraphy findings.
  
  
  METHODS
  135 patients with prostatic carcinoma and 50 healthy subjects were investigated with bone scintigraphy and dual-energy X-ray absorptiometry. The bone scintigraphic findings were classified as normal (score 0: n=55), abnormal but not typical for metastases (score 1: n=45), and typical pattern of metastases (score 2: n=35).
  
  
  RESULTS
  : The patients with bone metastases prostate cancer had significantly higher total bone mineral density and regional bone mineral density of trunk and pelvis than healthy controls and prostate cancer patients without bone metastases. There was a significant positive correlation between bone scan score and total bone mineral density and regional bone mineral density of trunk and pelvis (r=0.328; P<0.05; r=0.60; P<0.001; r=0.480; P<0.001, respectively).
  
  
  CONCLUSIONS
  Bone metastasis is a major cause of morbidity in prostatic cancer, bone loss during hormonal treatment is currently effective. Our results show that patients of prostate cancer with bone metastases have increased bone mineral density (BMD) in the pelvis and trunk, possibly because of a predominance of osteoblastic over osteolytic metastases demonstrated by (99m)Tc MDP bone scan.
authors.affiliation: Departamento de Urología, Hospital Militar Universitario Med V, Rabat, Marruecos. a.janane@yahoo.fr
authors.forename: A
authors.initials: A
authors.lastname: Janane
authors.forename: F
authors.initials: F
authors.lastname: Hajji
authors.forename: T
authors.initials: T
authors.lastname: Ismail
authors.forename: C
authors.initials: C
authors.lastname: Jawad
authors.forename: J
authors.initials: J
authors.lastname: Crepin-Elondo
authors.forename: M
authors.initials: M
authors.lastname: Ghadouane
authors.forename: A
authors.initials: A
authors.lastname: Ameur
authors.forename: M
authors.initials: M
authors.lastname: Abbar
authors.forename: A
authors.initials: A
authors.lastname: Albouzidi
mesh_terms: D000230:Adenocarcinoma / Q000378:metabolism* / Q000473:pathology*; D000352:Africa, Northern; D000368:Aged; D015519:Bone Density; D001842:Bone and Bones / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D009362:Neoplasm Metastasis; D011471:Prostatic Neoplasms / Q000378:metabolism* / Q000473:pathology*; D011877:Radionuclide Imaging