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Actas Urológicas Españolas

versión impresa ISSN 0210-4806

Resumen

JANANE, A. et al. Bone Mineral Density Change: Comparison Between Prostate Cancer Patients with or Without Metastases and Healthy Men (a North African Ethnic Group). Actas Urol Esp [online]. 2011, vol.35, n.7, pp.414-419. ISSN 0210-4806.

Aim: 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. Patients and 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). Conclusion: 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 99mTc MDP bone scan.

Palabras clave : Prostate cancer; Scintigraphy; Bone mineral density; Bone metastasis.

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