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Original Research

Acta Inform Med. 2009; 17(1): 40-44


Evaluation of the Clinical Value of Bone Metabolic Parameters and Radiology Imaging Methods for the Screening Of Bone Metastases Compared to Bone Scintigraphy

Rame Miftari, Ferki Fejza, Bujar Gjikolli, Rame Iberdemaj.




Abstract

Purpose: More than ¾ of bone cancers are metastases which derive from another primary cancer. Detection of bone metastases in their initially developed stage until the period without clinical signs was the goal of interest. Methods: One hundred five patients with cancer disease were included in our perspective study during 2002-2005. Patients without preliminary biochemistry analyses, radiological data and bone scintigraphy, were not included in the study, whereas we made exceptions for CT and MRI examinations because some patients didn’t made them. Bone scintigraphy was performed after clinical examination of all patients, three hours after intravenous administration of 555-740 MBq activity of 99mTc MDP. Results: From the overall number, seventy two patients were female (68.57%). The patients with breast cancer (62) were the most frequent group (59.04%). Prostate cancer was registered in 19 male patients (18.09%), whereas lung cancer was registered in 5 cases (4.7%). Bone metastases were registered in 85 patients (80.95%). The sensitivity of bone scintigraphy was 98%, its specificity 95%, resulting in a diagnostic efficiency of 98%. The positive predictive value was calculated to be 98% and the negative one to be 95%. The concentrations of the bone markers, TAP, ESR, blood calcium, CEA, CA 15.3 and PSA were significantly higher in patients with bone metastasis than in those without bone metastasis (p

Key words: cancer, bone metastases, scintigraphy






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