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Fine Needie Aspiration Biopsy Has Important Role and High Accuracy as Preoperative Diagnostic Method for Bone Tumors
Fine Needle Aspiration Biopsy (FNAB) technique is gaining increasing population in the diagnosis of musculoskeletal lesions because it offter some advantages such as, easy, with minimal complications, but its a pplikability in diagnosis of bone tumors however has some limitations. This research was aimed to explore the roles of FNAB and its accuracy as the preoperative diagnostic method compared to histopathology examination from open biopsy or operation as a gold standard. Research design was descriptive study and diagnostic test from cases of bone tumors which were aspirated over a period of there years in Anatomic Pathology laboratoty of Saiful Anwar Hospital Malang. The data was collected with cross sectional method. Of the 106 patients who were subjected to FNABm 22 cases were diagnosed as benign bone tumor, 49 were primary malignant bone tumor, 24 were metastatic malignant bone tumoor 1 cases was suspicious malignant tumor, 5 cases were non neoplastic lesion, and 5 cases were inadequate/ inconclusive for diagnosis. Of the 16 cases which was analized with was analized with diagnostic test, sensitivity of FNAB as preoperative diagnostic method was 100%, specificity was 90,91%, positive predictive value was 83,33% and negative predictive values was 100%. Overall, diagnostic acuracy of FNAB was 93,75%. It can be conluded that FNAB has important roles to differentiate neoplasm or non neoplasm lesion, benign or malignant tumor and primary or metastatic malignant bone tumor. FNAB respresented as a techique having high acuracy for preoperative diagnostic method of bone tumor.
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