A Novel Experience in Diagnosing Bone Lesions by FNAC

We evaluated the diagnostic accuracy of fine-needle aspiration biopsy in a retrospective study of 80 cases over the past three years-April 2013 to March 2016. All cases of primary and suspected local recurrence of a primary bone tumor or a metastatic lesion were included. We analyzed our experience with FNA in bone lesions, thesewere cases presenting in Tertiary health care Hospital and primaryhealth care centers. Fine-needle aspiration biopsy of bone lesions was performed as an outpatient procedure. The cases were grouped into two major classes 1) Benign lesions including infectious conditions 2) Malignant lesions. Cytopathological diagnoses of our cases correlated well (95 %) withHistopathological and radiological features. The present study and article is a shared experience of pathologists from two different geographic zones (W Nigeria and S India) with a variety of bone lesions and clinical presentations. Satisfactory aspirate which was considered conclusive for cytological evaluation was obtained from 72 of the 80 patients. Of the 8 failures, there were 5 aspirates with insufficient yield and 3 in which a diagnosis could not be made. The inconclusive aspirates (3/80) were obtained from other remote clinics and were suboptimal for process and evaluation. One of them was a rare interesting case which was acase foreign body implant, an indigenous bullet injury in a freak accident from a remote tribal area. The radiological picture and clinical details enabled conclusion in this particular case. Among the 72 cases 33 were Malignant and 39 were benign lesions. The malignant lesions correlated well with the radiological and histomorphological studies. (Table 1) Our diagnosis was correct in95 % of the cases.