Journal of Cytology
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Year : 2000  |  Volume : 17  |  Issue : 3  |  Page : 161-165

Computerized tomography guided needle aspiration Cytology (CT-Guided NAC) of giant cell tumours of vertebrae

1 Head of the Department of Cytopathology and Histology, S. V.S. Marwari Hospital and Cancer Detection Centre, Calcutta, India
2 Head of the Department of Radiology, Calcutta Scan Centre, Calcutta, India

Correspondence Address:
Asitava Mondal
D-1, Cluster-1, Purbachal, Salt Lake City, Calcutta - 700 097
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Source of Support: None, Conflict of Interest: None

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From January 1984 till June 1999 computerized tomography guided needle aspiration cytology (CT-guided NAC) was utilised to diagnose 989 osteolytic lesions of vertebrae of which 28 cases were categorised as giant cell tumours (GCT). Part of the aspirated material was subjected to cell block study in 23 cases. Open surgical biopsy with histology proved to be giant cell tumour in 26 cases and aneurysmal bone cyst in 2 cases. The diagnostic accuracy of exact typing of giant cell lesion byNAC was 92.8%. As it is difficult radiologically to distinguish tuberculosis, metastatic deposit and other primary vertebral tumours producing osteolytic changes, CT-guided NAC is extremely beneficial for the orthopaedic and neurosurgeons to arrive at a quick and correct diagnosis so that planning of treatment can be started early before compression of spinal cord. No complication was encountered in the present study. Extreme paucity of literature on CT-guided NAC of GCT of vertebrae prompted the authors to publish the article.

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