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2019 Month : August Volume : 8 Issue : 31 Page : 2475-2479

Study on Computed Tomography Guided Fine Needle Aspiration Cytology of Peripheral Lung Lesions.

Krishnendu Das1

Corresponding Author:
Dr. Krishnendu Das,
Goaltuli Lane, P. O. Makdumpur,
Malda-732103,
West Bengal, India.
E-mail: drdas.krishnendu@gmail.com

ABSTRACT

BACKGROUND

Percutaneous transthoracic fine needle aspiration cytology (FNAC) under computed tomography is a well-established diagnostic method in the cytological evaluation of thoracic mass lesions. It plays an extremely vital role in small thoracic mass lesions (< 1 cm) and deep mediastinal nodes in which needle placement is correctly possible by avoiding any surrounding blood vessel or cardiac structure. CT guided FNAC is an accurate & sensitive way of diagnosing lung cancer. It also helps in staging of the malignancy. In addition, it helps in determination of the etiology of serious pneumonia when noninvasive methods have failed. We wanted to evaluate the role of Fine Needle Aspiration Cytology under Computed Tomography guidance in peripheral lung lesions.

METHODS

The study included 79 patients who presented with clinically suspected lung lesions in the Out-Patient Department, Department of Chest Medicine, Burdwan Medical College and Hospital in the period February 2009 to January 2010. A total of 79 patients who were either admitted or who attended the Chest Medicine OPD of Burdwan Medical College & Hospital with suspected peripheral lung mass on chest x-ray/CT scan. They were subjected to CT guided FNAC. Whenever possible, the cytological evaluations were compared with histopathological examination.

RESULTS

Definitive cytological diagnosis was obtained in 77 cases. Neoplastic lesions attributed to 92.4 % of the cases. The sensitivity and specificity of the study were 97 % and 100 % respectively.

CONCLUSIONS

CT guided Fine Needle Aspiration Cytology (FNAC) is a simple and safe procedure with high diagnostic accuracy for the diagnosis and cell typing of lung cancer at tertiary care centers. It is easy to perform in experienced hands, cost effective and less time consuming in comparison with surgical biopsy. Moreover, treatment decisions can be made based on the aspiration finding. In combination with clinical findings and radiological assistance in appropriate cases, high level of diagnostic outcome is achieved.

KEY WORDS

Computed Tomography, Fine Needle Aspiration Cytology, Peripheral Pulmonary Nodule or Masses

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