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Original Research



Diagnostic value of ultrasound guided transthoracic Fine Needle Aspiration Cytology in bronchogenic carcinoma

Dilip Sardarbhai Taviad, Srilaxmi Premnath Hiryur, Viral Ashwinbhai Patel, Pawan Chhotelal Nikhra, Avinash Bhikhabhai Panchal.




Abstract

Background: Transthoracic FNAC is regarded as the most effective of the cytological methods for diagnosing lung cancer, in particular peripherally-located lesions. Notably, it demonstrates high accuracy in distinguishing between small cell lung carcinoma and non-small cell lung carcinoma, a clinically important differentiation.

Aims & Objective: To assess the diagnostic value & safety of Ultrasound Guided Transthoracic Fine Needle Aspiration Cytology examination in Bronchogenic Carcinoma.

Materials and Methods: Fine needle aspiration Cytology material from lung was obtained by Ultrasound Guided procedure from 31 suspected cases of malignant thoracic mass lesions on clinically & radiological work-up. Smear was made & stained with Hematoxylin & Eosin, Giemsa and Papanicoloua stain.

Results: In the present study out of 31 cases, lung carcinoma was diagnosed in 28 cases (90.32 %). Out of 28 patients, 27 cases (96.42 %) were diagnosed to have Non-small cell lung carcinoma category (NSCLC) which was further classified into Adenocarcinoma 9 cases (29.63%) , Squamous cell carcinoma 8 cases (33.34%), Large Cell Carcinoma 3 cases (11.11%), Metastatic Carcinoma 2 cases (7.4%) and 5 cases (18.52 %) were unclassified. While only 1 case (3.58%) of Small Cell lung carcinoma category (SCLC) was diagnosed. In 2 cases inflammatory lesions were found and 1 case was inadequate for assessment. The diagnostic accuracy was 95%, sensitivity 96.55% and specificity 100% considering cytological criteria as the standard.

Conclusion: We concluded that Transthoracic Fine Needle aspiration Cytology with Ultrasound guided procedure is simple, safe & cost effective diagnostic technique in Bronchiogenic Carcinoma, with early diagnosis and minimal complications.

Key words: Transthoracic Fine needle Aspiration Cytology, Bronchiogenic carcinoma, Non Small cell Lung carcinoma, Small Cell Lung Carcinoma






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