COMPUTED TOMOGRAPHY IN DIFFERENTIATION BETWEEN SMALL CELL AND NON SMALL CELL CARCINOMA LUNG

Abstract

Background :- Lung carcinoma is common in the developed world as well as developing world with high morbidity and mortality. It is broadly classified into two categories as small cell and non small cell carcinoma, in which radiological imaging plays a critical role in diagnosing and staging of cancer. Multi Detector computed tomography (MDCT) is the investigation of choice for evaluation of lung carcinomas. - The objectives of our study is radiologi Objectives: cal assessment of difference in size and location of primary and metastatic spread at presentation in histologically proven cases of small cell vs non small cell carcinoma of lung. This study comprised of patients who Material And Methods: presented to the department of radiodiagnosis Shri Ram Murti Smarak Institute Of Medical Science a tertiary care center of west Uttar Pradesh, for CT scan of thorax, with clinical symptomsand / or radiographic suspicion of lung cancer and cytohistopathological diagnosis of lung cancer over the period of two years. : In the present Observations And Results study a total of 84 patients were included. The non small cell carcinoma patients were 66(78.5%) which included Squamous cell carcinoma(40%) and adenocarcinoma (38%) and 18(21.4%) patients were of small cell carcinoma. On CT imaging non small cell carcinoma had larger size at presentation as compared to small cell carcinoma. Small cell carcinoma was more frequently associated with distant metastasis (77% cases) and mediastinal lymphadenopathy (100% cases) as compared to non small cell carcinoma