Background: Cholelithiasis is the commonest cause of obstructive jaundice and for the investigation of cholelithiasis and obstructive jaundice ultrasound is a gold standard modality. Obstructive jaundice is generally due to biliary obstruction, which is a blockage of the common bile duct or any duct that carries bile from the liver to the gallbladder and then enters into the small intestine. Objective: To determine sonographic association of cholelithiasis with obstructive jaundice in adult patients. Methodology: A cross sectional study was conducted among 138 individuals. All were young adults within the age range of 18-35 years. Data was collected from Civil Hospital Gujranwala city, by using simple random sampling technique. The examination was done with Toshiba Xario 3.5-5MHz curvilinear transducer. Gallbladder scan was started with the patient in the supine position from both subcostal and intercostal approaches. It was analyzed through SPSS version 24.0 and presented through frequency and percentages. Results: Total 138 individuals were included in this study. Out of 138 subjects, 69 individuals with cholelithiasis out of 69, 24 individuals with obstructive jaundice. And other 69 individuals without cholelithiasis in which 26 subjects presented with jaundice. It was found that females (51.4%) were more commonly affected than males (48.6%) .Conclusion: It was concluded that cholelithiasis is one of the main causes of obstructive jaundice and ultrasound can easily diagnose the cases of cholelithiasis. It was found that females were more commonly affected than males.
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