"Ascariasis is the commonest helminthic infection worldwide and estimated to affect nearly 1 billion people (25% of the population). The disease is transmitted by Ascaris lumbricoides which belongs to the nematode family (roundworms)."
"ERCP"
Expected headings
"Radiological features"
"Fluoroscopy"
"Ultrasonography"
"CT"
"MRCP"
"ERCP"
"The infected patients are usually asymptomatic; however, migration through the lung may cause eosinophilic pneumonia. Moreover, the adult worms cause mechanical obstruction to the intestinal lumen or may penetrate and obstruct the common bile duct, leading to obstructive jaundice (Courvoisier sign if painless)."