[Primary sclerosing cholangitis: contribution of retrograde cholangiography in follow-up: apropos of 15 case reports].

From 1975 to 1989, primary sclerosing cholangitis (PSC) was diagnosed in 15 patients especially based on cholangiographic features associated with clinical, biological and histological findings. 93 p. cent of patients had altered liver enzymes at the diagnosis time but only 26% was asymptomatic.