Parasites and Biliary stones

Opisthorchiasis ٣٦
(Sirisinha, 1986).Serological methods have been developed for diagnosis
of Opisthorchiasis (Nagano et al., 2004). Antigens of Opisthorchis have
been used for immunoblot methods (Choi et al., 2003). On
ultrasonography; Opisthorchis viverrini infection can cause gall bladder
sludge yet without sonographically visible parasites (Mairiang et al.,
1992).