Non-Calcified Gall Bladder Visible without Dye

_ when the viscus is filled with bile j^taining excess of calcium salts. The gall "ladder is not visualized normally due to lack ?j density on the part of the viscus itself and ?lso due to absence of contrast in the neighbour's structure. So, when the density is increased j? When the contrast improves, the viscus even h?Ugh not calcified may be rendered visible. during the last one year, radiological investigations were carried out in respect of 62 cases Offering from vague gastro-intestinal symptoms of which straight skiagrams only for gall ladder region were done in respect of 10 cases, and remaining 52 cases had oral cholecystography in addition. The gall bladder could be dualized in 4 out of these 62 cases.