A simple method of barium administration for double-contrast enemas.

The authors describe a simple and rapid method of administering the high-density barium used in double-contrast examinations of the colon. The use of 60-ml syringes permits better placement, control of the proper amount, and removal of excess barium from the rectum.

Direct injection into the gallbladder in dogs, using ultrasonic guidance.

Direct injection into the gallbladder can be accomplished with the guidance of the ultrasonic aspiration transducer. Possible bile peritonitis is a limiting factor, but not necessarily a complication that contraindicates the procedure. Some modifications of the procedure may be necessary, and further investigation into this potentially valuable procedure is indicated.

Cavitary pulmonary nodules in systemic lupus erythematosus.

Two cases of systemic lupus erythematosus with cavitary pulmonary nodules as a manifestation are presented. The literature concerning the radiographic manifestations of cardiopulmonary involvement in systemic lupus erythematosus is reviewed.