胸部高圧撮影時における増感紙を利用した附加フィルターの効果について

抄録

The following results were obtained by the 4 sheet used-screen (front)+2mm Al of inserted filters for the chest high voltage radiography. 1. Wide diagnosis and dosage were attained by employ reduction 4 sheet used-screen (front)+2mm Al as inserted filter in 140 kVp. 2. Satisfactory results were obtained in both lateral and oblique radiography in 140 kVp. 3. Favorable results were observed by employing 6 sheet used-screen+2mm Al as inserted filter for taking a photograph of corpulent patients those who have marked difference in density especially for the investigation of mediastinal position.