. A text-book of radiology . LARGE HYDRO-NEPHROSUS. The Pelvis of the kidney was injected with collargol before the radiograph was taken. PROPERTY OFVICTOR X-RAY CORPORATION PLATE BLADDER. After injection with an emulsion of bismuth to show presence and position of sacculi. URINARY CALCULI. 193 Sometimes a calculus gets in line with a transverseprocess—a local alteration in the density of a process isalways suspicious, but if a stereoscopic pair is madethe difficulty will soon be cleared up. A triangular shadow in the renal area with point down-wards may indicate a stone plugging the ent
. A text-book of radiology . LARGE HYDRO-NEPHROSUS. The Pelvis of the kidney was injected with collargol before the radiograph was taken. PROPERTY OFVICTOR X-RAY CORPORATION PLATE BLADDER. After injection with an emulsion of bismuth to show presence and position of sacculi. URINARY CALCULI. 193 Sometimes a calculus gets in line with a transverseprocess—a local alteration in the density of a process isalways suspicious, but if a stereoscopic pair is madethe difficulty will soon be cleared up. A triangular shadow in the renal area with point down-wards may indicate a stone plugging the entrance to theureter. A ureteric stone passing into the bladder lies trans-versely as it reaches the latter. Circular well defined shadows in the pelvis, andespecially if near the ischial spine are usually phleboliths. An oval shadow in the pelvis with its long diameterplaced transversely, indicates a vesical calculus. Morton. CHAPTER XVI. X-RAY THERAPEUTICS. The use of the X-rays as a therapeutic agent in thetreatment of disease is almost as old as their employmentin diagnosis, and the progress that has been made isalmost as remarkable, particularly if we remember howefficaciou
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