. The American journal of roentgenology, radium therapy and nuclear medicine . Fin. 17 Medicolegal Status of the Roentgenologist 173 copic observation. In this way it is possi-)le to determine whether or not the kidneyotates and the extent and manner of itsotation. Fig. 10 shows a rotated kidney,i^igs. II and 12 demonstrate two positions)f a hydronephrotic kidney with a dupli-cated pelvis. I When the kidney pelvis is partly de-stroyed by infection it is important toavoid complete filling for obvious reasons.With the aid of the fluoroscope one is ableto control the degree of distention, whenit

. The American journal of roentgenology, radium therapy and nuclear medicine . Fin. 17 Medicolegal Status of the Roentgenologist 173 copic observation. In this way it is possi-)le to determine whether or not the kidneyotates and the extent and manner of itsotation. Fig. 10 shows a rotated kidney,i^igs. II and 12 demonstrate two positions)f a hydronephrotic kidney with a dupli-cated pelvis. I When the kidney pelvis is partly de-stroyed by infection it is important toavoid complete filling for obvious reasons.With the aid of the fluoroscope one is ableto control the degree of distention, whenit

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. The American journal of roentgenology, radium therapy and nuclear medicine . Fin. 17 Medicolegal Status of the Roentgenologist 173 copic observation. In this way it is possi-)le to determine whether or not the kidneyotates and the extent and manner of itsotation. Fig. 10 shows a rotated kidney,i^igs. II and 12 demonstrate two positions)f a hydronephrotic kidney with a dupli-cated pelvis. I When the kidney pelvis is partly de-stroyed by infection it is important toavoid complete filling for obvious reasons.With the aid of the fluoroscope one is ableto control the degree of distention, whenit is clear that the pelvis and calyces arenot normal in shape or size. This is par-ticularly true in the case of pyonephrosis.Fig. 13 is of a pyonephrotic kidney. Noteincomplete filling of cavity in the upperpole of the kidney. Figs. 14 and 15 illustrate two stages inthe injection of a pyonephrotic kidneyhaving two stones in the pelvis. The pus cavities are incompletely distended withthorium solution. Pyeloscopy is not entirely satisfactoryif the patient is very stout, but ev