Pyelography (pyelo-ureterography) a study of the normal and pathologic anatomy of the renal pelvis and ureter . Fig. 17.—Normal pelvis. tained. Incomplete distention may give an erroneousimpression of the outline and may be the source of errorin interpretation. In Fig. 17 both pelves are incompletelydistended. The pelvis of the right kidney is but partiallyfilled, and the calyces appear as irregular, narrow streakswhich are suggestive of tumor deformity. The axis of the pelvis is usually perpendicular and lateral THE NORMAL PELVIS 55 to a varying degree. When the pelvis is so situated thatthe
Pyelography (pyelo-ureterography) a study of the normal and pathologic anatomy of the renal pelvis and ureter . Fig. 17.—Normal pelvis. tained. Incomplete distention may give an erroneousimpression of the outline and may be the source of errorin interpretation. In Fig. 17 both pelves are incompletelydistended. The pelvis of the right kidney is but partiallyfilled, and the calyces appear as irregular, narrow streakswhich are suggestive of tumor deformity. The axis of the pelvis is usually perpendicular and lateral THE NORMAL PELVIS 55 to a varying degree. When the pelvis is so situated thatthe calyces all extend caudad or median, the kidney isabnormally rotated. In Fig. 18 a rather unusual arrange-ment of the calyces is visible, in that a considerable dis-tance separates the upper calyx from the other calyces,and also in that the direction of the pelvic axis and of theother calyces is transverse and caudad. In Fig. 19 thecalyces all extend caudad, showing the rotated position ofthe Fig. 18.—Normal pelvis. Major Calyx.—The outline of the major calyx may bedivided into three parts: (1) The base, or the portion whereit leaves the true pelvis; (2) the isthmus, or the cylindricportion which leads to a variable distance from the truepelvis; and (3) the apex or terminal portion of the calyx,from which the several minor calyces extend. The varia-tions from this common type are, however, considerable,and it may be difficult to identify the various divisions. Unusual length of the isthmus of one or more calyces is 56 PYELOGRAPHY
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectkidneys, bookyear1915
