. Roentgen interpretation; a manual for students and practitioners . Fig. ISO. -Diverticulum of the bladder, demonstrated by means of the radiographiccatheter. 204 GEN I TO-URINARY TRACT cases, particularly of tuberculosis, distention of the bladder maycause the solution to run up a dilated, irregular ureter and visualizeit and the kidney pelvis when catheterization is impossible. Inchildren where it is difficult to catheterize the ureters, they maysometimes be similarly filled by distention of the bladder in casesof obstruction at the neck of the bladder due to congenital valvesin the region
. Roentgen interpretation; a manual for students and practitioners . Fig. ISO. -Diverticulum of the bladder, demonstrated by means of the radiographiccatheter. 204 GEN I TO-URINARY TRACT cases, particularly of tuberculosis, distention of the bladder maycause the solution to run up a dilated, irregular ureter and visualizeit and the kidney pelvis when catheterization is impossible. Inchildren where it is difficult to catheterize the ureters, they maysometimes be similarly filled by distention of the bladder in casesof obstruction at the neck of the bladder due to congenital valvesin the region of the verumontanum. Congenital anomalies aresometimes encountered, such as hour-glass bladder and patenturachus which gives a thin line of solution extending upward Fig. 181.—Papillomatous tumor of the bladder, on which there is a deposit of calcium. Tumors may be extensive enough to produce defects in thethorium shadow, although it is unusual. A better method for theirdemonstration, which is equally useful in the case of stone, is toinflate the bladder with air and secure stereoscopic plates. Hyper-trophied prostates may be well outlined by inflating both the bladderand the rectum with air. REFERENCES 205 MALE GENITALS. Small multiple calculi occur in the prostate and may be mistakenfor urinary concretions. The vas deferens and seminal vesicles,when injected with silver solution, show a certain amount of dis-tortion as a result of vesiculitis. This procedure will probablynever come into extensive use. FEMALE GENITALS. Calcification is often seen in fibroids in the form of round, irregu-larly calcified masses, often multiple and occupying any portionof the pelvis. In rare cases the ovaries may be calcified. They areoval, flattened, spongy masse
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