calculus

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Related to Staghorn Calculus: hydronephrosis
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Synonyms for calculus

an incrustation that forms on the teeth and gums

the branch of mathematics that is concerned with limits and with the differentiation and integration of functions

References in periodicals archive ?
In this case, the patient had a staghorn calculus with recurrent extended spectrum beta-lactamase producing Escherichia coli UTIs that lead to development of XGP with subsequent development of urinothorax.
Caption: FIGURE 2: Coronal CT scan of the abdomen and pelvis with contrast revealed a 6 mm obstructing right proximal ureteral stone (not shown in image) causing mild hydronephrosis and a 2 cm left inferior pole staghorn calculus causing calyceal dilatation (arrow).
Nephrolithotomy was done for large complex staghorn calculus branching into peripheral calyces.
Abdominal examination shows a staghorn calculus of the left kidney, extensive subcapsular hematoma with a maximum thickness of 4 cm.
A left retrograde pyelogram (RGP) showed gross upper pole caliectasis with pelvic staghorn calculus. Communication between the lower pole calyx and descending colon was demonstrated.
Ultrasound of diffuse XGP typically demonstrates an enlarged kidney with a large amorphous central echogenicity that corresponds to a renal pelvis staghorn calculus, multiple fluid-filled masses, and pelvic contracture.
There have been 100 cases reported worldwide in the literature, including a case scenario of a cutaneous retrocolic fistula in a patient who had a staghorn calculus and diverticulitis [8].
Access was gained through supracostal puncture in all patients initially, but difficulty in stone extraction, impacted stones and anatomically difficult entities like position of kidney, multiple small calculi in different calyces, staghorn calculus were reasons for acquiring another puncture site in 76 patients.