Lymphoma vs. ureterolith/hydronephrosis
17 year old MN DLH presented for vomiting, lethargy and anorexia. Painful on abdominal palpation. Marked azotemia with mild increase in K initially. Phosphorous elevated and HCT low normal with rehydration. Renal values have been coming down on IVF. No uroliths seen in urinary bladder, one stone appreciated in left renal pelvis, but not obstructive….