Case Series
Atypical Causes of Urinary Tract Obstruction
Table 1
Characteristics of patients with UTO.
| Patient # | 1 | 2 | 3 | 4 |
| Peak creatinine (mg/dL) | 18.2 | 35.92 | 31.4 | 17.3 |
| BUN (mg/dL) | 85 | 148 | 187 | 86 |
| Lowest creatinine at recovery (mg/dL) | 0.92 | 1.06 | 1.31 | 1.6 |
| Cause | Bilateral ureteral obstruction | Urethral obstruction | Bladder outlet obstruction | Endometriosis |
| Pathology findings | Plasmacytomas | Prostate adenocarcinoma | Benign prostatic hyperplasia | Endometriosis |
| Management | Percutaneous nephrostomy and chemotherapy | Bladder catheterization | Bladder catheterization | Hysterectomy, hormonal therapy, hemodialysis |
| DDAVP given | Y | N | N | N/A |
| Days to lowest creatinine | 51 | 1 | 5 | 44 |
| Peak serum potassium (mmol/L) | 6.4 | 7.9 | 7.4 | 6.0 |
| pH | 7.25 | 7.12 | 7.18 | 7.33 |
| Bicarbonate (mmol/L) | 17.1 | 10.4 | 10 | 17 |
| pCO2 (mmHg) | 42.7 | 33.5 | 20.8 | 32.8 |
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