Case Report
Ureteral Strangulation by Fibrosis: A Cold Case Report of Ormand's Disease
Table 3
Differential diagnosis of retroperitoneal fibrosis [
4].
| | Retroperitoneal fibrosis | Retroperitoneal lymphoma | Sclerosing mesenteritis | Desmoid-type fibromatosis | Inflammatory myofibroblastic tumor | Well-differentiated liposarcoma sclerosing variant |
| Ureteral obstruction | ~80% | ~50% | Rare | Rare | Rare | Unknown | Ureteral displacement | Medial | Lateral | | | | | Aortic displacement | Rare | Anterior | | | | | Reactive perivascular lymphoid aggregates | 100% | Absent | Variable | Rare | Variable | Present in the inflammation type | Necrosis | Absent | Variable | Fat necrosis | Rare | Focal | Fat necrosis | Vasculitis | ~50% | Absent | Absent | Absent | Absent | Absent | B-Catenin | Negative | Unknown | Negative | Positive in 90% | Negative | Variable | ALK-1 | Negative | Negative | Negative | Negative | Positive in 50% | Negative | Desmin | Negative | Negative | Variable | Rare | Positive | Rare | S100 | Negative | Negative | Negative | Rare | Negative | Positive in adipocytic component |
|
|