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Introduction: Eosinophilic ureteritis is a very rare etiology of ureteric obstruction that leads to hydroureteronephrosis. We have only so far discovered a few case reports discussing eosinophilic ureteritis and the exact cause of this condition is poorly understood. Clinical findings: we report a very interesting case of a 71-year-old patient presenting with general weakness and oliguria, computed tomography (CT) scan found bilateral hydroureteronephrosis caused by recurring ureteric strictures. Diagnosis, interventions, and outcomes: ureterorenoscopy (URS) to extract a specimen for biopsy and laser fulguration to relieve ureteral strictures was performed. Double-J (DJ) stents were inserted both in the left and right ureters to overcome the ureteric strictures. Microscopy of the excised specimen revealed dominant eosinophilic infiltration. Therefore, diagnosis of eosinophilic ureteritis was made. In addition to stenting, Meropenem and Mirabegron was given to the patient. After a week of observation, the patient made a full recovery with no signs of initial symptoms. Conclusion: It is important to consider eosinophilic ureteritis in the differential diagnosis of any ureteric stricture because it is a highly uncommon entity with variable clinical characteristics. The gold standard procedure, which should be utilized to make the diagnosis, is a histological examination. |
