Öz
Multiple sclerosis (MS) is the most frequent neuroinflammatory disease of the central nervous system. Lower urinary tract dysfunction is a common and important problem in patients with MS. Most patients present with bladder hyperreflexia and failure to empty the bladder secondary to detrusor-distal sphincter dyssynergia. Severe acute kidney injury is a rare case in these patients in the literature. In this study, a 41-year-old female patient with a severe acute kidney injury (AKI) who was diagnosed with MS 15 years ago is presented. The physical examination of the patient presented in the emergency department with complaints of decreased urine amount, edema in the legs, difficulty in walking, and diplopia revealed glob vesicale, pretibial +3 edema, loss of strength in the left lower extremity, nystagmus in the left eye. Urea >268 mg/dl, creatinine: 26.74 mg/dl were detected in the laboratory tests of the patient who had no history of kidney disease. It was accepted as stage 3 according to the acute kidney disease-KDIGO (Kidney Disease Improving Global Outcomes) classification. No pathology was found in the computerized tomography and urinary ultrasonography except for bilateral grade 2-3 hydronephrosis. After the urinary catheterization was performed, the residual urine was drained and recorded as 7000 mL in total. A recovery in the patient's renal functions was achieved within 10 days with urinary catheterization and supportive therapy. An early detection of lower urinary system dysfunction in patients with MS is important as it may cause mortality and morbidity. Therefore, all patients with MS should be evaluated from a neurourological perspective.