Obligatory medical device diagnostics.
- Renal ultrasonography (ultrasound examination of the kidneys) [nephrotic syndrome: significantly enlarged kidneys, marked increase in parenchymechogenicity]
- Renal biopsy (tissue sampling from the kidney) – for definitive diagnosis, treatment planning, prognosis assessmentNote:
- Primarily not indicated in typical age of manifestation (childhood) and characteristic course with response to ex-juvantibus therapy (“clarification of the diagnosis from the cure”) with glucocorticoids.
- Primarily indicated in patient age > 10 years, steroid resistance (resistance to glucocorticoids), nephritic syndrome or suspected systemic disease.
- Renal biopsy is indicated only if it leads to therapeutic consequences.
Optional medical device diagnostics – depending on the results of the history, physical examination and obligatory laboratory parameters – for differential diagnostic clarification.
- Computed tomography (CT) of the abdomen (abdominal CT) – for further diagnostics.
