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[Extra-capillary proliferation complicating the development of an extramembranous idiopathic glomerulonephritis]
H Nzeyimana1, W Jaber, H Beaufils
1Service de néphrologie-dialyse, Centre hospitalier général, Le Mans.
Abstract:
Occurrence of crescentic formation superimposed to idiopathic membranous glomerulopathy worsens severely its prognosis with evolution to end stage renal disease. We report the case of a 65 years old man with nephrotic idiopathic membranous glomerulopathy who subsequently developed an acute renal failure secondary to crescentic formation. Pulse of high dose methylprednisolone administration improved renal function. Seven similar observations are analysed and pathogenic mechanisms discussed.
Insights
Idiopathic membranous glomerulopathy with crescent formation indicates a poor prognosis. High-dose methylprednisolone pulse therapy can improve kidney function in these patients.
Area of Science:
- Nephrology
- Pathology
Background:
- Idiopathic membranous glomerulopathy (IMG) is a common cause of nephrotic syndrome in adults.
- Superimposed crescentic glomerulonephritis significantly worsens the prognosis of IMG, often leading to end-stage renal disease (ESRD).
Observation:
- A 65-year-old male with nephrotic IMG presented with acute renal failure.
- The renal failure was attributed to the development of crescentic glomerulonephritis.
- High-dose methylprednisolone pulse therapy was administered.
Findings:
- The patient experienced improved renal function following methylprednisolone treatment.
- Analysis of seven similar cases suggests a pattern of response to this intervention.
- Pathogenic mechanisms underlying this superimposed condition were discussed.
Implications:
- Early recognition and intervention with high-dose corticosteroids may be beneficial for patients with IMG and superimposed crescent formation.
- This approach could potentially alter the natural history towards ESRD.
- Further research into the specific pathogenic mechanisms is warranted.