Membranous glomerulonephritis history and symptoms
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief:
Overview
The majority of patients with [disease name] are asymptomatic.
OR
The hallmark of [disease name] is [finding]. A positive history of [finding 1] and [finding 2] is suggestive of [disease name]. The most common symptoms of [disease name] include [symptom 1], [symptom 2], and [symptom 3]. Common symptoms of [disease] include [symptom 1], [symptom 2], and [symptom 3]. Less common symptoms of [disease name] include [symptom 1], [symptom 2], and [symptom 3].
History and Symptoms
History
Common Symptoms
- The most frequent presentation is proteinuria in nephrotic range, with or without the other findings of the complete NS. In a variable percentage of cases present as asymptomatic proteinuria. There is microscopic hematuria in most of patients, but macrohematuria is rare. Exceptionally it can appear with isolated hematuria. The renal function can be slightly altered at the time of the diagnosis in many cases, but renal failure is unusual at presentation. In 25-33% of the cases systemic hypertension is documented. MGN may appear to any age, with predilection by 4º and 5º decades of the life.
- The clinical course of MGN is very variable, in many patients there is a favorable course; approximately 25% of patients will have partial or complete spontaneous remission, although, until 29% of them will present recurrence. Around 50% of patients will not present alteration of the renal function. In a small number of cases there will be a fast loss of renal function or death. This variable evolution makes difficult interpretation of clinical trials or treatment response. Treatment with steroids, clorambucil or other immunosuppressors has shown contradictory results; it does not exist at the present moment an universally accepted treatment.
- Cases of post-transplant recurrent MGN have been informed, but, there are no large series that allow determining with precision the percentage of post-transplant recurrence. Since renal transplant receptors are susceptible to many causes of secondary MGN, an underlying or associated cause must be looked for. Histologically is not possible to differentiate between recurrent MGN and de novo MGN in a transplanted kidney; for this differentiation the histologic study in the native kidney is indispensable.