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Nephrotic syndrome associated with agnogenic myeloid metaplasia
1Yale-Waterbury Primary Care Residency, Program, St. Mary's Hospital, Waterbury, Conn. 06702.
Abstract:
Agnogenic myeloid metaplasia (AMM), a myeloproliferative disorder of clonal origin, can affect the kidneys via several mechanisms. Associated disorders include asymptomatic interstitial extramedullary hematopoiesis, obstructive uropathy and nephrolithiasis. Currently, there are no descriptions of the nephrotic syndrome associated with AMM. We present a case of AMM associated with the nephrotic syndrome, a mesangial proliferative glomerular lesion and extramedullary hematopoiesis.
Insights
Agnogenic myeloid metaplasia (AMM), a myeloproliferative disorder, can cause kidney issues. This study details a rare case of AMM presenting with nephrotic syndrome and glomerular lesions.
Area of Science:
- Nephrology
- Hematology
- Oncology
Background:
- Agnogenic myeloid metaplasia (AMM) is a myeloproliferative neoplasm.
- Kidney involvement in AMM typically includes extramedullary hematopoiesis, obstructive uropathy, and nephrolithiasis.
- Nephrotic syndrome has not been previously described in association with AMM.
Observation:
- This report presents a unique case of AMM.
- The patient exhibited nephrotic syndrome.
- Renal biopsy revealed a mesangial proliferative glomerular lesion.
Findings:
- The case demonstrates a novel association between AMM and nephrotic syndrome.
- Extramedullary hematopoiesis was also observed in the affected kidneys.
- The glomerular lesion suggests a direct or indirect mechanism linking AMM to nephrotic syndrome.
Implications:
- This finding expands the spectrum of renal manifestations of AMM.
- It highlights the importance of considering AMM in patients presenting with nephrotic syndrome and myeloproliferative disorders.
- Further research is warranted to elucidate the pathophysiology of this association.