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Hepatic granulomata in long-term hemodialysis patients with hyperaluminumemia
H Kurumaya1, N Kono, Y Nakanuma
1Second Department of Pathology, School of Medicine, Kanazawa University, Japan.
Abstract:
We describe two long-term hemodialysis patients with hyperaluminumemia, in whom multiple granulomata were found in the livers at autopsy. The granulomata were mainly composed of modified macrophages, and aluminum was constantly detected in the cytoplasm of these macrophages by histochemical analysis, as well as by X-ray microanalysis. These granulomata were also found in the spleen and lymph nodes. The constant presence of aluminum in the mononuclear phagocytic system might have been followed by the development of granulomata. Functional disturbances of the liver were not evident.
Insights
Long-term hemodialysis patients with high blood aluminum levels developed granulomas in organs. Aluminum was found in macrophages within these granulomas, suggesting a link between aluminum accumulation and granuloma formation.
Area of Science:
- Nephrology
- Pathology
- Toxicology
Background:
- Long-term hemodialysis can lead to aluminum accumulation in patients.
- Hyperaluminumemia is a known complication of renal failure and dialysis.
Observation:
- Autopsies of two hemodialysis patients revealed hepatic granulomas.
- Granulomas were also identified in spleen and lymph nodes.
- Aluminum was consistently detected within macrophages in these granulomas.
Findings:
- The granulomas were primarily composed of modified macrophages.
- Histochemical analysis and X-ray microanalysis confirmed aluminum presence in macrophage cytoplasm.
- Aluminum accumulation in the mononuclear phagocytic system may precede granuloma development.
Implications:
- This study highlights a potential mechanism for granuloma formation in hemodialysis patients due to aluminum toxicity.
- Early detection and management of hyperaluminumemia may be crucial.
- Further research is needed to understand the functional impact on organs.