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[Essential mixed cryoglobulinemia with liver involvement: a still open problem]
A Grieco1, R Manna, A Pietrantoni
1Istituto di Clinica Medica Generale, Università Cattolica Sacro Cuore, Roma.
Minerva Medica
|July 1, 1990
Summary
Essential mixed cryoglobulinemia (EMC) can involve the liver, even without obvious symptoms. Liver biopsy is crucial for diagnosing and understanding liver damage in EMC patients.
Area of Science:
- Immunology
- Hepatology
- Rheumatology
Context:
- Essential mixed cryoglobulinemia (EMC) is a systemic condition characterized by cryoglobulinemia, purpura, arthralgia, and asthenia.
- Liver involvement is common in EMC, often presenting as mild hepatosplenomegaly and elevated liver enzymes.
- The exact pathogenesis of liver involvement in EMC remains unclear.
Purpose:
- To evaluate the degree of liver involvement in patients with essential mixed cryoglobulinemia (EMC) using percutaneous liver biopsy.
- To investigate the relationship between cryoglobulin type and liver pathology in EMC.
- To explore the potential role of Hepatitis B Virus (HBV) infection in the pathogenesis of liver disease in EMC.
Summary:
- Eleven patients with suspected EMC (five type II, six type III) underwent liver biopsy.
- Biopsies revealed various liver conditions, including cirrhosis, chronic active hepatitis, chronic persistent hepatitis, and hepatic steatosis.
- Type III cryoglobulinemia was more frequent in patients with liver involvement; HBV markers were mostly negative, suggesting HBV is not a primary cause of liver disease in EMC.
Impact:
- Highlights the necessity of liver biopsy for detecting subclinical liver disease in EMC patients.
- Suggests that EMC-related liver disease is distinct from mixed cryoglobulinemia secondary to chronic liver disease.
- Underscores the importance of considering EMC as a potential cause of liver abnormalities, even with silent clinical and laboratory findings.