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minimal change disease
Minimal Change Disease (MCD, also known as Nil Lesions, Nil Disease, or lipoid nephrosis) is a disease of the kidney that causes nephrotic syndrome and usually affects children (peak incidence at 2–3 years of age).
==Epidemiology==
Minimal Change Disease is most common in very young children but can occur in older children and adults. It is by far the most common cause of nephrotic syndrome (NS) in children between the ages of 1 and 7, accounting for the majority (about 90%) of these diagnoses. Among teenagers who develop NS, it is caused by minimal change disease about half the time. It can also occur in adults but accounts for less than 20% of adults diagnosed with NS. Among children less than 10 years of age, boys seem to be more likely to develop minimal change disease than girls. Minimal change disease is being seen with increasing frequency in adults over the age of 80.
People with one or more autoimmune disorders are at increased risk of developing minimal change disease. Having minimal change disease also increases the chances of developing other autoimmune disorders.
Most cases of MCD are idiopathic, but there have been causes of secondary MCD identified, including medications, immunizations, neoplasm, and infection. Case reports and literature reviews have shown an association between MCD and malignancies, particularly hematologic malignancies, such as Hodgkin’s disease, non-Hodgkin lymphomas, or leukemias. Colorectal cancer-associated MCD is uncommon and has been reported in only a few cases to date.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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