[Immunohistological observation of tonsillae in IgA nephropathy].

OBJECTIVE

To realize the relationship between IgA nephropathy (IgA-N) and immunological abnormality of tonsillae.

METHOD: Thirty-one patients were diagnosed as IgA-N via renal puncture. Sixteen patients suffering from chronic tonsillitis as control. All resected tonsillae were labelled immunohistologically by ABC method.

RESULT: The differences of expression of IgA, IgG in the tonsillae between above two groups were significantly obvious. The number of lymphocytes which can produce IgA increased in IgA-N tonsillae.

CONCLUSION

The immune functions are abnormal in IgA-N patients. Tonsillectomy can prevent the antigen invasion, eliminate IgA originated from tonsillae, decrease the IgA immunocomplex in circulation, therefore decrease the IgA immunocomplex deposition in the basal membrane of glomeruli.