Microdeposits of amyloid in sclerocalcific heart valves: a histochemical and immunofluorescence study.

نویسندگان

  • Y A Goffin
  • W Murdoch
  • G G Cornwell
  • G D Sorenson
چکیده

Amyloid associated with seven sclerotic and two normal aortic and mitral valves was studied. The sclerotic valve amyloid contained microfibrils with typical random orientation and a fibril width of 9.5-12.5 nm. The amyloid deposits demonstrated permanganate-resistant Congophilia and contained the amino acid tryptophan. Immunofluorescence studies showed P-component in amyloid deposits of 6 of 7 valves, but none of the sclerotic valves contained amyloid fibril proteins of the AL (primary), AA (secondary), AEt (medullary thyroid carcinoma) or ASc1 (senile cardiac) types. Two non-sclerotic valves, removed from a patient with systemic amyloidosis, showed permanganate-sensitive Congophilic amyloid deposits which contained amyloid fibril protein AA.

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عنوان ژورنال:
  • Journal of clinical pathology

دوره 36 12  شماره 

صفحات  -

تاریخ انتشار 1983