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123447 Pathology

A 50 year old male presented with signs and symptoms of restrictive hea disease. A right ventricular endo-myocardial biospy revealed deposition of extracellular eosionophilic hyaline material. On transmission electron microscopy, this material is most likely to reveal the presence of:

ANon branching filaments of indefinitive length
BCross banded fibres with 67 m periodicity
CWeibel-Palade bodies
DConcentric whorls of lamellar structures
Pathology
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