[Histochemical studies of cutaneous lichen amyloidosis using light and electron microscopy].
Ten cases of cutaneous lichen amyloidosis are reported. Amyloid deposits were found to be limited to the papillary dermis. The amyloid masses were often fissured and had an amorphous eosinophilic globular appearance. The protein was confirmed by histochemistry as amyloid-associated protein. The epidermal origin of the amyloid deposit has been confirmed by electron microscopy. The amyloid deposit was of variable island structure, accompanied by filaments.
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PUMC Hospital.
D000328:Adult; D000368:Aged; D000686:Amyloidosis / Q000378:metabolism / Q000473:pathology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D000685:Serum Amyloid A Protein / Q000032:analysis; D012867:Skin / Q000378:metabolism / Q000648:ultrastructure*; D012871:Skin Diseases / Q000378:metabolism / Q000473:pathology*
D000685:Serum Amyloid A Protein