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UND 363 Chur-schenk

UND 363 Churukian-Schenk

QuestionAnswer
purpose for Churukian-schenk demo argyrophil granules in neurosecretory tumors (ie cardinoid tumors)
principle for Churukian-schenk argyrophil tech. therefore can bind silver but cannot reduce w/t reducer substance
fix NBF
tech 4-5 chem cleaned glass
qc argyophil pos. (carcinoid tumor preferred), but can used sm. intestine
reagents for Churukian-schenk acidified water (citric acid)- prep step, silver nitrate - impregnation, soduim sulfite/hydroquinone - reducer, N fast red counterstain
results for Churukian-schenk argyrophil granules/argentaffin substances - black, nuclei - red, background yellowbrown
Created by: mustangvxd