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HTO 140
H&E quiz
Question | Answer |
---|---|
Produced from heat artifact; laser techniques | Dark basophilic staining around edges of tissue |
Left too long in hematoxylin | Dark nuclear staining |
not enough time in hematoxylin | pale nuclear staining |
due to incomplete fixation on the processor | nuclear staining not crisp |
Not enough adequate time in alchol for proper differentiation | Eosin not properly differentiated |
unfiltered hematoxylin | blue-black precipitate on top of sections |
incomplete drying, not enough time in xylene and water left in tissue | incomplete deparaffinization |
section left in eosin too long | Dark cytoplasmic staining |
hematoxylin is breaking down | red or red-brown nuclei |
high eosin pH/ sections too thin | Pale Cytoplasmic staining |