Information on collection, storage, and volume
Lung; formalin-fixed paraffin-embedded (FFPE) tissue
Five slides (4- to 5-micron) on positively charged slides or one paraffin block
Two slides (4- to 5-micron) on positively charged slides or one paraffin block
Maintain specimen at room temperature.
Tumor other than lung; use of fixatives other than 10% formalin; improper embedded prep; poor fixation <6 hours and >72 hours; decalcified bones or bone core; absence of tumor or quantity not sufficient for analysis
Time from tissue acquisition to fixation should be as short as possible; samples for ALK testing are fixed in 10% neutral buffered formalin for 6-72 hours; cytology specimens must be fixed in formalin.
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