TEST DIRECTORY

COMMENT

The purpose of this study is to detect EGFRgene mutation, ALKfusion gene,ROS1fusion gene, METex14 skipping mutation, KRASG12C gene mutation,BRAF gene mutation, and RETfusion gene using nucleic acids extracted from cancer tissues to determine the indication of drugs for non-small cell lung cancer.
The percentage of tumor cells required for testing is 5% or more. Please see below for notes on submitting unstained specimen slides. In addition, when submitting specimens, follow the detailed information for specimen submission in the product pamphlet issued by DNA Chip Research Laboratories.
Avoid duplicate requests with other items. Since this test method is more susceptible to contamination, handle the specimens with care when collecting them.
※To request this test, an account registration application is required.
※The turnaround timer refers to the number of days required to confirm the test results on the dedicated cloud system. We will also send you a report 2 business days after you confirm the test results on the cloud system,
●When requesting this test
Submit specimens according to the detailed information for specimen submission in the product pamphlet issued by the DNA Chip Research Institute.
Unstained specimen slides should be histopathologically evaluated to ensure that tumor cells are present in a percentage greater than that required for testing.
●About unstained specimen slides
The collected tissue should be immediately immersed in a 10% neutral buffered formalin solution for fixation (Recommended fixation time is 6-48 hours). When submitting, prepare serial sections of the specified thickness from formalin-fixed, paraffin-embedded (FFPE) blocks made within the last 3 years to the extent possible. Be careful to avoid contamination by changing the microtome blade for each specimen during thin sectioning. Additionally, note that since nucleic acids are fragmented by formalin fixation of tissues, analysis may not be possible depending on the type and composition of the fixation solution, fixation time, and storage conditions of the specimens after fixation.
●About biopsy specimens
Note that biopsy specimens are often minute amounts of specimen, and the tissue itself may be almost lost or may be a piece of tissue that contains no tumor cells.
●About cytology specimens
Be sure to use GM tubes. Make sure to confirm malignant cells by cytological evaluation before submitting the specimen in a refrigerated condition.

supplementary information

2023/02/13→梅津

2023/02/13

2023/02/13

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