TEST DIRECTORY

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Laboratory:Hachioji

Chromosome 13 (congenital retinoblastoma RB1)

  • TEST NAME SPECIMEN
    REQUIREMENT
    (mL)
    CONTAINER CAP COLOR STORE
    TEMPERATURE
    (STABILITY)
    TURNAROUND
    TIME (DAY)
    METHODOLOGY REFERENCE RANGE
    (UNIT)
  • Ethics Specified days
    Chromosome 13 (congenital retinoblastoma RB1)
    Blood (heparin added)
    3.0
    PH5 Refrigeration
    7-10 FISH

    (Various) Band
    Culture lymphocytes or bone marrow cells, and fix metaphase cells. This method then stains the chromosomes with a dye to create a striped pattern (band), and analyzes the distribution and density of the band.
    G-Banding, which performs Giemsa staining after treatment with trypsin solution, C-Banding, which performs Giemsa staining after treatment with HCI, Ba (OH) 2, 2×SCC, these include Q-Banding, which involves staining with quinacrine mustard and then observing with a fluorescence microscope, and high-precision banding, which uses mitotic images from the end of prophase to the beginning of metaphase, and observes a larger number of bands than usual.

COMMENT


Avoid freezing. Acceptable days are Monday through Friday. Please provide the name of the clinical diagnosis and clinical findings on the request form. Please consult with us if the required specimen volume is not met for neonatal blood collection.
About Submission of Chromosome Testing Submit the specimen on the same day after collection.
Subject to ethical guidelines (see below)
Collect blood in the container shown below, mix well, and preserve refrigerated.
Submit the specimen on the same day after collection.

CONTAINER

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