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Unit Code 87862:
Neuroblastoma, N-myc Amplification, FISH

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Specimen Required

Please provide a pathology report with each tissue specimen.

The laboratory will not reject specimens that arrive without this

information but will hold the specimen until a pathology report

is received.

 

Submit only 1 of the following specimens:

 

Preferred:

Paraffin-Embedded Tissue Block

Formalin-fixed, paraffin-embedded tumor tissue block.

Include 1 hematoxylin-and-eosin stained slide.

Note:    If ordering electronically, please complete and submit a

                "MayoConnect Additional Test Information Form" (Supply

                T357 or see Special Instructions) with the specimen. If not

ordering electronically, please complete and submit a

"Cytogenetics Hematologic Disorders Request Form"

(Supply T607) with the specimen.

 

Alternate:

Bone Marrow

Obtain 1 mL to 2 mL of bone marrow in a green-top (sodium heparin)

tube(s). Invert several times to mix bone marrow. (Clotted bone

marrow is not acceptable.) Other anticoagulants are not

recommended and are harmful to the viability of the cells. Label vial

with patient's name and laboratory control number. Forward promptly

at ambient temperature. Specimen cannot be frozen. Advise

Express Mail or equivalent if not on courier service.

Note:      If ordering electronically, please complete and submit a

                  "MayoConnect Additional Test Information Form" (Supply

                  T357 or see Special Instructions) with the specimen. If not

                  ordering electronically, please complete and submit a

                  "Cytogenetics Hematologic Disorders Request Form"

                  (Supply T607) with the specimen.

Transport Temperature

Varies
Ambient\Refrig NO\Frozen NO-tissue
Ambient\Refrig OK\Frozen NO-bone marrow

Reject Due To

Specimens Other Than:                 Tissue, bone marrow

Anticoagulants Other Than:           Sodium heparin preferred, others

                                                                have limited success but are

                                                                acceptable

Hemolysis:                                          No

Thawing:                                              NA

Lipemia:                                               No

Day(s) and Time(s) Test Performed

Monday through Friday; 6:30 a.m.-5:30 p.m.

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