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Karyotype, GTG-banding -Tumour

Alternate test name

Chromosome Analysis


Gene name / Alternate gene name
  • All chromosomes
Lab area
Genome Diagnostics - Cytogenetics
Method and equipment
Direct preparation and culture; G-banding
Expected turn-around time
2-3 weeks
Specimen type


Specimen requirements

Minimum 2-3 mm3 fresh tissue

Storage and transportation

Refrigerate until time of shipment. Ship sample overnight at room temperature for receipt at SickKids Cytogenetics Laboratory within 24 hours of collection.

Special requirements

Place in sterile container with SickKids Cytogenetics transport media or other sterile culture media.

Shipping information
The Hospital for Sick Children
Division of Genome Diagnostics
555 University Avenue, Black Wing, Room 3416
Toronto, ON
M5G 1X8
Phone: 416-813-7200 ext. 2
Hours: Monday to Friday, 8 a.m. to 4:30 p.m.
Off hours: Please send to Rapid Response Laboratory, 555 University Avenue, Room 3642
Email Molecular Lab:
Email Cytogenetics:
Background and clinical significance

Pediatric lymphomas and solid tumours often have recurrent chromosome changes that correlate with diagnosis and prognosis.

Disease condition

Pediatric lymphomas and solid tumours

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