AllRefer Health - Karyotyping (Chromosome Analysis)

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You are here : AllRefer.com > Health > Tests & Exams > Karyotyping

Karyotyping


•	Definition
•	Why is the Test Performed?
•	How is the Test Performed?
•	How to Prepare for the Test?
•	How will the Test Feel?
•	Normal Values
•	What do Abnormal Results Mean?
•	Special Considerations
•	Risks
•	Pictures & Images
•	Go To Main Page

Alternate Names : Chromosome Analysis

Definition

Karyotyping is a test to identify chromosome abnormalities as the cause of malformation or disease. This test can:

Count the number of chromosomes
Look for structural changes in chromosomes

The results may indicate genetic changes linked to a disease.

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Karyotyping

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Why is the Test Performed?

The blood test is usually performed to evaluate a couple with a history of miscarriages or to evaluate an abnormal appearance of the body that suggests a genetic abnormality. The bone marrow or blood test can be done to identify the Philadelphia chromosome that is present in 85% of those with Chronic myelogenous leukemia (CML). The amniotic fluid test is done to evaluate a developing fetus for chromosome abnormalities.

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• Definition
• Why is the Test Performed?
• How is the Test Performed?
• How to Prepare for the Test?
• How will the Test Feel?
• Normal Values
• What do Abnormal Results Mean?
• Special Considerations
• Risks
• Pictures & Images

Review Date : 8/6/2003
Reviewed By : Douglas R. Stewart, M.D., Division of Medical Genetics, Hospital of the University of Pennsylvania, Philadelphia, PA. Review provided by VeriMed Healthcare Network.

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