Clinical Indication ID & Name
APC associated Polyposis
Test Group
Core
Specialties
Test code
R414.1
Test name
N/A
Target genes
APC
Test scope
n/a
Test method/ technology
Single gene sequencing >=10 amplicons
Optimal Family Structure
n/a
Eligibility Criteria
Testing in children / young adults who may be too young to have developed bowel polyps. To be done prior to colonoscopy, on the basis of one or more of the following APC-associated findings:
1. Multifocal or bilateral CHRPE as assessed by experienced Opthalmologist, OR
2. Aggressive fibromatois/Desmoid tumour (CTNNB1 WT where testing performed) OR
3. Cribriform-morular variant of papillary thyroid cancer OR
4. Hepatoblastoma OR
5. Multiple osteomas of skull and mandible or multiple dental abnormalities (unerupted teeth, supernumerary teeth with dentigerous cysts or odontomas) in children/young adults
Test code
R414.2
Test name
N/A
Target genes
APC
Test scope
n/a
Test method/ technology
MLPA or equivalent
Optimal Family Structure
n/a
Eligibility Criteria
Testing in children / young adults who may be too young to have developed bowel polyps. To be done prior to colonoscopy, on the basis of one or more of the following APC-associated findings:
1. Multifocal or bilateral CHRPE as assessed by experienced Opthalmologist, OR
2. Aggressive fibromatois/Desmoid tumour (CTNNB1 WT where testing performed) OR
3. Cribriform-morular variant of papillary thyroid cancer OR
4. Hepatoblastoma OR
5. Multiple osteomas of skull and mandible or multiple dental abnormalities (unerupted teeth, supernumerary teeth with dentigerous cysts or odontomas) in children/young adults
Commissioning group
Core
Overlapping idications
•R211 for individuals with polyposis who should proceed to full polyposis panel •R359 Childhood solid tumor panel
Address for samples/request forms
North Thames GLH, Rare & Inherited Disease Genomic Laboratory
Specimen Reception, Level 5 Barclay House, 37 Queen Square,
London WC1N 3BH
Contact with queries
Supporting documents
Rare Disese WGS Clinician pack
Education resources
n/a
Service updates
n/a
Request form download
Consent record
See consent guidance in test request form
Sample requirements
See sample guidance in test request form