GroupID: 287

DiseaseAssertion: VHL

GroupSize: 2

GroupNumberMales: N/A

GroupNumberFemales: N/A

GroupEthnicity: French

GroupAgeRange: N/A

GroupInfo: 2 members of this family are reported as carrying the c.197_220del24 germline variant of the VHL gene. Member 6396 presented with mild renal disease. Member 6611 presented with severe renal disease (RCC). Families were recruited from the French VHL Registry. Enrolment in the study required identification of the germline VHL mutation (currently 85% of the families included in the French VHL Registry) and available data regarding renal phenotype. A total of 126 families fulfilled these criteria.

GroupPresentingHPOs: HP:0009726; HP:0005584 (Renal neoplasm, Renal cell carcinoma)

GroupHPOFreeText: Mild renal disease (simple renal cyst, multicystic kidney[s], small lesion [less than 10 mm in size] of unknown significance, or small solid tumor without indication for surgical removal [less than 30 mm in size]). Severe renal disease (any solid lesion before 25 years of age, five or more solid lesions within one or two kidneys, or metastasis of renal cell carcinoma).

GroupNotHPOs: N/A

GroupNotHPOFreeText: N/A

GroupPreviousTesting: N/A

PreviouslyPublished: Paper states that this family is previously reported in PMID 9829912, where 1 patient with this mutation is reported but relation to this patient is unclear.

SupplementalData: Phenotype and genotype information can be found in Supplementary Table S1.

Variant: p.N67_V74del (c.197_221del)

LegacyVariant: N/A

CaseProblemVariantFreeText: N/A

ClinVarID: N/A

CAID: CA2573130203, https://reg.clinicalgenome.org/redmine/projects/registry/genboree_registry/by_caid?caid=CA2573130203

gnomAD: N/A

VariantEvidence: Variant reported as c.197_220del and was mapped to c.198_221del.

MutationType: inframe_deletion; deletion

CivicName: N67_V74del (c.197_221del)

MultipleGeneVariants: N/A

Molecular and clinical analysis of 126 French VHL families tested for renal involvement revealed 92 different mutations. 90 of these families had renal involvement. The p.N67_V74del (c.197_221del) germline variant of the VHL gene was detected in a family (ID 287). Member 6396 presented with mild renal disease. Member 6611 presented with severe renal disease (RCC). The paper states that this family is previously reported in PMID 9829912, where 1 patient with this mutation is reported but relation to this patient is unclear. The variant is reported as c.197_220del which was mapped to c.198_221del.