GroupID: 64

Case: 49Y0M, Sex Unknown, Ethnicity Unknown

DiseaseAssertion: assumed VHL

FamilyInfo: 1 of the 573 patients discussed in this paper were found to have this variant. This mutation (c.340G>T) was found in 1 VHL family with a single patient.

CasePresentingHPOs: HP:0006880 (cerebellar hemangioblastoma)

CaseHPOFreeText: patient had cerebellar hemangioblastoma diagnosed at 49Y

CaseNotHPOs: HP:0005584; HP:0009711; HP:0002666 (renal cell carcinoma; retinal capillary hemangioma; pheochromocytoma)

CaseNotHPOFreeText: N/A

CasePreviousTesting: N/A

PreviouslyPublished: N/A

SupplementalData: Supplementary Table S1.

Variant: p.G114C (c.340G>T)

CaseProblemVariantFreeText: N/A

LegacyVariant: N/A

ClinVarID: N/A

CAID: CA351751376 http://reg.clinicalgenome.org/redmine/projects/registry/genboree_registry/allele?hgvsOrDescriptor=NM_000551.3%3Ac.340G%3ET

gnomAD: N/A

VariantEvidence: N/A

MutationType: missense_variant;transversion

CivicName: G114C (c.340G>T)

MultipleGeneVariants: N/A

GroupID: 70

DiseaseAssertion: assumed VHL

GroupSize: 2

GroupNumberMales: N/A

GroupNumberFemales: N/A

GroupEthnicity: N/A

GroupAgeRange: N/A

GroupInfo: 2 of the 573 patients discussed in this paper were found to have identical variants. This mutation (c.395A>C) was found in 1 VHL family with 2 patients.

GroupPresentingHPOs: HP:0009711; HP:0006880; HP:0005584 (retinal capillary hemangioma; cerebellar hemangioblastoma; renal cell carcinoma)

GroupHPOFreeText: 1/2 patient had cerebellar hemangioblastoma (CHB) at 18Y, 1/2 had retinal capillary hemangioma (RH) at 37Y, and 1/2 had RCC at 49Y. Unclear as to which of the two patients these HPOs are paired to.

GroupNotHPOs: HP:0002666 (pheochromocytoma)

GroupNotHPOFreeText: N/A

GroupPreviousTesting: N/A

PreviouslyPublished: N/A

SupplementalData: Supplementary Table S1.

Variant: p.Q132P (c.395A>C)

CaseProblemVariantFreeText: N/A

LegacyVariant: N/A

ClinVarID: 496063 https://www.ncbi.nlm.nih.gov/clinvar/variation/496063/

CAID: N/A

gnomAD: N/A

VariantEvidence: N/A

MutationType: missense_variant;transversion

CivicName: Q132P (c.395A>C)

MultipleGeneVariants: N/A

PatientID: 1

KindredID: 1

Case: M, 51Y0M, Arab

DiseaseAssertion: VHL

FamilyInfo: Patient 2 (the patient’s brother) presented with the same mutation and was diagnosed with VHL at age 45. The two brothers had very similar VHL clinical manifestations including cerebellar hemangioblastomas, renal cell carcinoma, and cysts in the pancreas. However, patient 1 had testicular and epididymal cysts, as well as lesions in the spine, which were absent in Patient 2. No other family history was noted. Immediate family members were recommended to genetically test for the relevant variant or monitor for VHL-related symptoms.

CasePresentingHPOs: HP:0005584; HP:0009713; HP:0006880; HP:0000107; HP:0001737; HP:0030424; HP:0033608; HP:0000541; HP:0012215 (renal cell carcinoma; spinal hemangioblastoma; cerebellar hemangioblastoma; renal cyst; pancreatic cysts; epididymal cyst; pulmonary nodule; retinal detachment; testicular microlithiasis)

CaseHPOFreeText: At 44Y, Patient 1 exhibited cerebellar and spinal hemangioblastomas, as well as retinal detachment. He also had renal cell carcinoma in both kidneys and multiple cysts in one kidney, testis, and pancreas. He also reported a history of headaches and vertigo, leading to a diagnosis of VHL disease type 1. At 49Y, multiple nodules were found in his lungs and a year later, a nodule in the testis and scrotal lithiasis were detected. At 51Y, renal cell carcinoma was identified in the left kidney and his left epididymis was enlarged. Patient continued to present with left testicular and scrotal lithiasis, right retinal detachment, and multiple nodules in both lungs. However, tMutation:Germlinehe lung phenotype was asymptomatic (see table 1).

CaseNotHPOs: HP:0001392; HP:0005264; HP:0001743 (abnormality of the liver; abnormality of the gallbladder; abnormality of the spleen)

CaseNotHPOFreeText: No lesions were observed in the liver, gallbladder, and spleen.

CasePreviousTesting: N/A

PreviouslyPublished: N/A

SupplementalData:  N/A

Variant: p.F76del (c.227_229del)

LegacyVariant: N/A

CaseProblemVariantFreeText: N/A

ClinVarID: N/A

CAID: CA357012, https://reg.clinicalgenome.org/redmine/projects/registry/genboree_registry/allele?hgvsOrDescriptor=NM_000551.3%3Ac.227_229delTCT

gnomAD: N/A

VariantEvidence: N/A

MutationType: inframe_deletion

CivicName: F76del (c.227_229del)

MultipleGeneVariants: N/Av