PatientID: II-1
KindredID: 1
Case: M, 57Y0M, Ethnicity Unknown
DiseaseAssertion: VHL
FamilyInfo: Family in India but Ethnicity not explicitly confirmed. Two children with the same mutation. Eldest son presented at age 10 with severe hypertension and bilateral pheochromocytoma. Daughter presented at age 17 with palpitation, blurred vision, blurring vision, bilateral papilledema and bilateral pheochromocytoma. Wife and brother were negative for the mutation.
CasePresentingHPOs: HP:0000822; HP:0002666; HP:0006748; HP:0002315; HP:0001250; HP:0031657 (Hypertension, Pheochromocytoma, Adrenal pheochromocytoma, Headache, Seizure, Abnormal heart sound)
CaseHPOFreeText: Presented at 14 years-old with severe hypertension. On evaluation he was found to have a right adrenal mass with elevated urinary VMA, confirming the diagnosis of a right adrenal pheochromocytoma. Presented at age 22 with severe headache and recurrent seizures. Cardiac auscultation revealed a loud 2nd heart sound and a 3rd heart sound. Examination of the abdomen revealed a palpable mass in the left hypochondrium. This mass was confirmed as a pheochromocytoma. Asymptomatic at age 57.
CaseNotHPOs: HP:0030148 (Heart murmur)
CaseNotHPOFreeText: There were no heart murmurs during evaluation at age 22.
CasePreviousTesting: N/A
PreviouslyPublished: N/A
SupplementalData: Figure 1
Variant: p.R82L (c.245G>T)
LegacyVariant: N/A
CaseProblemVariantFreeText: N/A
ClinVarID: 526675, https://www.ncbi.nlm.nih.gov/clinvar/variation/526675/
CAID: N/A
gnomAD: N/A
VariantEvidence: Authors carried out analysis of VHL variant p.Arg82Leu with six different in silico tools namely SIFT, I-Mutant3, PhD-SNP, MutPred, PolyPhen2 and SNPs&GO in order to determine the pathogenic potential of the variant.
MutationType: missense_variant;transversion
CivicName: R82L (c.245G>T)
MultipleGeneVariants: N/A