PatientID: 5

KindredID: 7

Case: M, 17Y0M, Spanish

DiseaseAssertion: VHL

FamilyInfo: No family history, assumed de-novo, but unclear if parents were tested to confirm de-novo assertion.

CohortInfo: 36 pediatric patients with pheochromocytomas and/or parangangliomas.

CasePresentingHPOs: HP:0002666 (pheochromocytoma)

CaseHPOFreeText: The patient had a benign bilateral pheochromocytoma that was secreting norepinephrine at age 10. At age 17, the pheochromocytoma reoccured but this time was malignant and metastasized to the lungs.

CaseNotHPOs: N/A

CaseNotHPOFreeText: N/A

CasePreviousTesting: RET, SDHA, SDHB, SDHC, SDHD, SDHAF2, TMEM127, MAX

PreviouslyPublished: Yes source unknown.

SupplementalData: N/A

Variant: p.R167W (c.499C>T) *The authors of this paper have seemingly called the wrong protein change for this variant.

CaseProblemVariantFreeText: N/A

LegacyVariant: N/A

ClinVarID: 2218 https://www.ncbi.nlm.nih.gov/clinvar/variation/2218/

CAID: N/A

gnomAD: 0.000007954 https://gnomad.broadinstitute.org/variant/3-10191506-C-T

VariantEvidence: N/A

MutationType: missense_variant; transition

CivicName: R167W (c.499C>T)

MultipleGeneVariants: N/A

PatientID: V-PH-05T

KindredID: 3

Case: F, 27Y0M, Ethnicity Unknown

DiseaseAssertion: assumed VHL

FamilyInfo: No familial cancers/syndromic illnesses

CasePresentingHPOs: HP:0002666; HP:0009711 (pheochromocytoma, retinal capillary hemangioma)

CaseHPOFreeText: diagnosed with recurrent phaeochromocytoma at age 12Y, surgery at 27Y. She also had a personal history of angioma of the right eye, laparotomy & numerous thyrocotomies, and a history of hypertension. Presence of elevated catecholamines, but no further details.

CaseNotHPOs: N/A

CaseNotHPOFreeText: N/A

CasePreviousTesting: RET, SDHA, SDHB, SDHC, TMEM127

PreviouslyPublished: 26796762

SupplementalData: Yes (see table S1 and S10)

Variant: p.T157I (c.470C>T)

LegacyVariant: N/A

CaseProblemVariantFreeText: Stated as ENSP00000256474.2:p.Thr157Ile

ClinVarID: 223223 https://www.ncbi.nlm.nih.gov/clinvar/variation/223223/

CAID: N/A

gnomAD: N/A

VariantEvidence: N/A

MutationType: missense_variant;transition

CivicName: T157I (c.470C>T)

MultipleGeneVariants: Germline, SDHA, c.113A>T (p.Asp38Val)