1, carrier*
| No symptom at age 72 | No tumour detected | Stroke, carotid artery surgery |
2, affected*
| 20 | Large unilateral carotid body tumour (not resected), visible, palpable lump in the neck | – |
6, affected*
| 42 | Unilateral carotid body tumour (not resected), visible, palpable lump in the neck, difficulty swallowing | “Thyroid tumour” resected at age 24, lump in breast at age 48 |
7, affected*
| 40 | Unilateral carotid body tumour (resected), | – |
9, affected†
| 20 | Unilateral carotid body tumour (resected and confirmed by histology) | – |
13, carrier
| Not applicable | Not applicable | Died of metastatic breast cancer at age 44 |
15, affected*
| 13 | Carotid body tumour (resected), lost voice in teenage years | – |
Sporadic case, affected†
| 45 | Vagal and hypopharyngeal paraganglioma (resected and confirmed by histology) | – |