期刊
ACTA OPHTHALMOLOGICA
卷 99, 期 8, 页码 E1492-E1500出版社
WILEY
DOI: 10.1111/aos.14843
关键词
retina; von Hippel‐ Lindau disease; VHL; haemangioblastoma; genotype – phenotype correlation
资金
- Verein VHL (von Hippel-Lindau) betroffener Familien e.V
- Dr. Gabriele Lederle-Stiftung
This study found that the onset age and incidence of HR, CNSH, ccRCC, and PNEN in VHL patients are closely related to the type of genetic mutation, with patients with TV mutations showing higher incidence rates and earlier onset ages compared to those with AASD mutations, indicating a need for closer ophthalmological monitoring.
Background/Aims Retinal haemangioblastomas (RH) remain a major cause of visual impairment in patients with von Hippel-Lindau (VHL) disease. Identification of genotype-phenotype correlation is an important prerequisite for better management, treatment and prognosis. Methods Retrospective, single-centre cohort study of 200 VHL patients. Genetic data and date of onset of RH, central nervous system haemangioblastomas (CNSH), pheochromocytoma/paraganglioma (PPGL), clear cell renal cell carcinoma (ccRCC) and pancreatic neuroendocrine neoplasm (PNEN) were collected. The number and locations of RH were recorded. Results The first clinical finding occurred at an age of 26 +/- 14 years (y) [mean +/- SD]. In 91 +/- 3% (95% CI 88-94) of the patients, at least one RH occur until the age of 60y. A total of 42 different rare VHL gene variants in 166 patients were detected. A higher age-related incidence of RH, CNSH, ccRCC and PNEN was detected in patients with a truncating variant (TV) compared to patients with a single amino-acid substitution/deletion (AASD) (all p < 0.01), while it is reverse for PPGL (p < 0.01). Patients with a TV showed 0.10 +/- 0.15 RH per y during their lifetime compared to 0.05 +/- 0.07 in patients with AASD (p < 0.02). The median enucleation/phthisis-free survival time in patients with a TV was 56y (95% CI 50-62) compared to 78y (95% CI 75-81) in patients with AASD (p < 0.02). Conclusion Compared to patients with AASD, patients with a TV develop RH, CNSH, ccRCC and PNEN earlier. They experience a higher number of RH and bear a higher risk of enucleation/phthisis. Thus, patients with a TV might be considered for a more intensive ophthalmological monitoring.
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