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  • Title: Familial erythrocytosis 2 and von Hippel-Lindau disease in the same pediatric patient.
    Author: Núñez-Martínez PM, Taja-Chayeb L, Ramírez-Otero MA, Fragoso-Ontiveros V, Wegman-Ostrosky T, Cruz-Robles D, Vidal Millán S.
    Journal: Bol Med Hosp Infant Mex; 2021 May 03; 78(4):341-345. PubMed ID: 33938902.
    Abstract:
    BACKGROUND: Patients with familial erythrocytosis type 2 have no increased risk of von Hippel-Lindau-associated tumors, although mutations in the VHL gene cause both pathologies. CASE REPORT: We present a case of a compound heterozygote patient with von Hippel-Lindau disease and familial erythrocytosis type 2. One of the mutations found in our patient, c.416C>G (p.Ser139Cys) of the VHL gene, has not been previously reported. This case is the second one reported where von Hippel-Lindau disease and familial erythrocytosis type 2 coexist in the same individual. CONCLUSIONS: Despite the low frequency of familial erythrocytosis type 2 in patients with von Hippel-Lindau disease, the possibility of this diagnosis should be considered to avoid unnecessary invasive studies to explain the polyglobulia in these patients and guarantee an adequate follow-up and vigilance of both diseases.
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