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Hereditary Hemorrhagic Telangiectasia (Osler-Weber-Rendu syndrome): update of September 28, 2026

What's new and why it matters

  1. A study compared two lasers for skin treatments in hereditary hemorrhagic telangiectasia, finding one caused less pain and redness. Based on: 1
  2. Many patients with pancreatic arteriovenous malformations related to hereditary hemorrhagic telangiectasia are asymptomatic, according to a systematic review. Based on: 2
  3. A case report described a patient with hereditary hemorrhagic telangiectasia who had a rare spontaneous bladder rupture that was successfully treated with surgery. Based on: 3
  4. Research identified genetic changes that may link pulmonary vascular malformations with hereditary hemorrhagic telangiectasia, suggesting potential new treatment targets. Based on: 5
  5. A study revealed that patients with the same genetic variant in hereditary hemorrhagic telangiectasia can have very different symptoms, showing individual variability. Based on: 6

Materials in this update

  1. Comparative Assessment of 532/1064-nm KTP/Nd: YAG and 595-nm Pulsed Dye Laser for Cutaneous Vascular Lesions: A Prospective Split-Site Study.
    PubMed

    Sep 26, 2026

    A study compared two types of lasers for treating skin conditions related to hereditary hemorrhagic telangiectasia, finding one caused less pain and redness.

  2. Pancreatic arteriovenous malformations as a manifestation of hereditary haemorrhagic telangiectasia (Rendu-Osler-Weber disease): a systematic review.
    PubMed

    Sep 25, 2026

    This review looked at cases of pancreatic arteriovenous malformations in hereditary hemorrhagic telangiectasia patients, noting that many were asymptomatic.

  3. Spontaneous rupture of the urinary bladder and hereditary haemorrhagic telangiectasia (Osler-Weber-Rendu syndrome): a case report.
    PubMed

    Sep 25, 2026

    A case report described a patient with hereditary hemorrhagic telangiectasia who experienced a rare spontaneous bladder rupture, managed successfully with surgery.

  4. Development and validation of a prediction model for neurological outcomes of brain arteriovenous malformations undergoing microsurgical resection: a nationwide retrospective cohort study.
    PubMed

    Sep 25, 2026

    This study developed a prediction model for outcomes after brain arteriovenous malformation surgery to help guide clinical decisions.

  5. Decreased Endothelial Cell Retinoic Acid Signaling Accelerates Progression of Single Ventricle Pulmonary Vascular Malformations.
    PubMed

    Sep 24, 2026

    Research discovered shared genetic changes in pulmonary vascular malformations and hereditary hemorrhagic telangiectasia arteriovenous malformations, suggesting new treatment targets.

  6. Phenotypic Heterogeneity Among Carriers of the Same Pathogenic Variant in Hereditary Hemorrhagic Telangiectasia.
    PubMed

    Sep 13, 2026

    A study found notable differences in symptoms among hereditary hemorrhagic telangiectasia patients carrying the same genetic variant, emphasizing individual variability.

All updates for Hereditary Hemorrhagic Telangiectasia (Osler-Weber-Rendu syndrome)

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