One-in-a-million people are living with EHE worldwide.

Our mission is to find treatments and a cure for epithelioid hemangioendothelioma (EHE) by advancing research and driving collaboration among patients, researchers, and clinicians.

We envision a world where Epithelioid Hemangioendothelioma (EHE) is easily diagnosed and treatable. Join our dedicated community by subscribing to our emails.

Patient-Powered EHE Research

EHE Biobank

Patients are the key to finding new treatments for EHE! Researchers need tumor tissue and fluid from EHE patients to understand disease progression and speed the development of new drugs and therapies.

Patient-Powered EHE Research

EHE Global Patient Registry

The EHE Global Patient Registry empowers people with Epithelioid Hemangioendothelioma (EHE) to join together to improve our understanding of this ultra-rare sarcoma. We need every EHE patient to join this critical tool used to support researchers searching for treatments and a cure for EHE.

Latest EHE News, Events and Research

Smoothie King Raises Money in Memory of Mandy O’Connor

By EHE Foundation | October 30, 2016

Smoothie King in York, Pennsylvania, held its second fundraiser in memory of Mandy O’Connor on October 13. Sean and Nicky Krebs, Smoothie King franchisees and close friends of Mandy and Devin’s, once again donated 50 percent of their sales on what would have been Mandy’s 33rd birthday. Mandy died due to EHE on April 5, […]

The Hershey Company Donates to EHE Research

By EHE Foundation | October 30, 2016

The Hershey Company has made a generous donation to The EHE Foundation. The world-famous confections company in Pennsylvania gave $500 to support ongoing research efforts into the rare cancer. The Foundation would like to thank Hershey employee Serena Wang for the support. Serena was a personal friend of Mandy O’Connor, who died from EHE in […]

Stay up to Date on EHE by Reading The Pledge: Sixth Edition

By EHE Foundation | October 30, 2016

EHE is no longer some unknown rare cancer! The grassroots movement to raise awareness and help fund EHE research is now a worldwide effort! Thanks to Hugh Leonard, director of The EHE Rare Cancer Charity UK, for assembling EHE stories for the sixth edition of The Pledge. Download The Pledge here.

The EHE Foundation Advisory Board

By EHE Foundation | September 26, 2016

Meet the Men & Women Fighting EHE in the Lab

The EHE Foundation Receives $10,000 Donation

By EHE Foundation | September 26, 2016

The Bock Foundation, the philanthropic arm of Ernest Bock & Sons, Inc., a construction and hospitality conglomerate in Pennsylvania, has been making substantial contributions to charitable causes for decades. Back in 1992, a Bock employee was tragically killed in an automobile accident. The Bock family aided in funeral expenses, and quickly realized the organization could […]

1st Annual EHE Virtual 5K Run/Walk

By EHE Foundation | May 26, 2016

This run/walk is an all ages and abilities event for EHE. EHE is short for Epithelioid Hemangioendothelioma, an extremely rare and often deadly vascular sarcoma (cancer) that primarily affects adolescents and young adults. This event is “virtual”, which means it can be done anywhere you are. You can complete the 3.1 miles by running, walking, […]

Science Saturday: EHE Research Progress & Momentum

By EHE Foundation | January 20, 2026

Join the EHE Foundation for a special Science Saturday on Rare Disease Day, February 28, 2026, 11:00 am – 12:30 pm ET. This virtual event is designed for anyone affected by EHE who wants an up-to-date view of the EHE research landscape. This free, interactive presentation will highlight Foundation-led research, global scientific advances, and the […]

Reflecting on 2025 and Looking Ahead With Purpose

By EHE Foundation | January 20, 2026

For the global EHE community, 2025 brought challenges, resilience, and momentum. Grounded in connection and a shared commitment to progress in EHE, we look back with emotion, appreciation, and gratitude, and in 2026, we look forward with determination and hope.

Translating molecular mechanisms of EHE to improve patient outcomes

By EHE Foundation | December 17, 2025

Scientists know that most EHE tumors are caused by specific genetic changes called gene fusions. In most people with EHE, two genes, WWTR1 and CAMTA1, are abnormally fused. In a smaller number of cases, a different fusion involving YAP1 and TFE3 is present. In a recent review published in Critical Reviews in Oncology/Hematology, the authors […]