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.

With the generosity, heart, and determination of the EHE community and the EHE Foundation Board of Directors, we raised more than $155,000 — and counting — for EHE Research this Giving Tuesday! In a world with so many urgent needs, we are profoundly grateful for how this community continues to show up for one another to advance our mission of finding treatments and a cure for EHE. Thank you!

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

The Pledge: Edition 42 - Q3 - July-September 2025

The Pledge: Edition 42, Q3 – July-September, 2025

By Maggie Cameron | November 11, 2025

Publication of The Pledge quarterly newsletter is led by the EHE Rare Cancer Charity (UK). EHE patient advocacy groups from around the globe provide content including research news, patient and fundraising stories, and much more. Click here to view the most recent edition of the online EHE newsletter, The Pledge.

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Drs. Claudia Giani and Anna Maria Frezza

EHE Stabilization with Sirolimus: Results From POEM, a Prospective Multicentric Observational Study

By EHE Foundation | November 6, 2025

Drs. Claudia Giani, Anna Maria Frezza, Silvia Stacchiotti, and colleagues from the Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy, and Royal Marsden Hospital, London, UK, presented results from POEM: a prospective observational study on Epithelioid Haemangioendothelioma at ESMO Congress 2025. The data presented included 57 consecutive molecularly confirmed EHE patients who entered the study, […]

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Jason Hanna, PhD from the Hanna Lab at Purdue University

Hanna Lab at Purdue University: ‘When cells in the body stop following the rules, cancer can take hold.’

By EHE Foundation | October 14, 2025

You met Jason Hanna, PhD, at the 2025 EHE Global Patient Conference, where he highlighted work his lab is undertaking in EHE. We are thrilled to share a recent publication in Molecular Oncology from the Hanna Lab at Purdue University, highlighting their findings from a study focused on the YAP1-TFE3 subtype of EHE.  The YAP1-TFE3 […]

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Tanas Lab at the University of Iowa

Exciting Progress in EHE Research – Powered by Patients

By EHE Foundation | October 10, 2025

We are thrilled to share a new publication, “EHE cell cultures are a platform for mechanistic and therapeutic investigation,” made possible by a partnership between the University of Iowa and the EHE Foundation. Under the leadership of Dr. Munir Tanas, Nicholas Scalora, PhD, and colleagues in the Tanas Lab sought to develop long-term EHE cell […]

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Guy Weinberg, MD

Uniting for a Cure: A New Chapter in the Fight Against EHE

By EHE Foundation | October 8, 2025

FOR IMMEDIATE RELEASE Hobart, WI – October 9, 2025 – The Center for Research and Analysis of VAscular Tumors (CRAVAT) Foundation has donated its resources to The EHE Foundation in a powerful alignment of vision and commitment to the people affected by epithelioid hemangioendothelioma (EHE) and the EHE scientific community.  Founded in 2015 by Guy […]

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Big Steve Day 2025

Big Steve Day 2025: A Celebration of Life, Friendship, and Giving Back

By EHE Foundation | September 23, 2025

On Saturday, June 28, 2025, more than 80 golfers, friends, and family gathered at Stony Creek Golf Course in Oak Lawn, Illinois, for the Third Annual Big Steve Day Golf Outing — a day filled with laughter, camaraderie, and purpose. This annual event honors the life and spirit of Steve Walsh, Jr., whose memory continues […]

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Translating molecular mechanisms of EHE to improve patient outcomes

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 […]

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EHE in Canada: what a national study tells us

EHE in Canada: what a national study tells us

By EHE Foundation | December 17, 2025

A recent study published in the European Journal of Cancer represents the largest collection of data from people with EHE in Canada. Researchers found that EHE can behave very differently from person to person—about one-third of patients were diagnosed by chance and did not need immediate treatment, while others had more aggressive disease. About half […]

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Pulmonary EHE: a case report and review of literature

Pulmonary EHE: a case report and review of literature

By EHE Foundation | December 17, 2025

In a recent issue of AME Case Reports, a team led by Dr. Clifford Atuiri describes a case of pulmonary epithelioid hemangioendothelioma (EHE) and places it within the broader understanding of the disease. The authors note that EHE in the lungs can be difficult to diagnose because symptoms and imaging often resemble more common lung […]

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