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what is phts?


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We are accepting donations, and resources will be dedicated to advancing research with the goal of improving the lives of PHTS patients. Visit our donations page to help provide hope, promote awareness and find a cure for PTEN syndromes.


The information contained in this website is provided for informational and educational purposes only and should not be construed to be a diagnosis, treatment, regimen, or any other health-care advice or instruction.  The reader should seek his or her own medical or other professional advice, which the information contained in our website is not intended to replace or supplement.  The PTEN Hamartoma Tumor Syndrome Foundation does not assume any responsibility or liability of any kind in connection with the reader’s use of the information contained herein.

The information reflected on this website is provided as general guidance. The application of the principals and information discussed can vary widely based upon the specific facts involved.  Thus, this material should not be considered legal or medical advice and should not be used as such.  The reader should seek his or her own legal or medical advice from a qualified professional.  While the Foundation has attempted to obtain such information from reliable sources, the Foundation makes no representations or warranties regarding the information and disclaims any responsibility for errors or omissions or for results obtained based upon the use of this information.

Dr. Michael McFadden

Founding medical advisor


Click above to read about our newest team members and check back often as we announce additional medical advisory board members. 

The PTEN Hamartoma Tumor Syndrome Foundation was founded to find treatments or therapies for PTEN Syndromes by funding research, providing PHTS education, supporting patients, and by raising awareness.

PTEN Hamartoma Tumor Syndrome (PHTS) includes Cowden syndrome (CS), Bannayan-Riley-Ruvalcaba syndrome (BRRS), PTEN-related Proteus syndrome (PS), and Proteus-like syndrome.

Click Here to read more.