3. I nterval between last colonoscopy and 11 colon
cancer diagnoses (years) for female LS patients
Missed deadlines: 5 colon cancer > 2yr follow up
Fast growing (possible miss): 4 colon cancers in the 1 to 2 year interval.
Missed polyps: 2 colon cancers in the 1 year interval.
7
6
5
4
3
2
1
0
A B C D E F G H I J K
20. D. Riegert – Johnson Bio
• Douglas Riegert-Johnson lives in Ponte Vedra Beach Florida and works at Mayo
Clinic Florida in Jacksonville. He is an associate professor of medicine and genetics.
His family is originally from the Birmingham area of Alabama and he attended the
University of Alabama School of Medicine. Dr. Riegert-Johnson then completed a
residency and chief residency in medicine and fellowship in gastroenterology at
Mayo Clinic Rochester. He also completed a residency in medical genetics at Johns
Hopkins. His mentor is Dr. Lisa Boardman at Mayo Clinic Rochester.
• For the past 6 years Dr. Riegert-Johnson has been at Mayo Clinic Florida leading a
cancer genetics program. He has been very fortunate to work with a group of truly
talented physicians, nurses and genetic counselors. The cancer genetics group has
been active in researching many cancer syndromes including familial adenomatous
polyposis, Peutz-Jeghers syndrome, Lynch syndrome, Muir-Tore syndrome and
Cowden syndrome. Notable projects include working with Dr. Lynch to describe
the EPCAM mutation from of Lynch syndrome and the largest study of Cowden
syndrome at the time it was published.
• His current project is to develop an open access web based platform for educating
and caring for FAP patients called www.polyppolyp.com. Other completed projects
include a cancer genetics ebook for www.pubmed.com called
www.cancersyndromes.org.