Overview
John Karstensen practices in Copenhagen, Denmark. Mr. Karstensen is rated as a Distinguished expert by MediFind in the treatment of Melasma. His top areas of expertise are Familial Adenomatous Polyposis, Juvenile Polyposis Syndrome, Peutz-Jeghers Syndrome, Endoscopy, and Colonoscopy.
His clinical research consists of co-authoring 128 peer reviewed articles and participating in 1 clinical trial. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 8 articles in the study of Melasma.
Locations
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Experts who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
1 Clinical Trials
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Elite
- Familial Adenomatous PolyposisMr. Karstensen isElite. Learn about Familial Adenomatous Polyposis.
- Distinguished
- EndoscopyMr. Karstensen isDistinguished. Learn about Endoscopy.
- Hereditary PancreatitisMr. Karstensen isDistinguished. Learn about Hereditary Pancreatitis.
- Juvenile Polyposis SyndromeMr. Karstensen isDistinguished. Learn about Juvenile Polyposis Syndrome.
- MelasmaMr. Karstensen isDistinguished. Learn about Melasma.
- Peutz-Jeghers SyndromeMr. Karstensen isDistinguished. Learn about Peutz-Jeghers Syndrome.
- Advanced
- Acute PancreatitisMr. Karstensen isAdvanced. Learn about Acute Pancreatitis.
- Crohn's DiseaseMr. Karstensen isAdvanced. Learn about Crohn's Disease.
- Familial Colorectal CancerMr. Karstensen isAdvanced. Learn about Familial Colorectal Cancer.
- Gastrointestinal BleedingMr. Karstensen isAdvanced. Learn about Gastrointestinal Bleeding.
- MosaicismMr. Karstensen isAdvanced. Learn about Mosaicism.
- NecrosisMr. Karstensen isAdvanced. Learn about Necrosis.
- Experienced
- Angiodysplasia of the ColonMr. Karstensen isExperienced. Learn about Angiodysplasia of the Colon.
- Arteriovenous MalformationMr. Karstensen isExperienced. Learn about Arteriovenous Malformation.
- Attenuated Familial Adenomatous PolyposisMr. Karstensen isExperienced. Learn about Attenuated Familial Adenomatous Polyposis.
- Bannayan-Riley-Ruvalcaba SyndromeMr. Karstensen isExperienced. Learn about Bannayan-Riley-Ruvalcaba Syndrome.
- CholecystitisMr. Karstensen isExperienced. Learn about Cholecystitis.
- Chronic PancreatitisMr. Karstensen isExperienced. Learn about Chronic Pancreatitis.