The Invisible NET Patient Population
First published August 2017 but updated several times UPDATED TO INCUDE PUBLISHED US FIGURES IN 2025 OPINION I found some of the quotes from the recent NET SEER Database study (Dasari et al) very interesting. The National Cancer Institute’s Surveillance, Epidemiology, and End Results (SEER) Program is a comprehensive source of population-based information initiated in 1973 that is updated annually. Although the study is US-based, it represents the largest study of Neuroendocrine Neoplasms (NENs) ever recorded and is therefore a good guide to what might be found beyond USA. Almost 7 times the rate recorded in the 1970s. If you…
Neuroendocrine Neoplasms – not as rare as you think
UPDATE AS AT 5th OCTOBER 2025 - USA - Prevalence of Neuroendocrine Neoplasms breaches the Orphan Disease threshold for the first time (officially)In this cross-sectional study evaluating 145,477 NEN cases in the US, age-adjusted incidence rates increased 5.2-fold between 1975 and 2021, with an annual percentage change of 3% between 2000 and 2020, and the 20-year limited duration prevalence projected in the US population on January 1, 2021, was 243 896. Survival for all NENs improved, including for patients with distant-stage gastrointestinal and pancreatic NENs. And even this figure is understated as they have excluded some Neuroendocrine Carcinomas from the list…
Neuroendocrine tumors are uncommon but definitely not rare
USA finally commits UK and Australian figures recently confirmed that Neuroendocrine Cancer is the 10th and 7th most common cancer type. It was great to see this post from the American Society of Clinical Oncology, albeit the USA is joining later than many other countries confirming the worst-kept secret ever - NETs are not rare. That said, several NET specialists in the USA have been more vocal about this (one example is below), much more so than the cancer organisations (including the ones who represent us) who disappointingly market the rare theme along with the antiquated use of words such…
The Invisibility of Appendiceal and Colorectal NETs – do the math
Do the math not the myth In addition to my mountain of evidence against the so-called rarity of Neuroendocrine Neoplasms, a new study from US indicates that many NETs are hidden among colorectal cancer cases in cancer registries. The study reported extraordinary figures of NET cases found when analysing the data. For years, doctors have been warning about the increasing incidence of colorectal cancer amongst younger people. For that reason, the American Cancer Society recommended people to start screening at a younger age (45 years instead of 50 years) in 2018. This would affect 22 million Americans who now are…