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2009-09-21
English Version
The actual NL from Mary Schomon ((3, 5) – US patient advocate – (=Thyroid About. Com. Thyroid Disease Guide (newsletter @ about.com)) one can read that – after a recently (2009) published study in the journal Cancer (1) - the number of thyroid cancer increases within the US, e.g. independent from the size of the tumor; this means that the detection does not depend from a higher sophisticated ultrasound technique (higher resolution) but must have something to do that more tumors are detected today.
The American National Cancer Institute (4) goes out from 37.000 newly diagnosed cases alone in 2009.
According to Prof. Bruce Davidson (6) – ENT department of Georgetown University
Clinic Washington D.C. – in an interview (2):
"We´re observing a doubling of thyroid carcinomas within the last ten years
….. We now know that the better detection modus is not the only factor."
Davidson does not assume that the increase in body weight causes this phenomenon,
but he is pointing to the number of CT scans and how they increased over the
last 20 years, and this increasing number of thyroid cancers could well be correlated
with one another (cancer and CT-scans).
The authors of the study refer to that the dietary habits may play a role. However, the exact influence of a still unknown treatment /treatment is obsolete but both need further investigations:
| Fruits and raw vegetables | Low incidence |
| Prepared vegetables | Higher incidence rate of follicular carcinomas |
| High intake of iodine | Generally higher incidence rates for thyroid cancer
– no matter what kind of cancer it might be …… "unless the TSH is chronically high, it is likely to increase the risk of thyroid carcinoma." |
Prof. Davidson supposes that the number of untreated autoimmune diseases
(e.g. Hashimoto´ thyroiditis) leads to an increase in cancer, because TSH itself
is a growth-factor.
Prof. Davidson: "Non-treated autoimmune diseases lead to an increase and risk
to developing thyroid cancer."……..unless it is due to the TSH being chronically
high that the risk of thyroid carcinoma increases.
SOURCES
1) Cancer Oncology
http://www.medicalnewstoday.com/articles/157295.php
2) Georgetown University, Washington D.C.
http://gumc.georgetown.edu/
3) Mary Shomon (patient advocate)
http://thyroid.about.com/
4) National Cancer Institute
http://www.cancer.gov/
5) Newsletter Mary Shomon
newsletters@about.com
6) Prof. Bruce J. Davidson, Georgetown University Washington D. C.
http://www.georgetownuniversityhospital.org/body.cfm?ID=8&?CFID=8314&CFTOKEN=75613573&UserAction=DoctorDetails&doctorid=4253
7) The Cancer Journal
http://journals.lww.com/journalppo/pages/default.aspx
(C) 2009 Prof. Hotze