CHA Family Medicine Residency

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UberDx Chapter 3

Did you read http://en.wikipedia.org/wiki/Overdiagnosis? (See emails below)

If not, proceed no further. Even if you think you know everything, you still have to read it.

If you have, then this graphic should look familiar:

Overdiagnosis bias

Overdiagnosis Bias: The over-inflation of survival statistic by “early diagnosis”.

So, now think about these questions:

  1. More lung cancers are detected in screened populations than in unscreened populations. True or false?
  2. What are some examples of “pseudodisease” in the case of lung cancer screening? (“the small solitary pulmonary nodule”)
  3. What reactions have your patients had from a CT scan that requires follow up to rule out cancer?