DIAGNOSIS PROGNOSIS – What’s the Difference?

DIAGNOSIS PROGNOSIS – What’s the Difference?

Slide 2:
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Slide 3:
What’s the difference between DIAGNOSIS and PROGNOSIS?

In short:

DIAGNOSIS: the identification of a disease or illness through examination or investigation

PROGNOSIS: a forecast of the probable course or outcome of a disease and the likelihood of recovery

Slide 4:
In other words, DIAGNOSIS means asking the question: What is this?
The clipart shows a virus.

PROGNOSIS means asking the question: What will it be?
The clipart shows two results, either the virus multiplies and increases, or it dies out.

Slide 5:
Derivation: both words come from the Greek word ‘gnosis’ meaning knowledge.

The prefix DIA means across, between, through.
Hence, through knowledge of the disease

The prefix PRO means before.
Hence, come to know beforehand, predict the course of the disease.

Slide 6:
In the picture we see a patient consulting his doctor looking at a computer screen.

Sentence example: The prognosis for prostate cancer is among the best for all cancers.

Five years after diagnosis, the average prostate cancer patient is as likely to still be living as a man without prostate cancer.

In other words, when it comes to prostate cancer, the prognosis is good. There is a high chance a person can be cured or the cancer can be managed so the patient lives many years. On average, five years after the disease is first identified, a patient has the same life prospects as a man without prostate cancer.

Slide 7:
So remember, a DIAGNOSIS identifies the disease
while a PROGNOSIS forecasts the probable outcome.

Slide 8:
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Image Credits

Slide 5 – Doctor & patient
Creative Commons
https://flic.kr/p/GiJrxk

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