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Introduction to Pathologyand

Disease 

By: Rahul Malik

January, 2016

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y,

• Pathology

•

 What is a Disease?• What is pathology?

• Diagnosis

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 Pathology(Gr. pathos "disease” +

logos "word, reason”)is the studyof the links between diseases and

the basic science  

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What is a Disease? 

•A disease is a  physical or functional

disorder of normal body systems that placesan individual at increased risk of adverse

consequences

•Diseases are diagnosed by physicians orother health care providers through a

combination of tools

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• When a disease is diagnosed, treatment

is given to prevent or ameliorate

complications and to improve prognosis

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 What is pathology?

Pathology is the study of the links

between diseases and the basic science 

• Pathologist is a person identi fying

diseases based   on the examination of

cells and tissues removed from the

body  

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Therefore, pathology is notnecessari ly what a pathologist does!  

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Diagnosis

(Gr. dia“through” + gnosis

"knowledge”) 

•Diagnoses are made by three general

categories of physicians or health care

 providers:

      ̶  Clinical diagnosticians identify

diseases by examination of  patient’s 

history and physical examination

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 – 

   Pathologists identify diseases byexamining cells and tissues removed

 from the body

−  Radiologists identify diseases by

imaging the intact body

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