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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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