Introduction to Pathology PDF

INTRODUCTION TO PATHOLOGY DR. NASHWAH SAMIR AL-HARIRY LECTURER OF PATHOLOGY SUEZ UNIVERSITY  What is pathology? Who is a pathologist? What is a disease? hoW are diseases diagnosed? Definition of Pathology Pathology (Gr. pathos “disease” + logos “word,...

INTRODUCTION TO PATHOLOGY DR. NASHWAH SAMIR AL-HARIRY LECTURER OF PATHOLOGY SUEZ UNIVERSITY  What is pathology? Who is a pathologist? What is a disease? hoW are diseases diagnosed? Definition of Pathology Pathology (Gr. pathos “disease” + logos “word, reason”) It is the “scientific study of disease "scientific study of the molecular, cellular, tissue, or organ system response to injurious agents.“ It is considered as "bridge" or "link" between the preclinical sciences (anatomy, physiology, ……etc.) and the courses in clinical Definition Of Disease It’s the alteration of the structure or the function of any part, or organ of the body. ♣Illnes: It is the reaction of an individual to a disease in the form of illness What should we know about a Disease? Epidemiology – Where & When. Etiology – What is the cause? Pathogenesis – Mechanism of Evolution of dis. Morphology - Structural Changes Functional consequences Management Prognosis Prevention  Manifestations of the diseases Exacerbation Symptoms Signs Lesions Functional Objective Findings Visible changes Manifestations By examiner, E.g., Abscess Patients Clinicion E.g., Sore throat E.g., ↑ BP Remission Complications Sequelae Unfavourable condition during the After effects produced disease by disease E.g., Tumor mass compressing E.g., Deformity after nerve burns Diseases are diagnosed by physicians or other health care providers through a combination of tools. When a disease is diagnosed, treatment is given to prevent or ameliorate complications and to improve prognosis ConClusion the pathologist is the story teller of the disease