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In pathology, pathogenesis is the process by which a disease or disorder develops. It can include factors which contribute not only to the onset of the disease or disorder, but also to its progression and maintenance. [1] The word comes from Ancient Greek πάθος (pathos) ' suffering, disease ' and γένεσις (genesis) ' creation '.
Pathophysiology (or physiopathology) is a branch of study, at the intersection of pathology and physiology, concerning disordered physiological processes that cause, result from, or are otherwise associated with a disease or injury.
Viral pathogenesis is the study of the process and mechanisms by which viruses cause diseases in their target hosts, often at the cellular or molecular level. It is a specialized field of study in virology. [1] Pathogenesis is a qualitative description of the process by which an initial infection causes disease. [2]
Surgical pathology is one of the primary areas of practice for most anatomical pathologists. Surgical pathology involves the gross and microscopic examination of surgical specimens, as well as biopsies submitted by surgeons and non-surgeons such as general internists, medical subspecialists, dermatologists, and interventional radiologists.
Clinical pathology is a medical specialty that is concerned with the diagnosis of disease based on the laboratory analysis of bodily fluids, such as blood, urine, and tissue homogenates or extracts using the tools of chemistry, microbiology, hematology, molecular pathology, and Immunohaematology.
[35] [36] Recently, it is thought that it represents ischaemia-like injury with absence of oligoclonal bands in the CSF, related to the pathogenesis of Balo concentric sclerosis. [37] Pattern IV The scar presents sharp borders and oligodendrocyte degeneration, with a rim of normal-appearing white matter. There is a lack of oligodendrocytes in ...
Molecular pathology is an emerging discipline within pathology which is focused in the study and diagnosis of disease through the examination of molecules within organs, tissues or bodily fluids. [1] Molecular pathology shares some aspects of practice with both anatomic pathology and clinical pathology, molecular biology , biochemistry ...
Prodromal: The first time a person notices pain or stiffness associated with osteoarthritis or tendinopathy, it may be misperceived as a new pathology and even as an injury. [13] [14] [15] [12] Clinical: There comes a time when the disease is symptomatic on most days and there may be deformity or stiffness (reduced motion). The person is now ...