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Histology, also known as microscopic anatomy or microanatomy, is the branch of biology that studies the microscopic anatomy of biological tissues. Histology is the microscopic counterpart to gross anatomy, which looks at larger structures visible without a microscope. Although one may divide microscopic anatomy into organology, the study of organs, histology, the study of tissues, and cytology, the study of cells, modern usage places all of these topics under the field of histology. In medicine, histopathology is the branch of histology that includes the microscopic identification and study of diseased tissue. In the field of paleontology, the term paleohistology refers to the histology of fossil organisms.
Pathology is the study of disease and injury. The word pathology also refers to the study of disease in general, incorporating a wide range of biology research fields and medical practices. However, when used in the context of modern medical treatment, the term is often used in a narrower fashion to refer to processes and tests that fall within the contemporary medical field of "general pathology", an area that includes a number of distinct but inter-related medical specialties that diagnose disease, mostly through analysis of tissue and human cell samples. Idiomatically, "a pathology" may also refer to the predicted or actual progression of particular diseases, and the affix pathy is sometimes used to indicate a state of disease in cases of both physical ailment and psychological conditions. A physician practicing pathology is called a pathologist.
Anatomical pathology (Commonwealth) or anatomic pathology (U.S.) is a medical specialty that is concerned with the diagnosis of disease based on the macroscopic, microscopic, biochemical, immunologic and molecular examination of organs and tissues. Over the 20th century, surgical pathology has evolved tremendously: from historical examination of whole bodies (autopsy) to a more modernized practice, centered on the diagnosis and prognosis of cancer to guide treatment decision-making in oncology. Its modern founder was the Italian scientist Giovanni Battista Morgagni from Forlì.
Cytopathology is a branch of pathology that studies and diagnoses diseases on the cellular level. The discipline was founded by George Nicolas Papanicolaou in 1928. Cytopathology is generally used on samples of free cells or tissue fragments, in contrast to histopathology, which studies whole tissues. Cytopathology is frequently, less precisely, called "cytology", which means "the study of cells".
A biopsy is a medical test commonly performed by a surgeon, an interventional radiologist, or an interventional cardiologist. The process involves the extraction of sample cells or tissues for examination to determine the presence or extent of a disease. The tissue is then fixed, dehydrated, embedded, sectioned, stained and mounted before it is generally examined under a microscope by a pathologist; it may also be analyzed chemically. When an entire lump or suspicious area is removed, the procedure is called an excisional biopsy. An incisional biopsy or core biopsy samples a portion of the abnormal tissue without attempting to remove the entire lesion or tumor. When a sample of tissue or fluid is removed with a needle in such a way that cells are removed without preserving the histological architecture of the tissue cells, the procedure is called a needle aspiration biopsy. Biopsies are most commonly performed for insight into possible cancerous or inflammatory conditions.
GE HealthCare Technologies, Inc. is an American multinational medical technology company headquartered in Chicago, Illinois. It was spun-off from General Electric on January 4, 2023, with GE retaining 6.7%. As of 2017, it is a manufacturer and distributor of diagnostic imaging agents and radiopharmaceuticals for imaging modalities used in medical imaging procedures. It offers dyes used in magnetic-resonance-imaging procedures; manufactures medical diagnostic equipment, including CT image machines; MRI, X-ray; ultrasound; cath labs; mammogram; Nuclear Medicine Cameras; and develops health technology for medical imaging and information technologies, medical diagnostics, patient monitoring systems, disease research, drug discovery, and biopharmaceutical manufacturing. It was incorporated in 1994 and operates in more than 100 countries.
Immunohistochemistry is a form of immunostaining. It involves the process of selectively identifying antigens (proteins) in cells and tissue, by exploiting the principle of antibodies binding specifically to antigens in biological tissues. Albert Hewett Coons, Ernest Berliner, Norman Jones and Hugh J Creech was the first to develop immunofluorescence in 1941. This led to the later development of immunohistochemistry.
Fibroadenomas are benign breast tumours characterized by an admixture of stromal and epithelial tissue. Breasts are made of lobules and ducts. These are surrounded by glandular, fibrous and fatty tissues. Fibroadenomas develop from the lobules. The glandular tissue and ducts grow over the lobule to form a solid lump.
Fluorescence in situ hybridization (FISH) is a molecular cytogenetic technique that uses fluorescent probes that bind to only particular parts of a nucleic acid sequence with a high degree of sequence complementarity. It was developed by biomedical researchers in the early 1980s to detect and localize the presence or absence of specific DNA sequences on chromosomes. Fluorescence microscopy can be used to find out where the fluorescent probe is bound to the chromosomes. FISH is often used for finding specific features in DNA for use in genetic counseling, medicine, and species identification. FISH can also be used to detect and localize specific RNA targets in cells, circulating tumor cells, and tissue samples. In this context, it can help define the spatial-temporal patterns of gene expression within cells and tissues.
Thermo Fisher Scientific Inc. is an American-headquartered life science and clinical research company. It is a global supplier of analytical instruments, clinical development solutions, specialty diagnostics, laboratory, pharmaceutical and biotechnology services. Based in Waltham, Massachusetts, Thermo Fisher was formed through the merger of Thermo Electron and Fisher Scientific in 2006. Thermo Fisher Scientific has acquired other reagent, consumable, instrumentation, and service providers, including Life Technologies Corporation (2013), Alfa Aesar (2015), Affymetrix (2016), FEI Company (2016), BD Advanced Bioprocessing (2018), and PPD (2021).
A breast cyst is a cyst, a fluid-filled sac, within the breast. One breast can have one or more cysts. They are often described as round or oval lumps with distinct edges. In texture, a breast cyst usually feels like a soft grape or a water-filled balloon, but sometimes a breast cyst feels firm.
A medical laboratory or clinical laboratory is a laboratory where tests are conducted out on clinical specimens to obtain information about the health of a patient to aid in diagnosis, treatment, and prevention of disease. Clinical medical laboratories are an example of applied science, as opposed to research laboratories that focus on basic science, such as found in some academic institutions.
Automated tissue image analysis or histopathology image analysis (HIMA) is a process by which computer-controlled automatic test equipment is used to evaluate tissue samples, using computations to derive quantitative measurements from an image to avoid subjective errors.
Galen Partners is a healthcare-focused growth equity investment firm. With nearly $1-billion invested over five funds, Galen has helped build more than 70 companies since inception.
Radiometer is a Danish multinational company which develops, manufactures and markets solutions for blood sampling, blood gas analysis, transcutaneous monitoring, immunoassay testing and the related IT management systems. The company was founded in 1935 in Copenhagen, Denmark by Børge Aagaard Nielsen and Carl Schrøder. It has over 3,200 employees and direct representation in more than 32 countries. Corporate headquarters remain in Copenhagen.
CellNetix Pathology & Laboratories, LLC, headquartered in Tukwila, Washington, is a premier anatomic pathology provider in the Pacific Northwest, with 60 physicians and more than 300 total staff. Services include cytology, histology, fine needle aspiration (FNA) services, flow cytometry, immunohistochemistry, immunofluorescence, UroVysion™, and molecular diagnostics.
Exact Sciences Corp. is a molecular diagnostics company based in Madison, Wisconsin specializing in the detection of early stage cancers. The company's initial focus was on the early detection and prevention of colorectal cancer; in 2014 it launched Cologuard, the first stool DNA test for colorectal cancer. Since then Exact Sciences has grown its product portfolio to encompass other screening and precision oncological tests for other types of cancer.
Stephen A. Boppart is a principal investigator at the Beckman Institute for Advanced Science and Technology at the University of Illinois at Urbana-Champaign, where he holds an Abel Bliss Professorship in engineering. He is a faculty member in the departments of electrical and computer engineering, bioengineering, and internal medicine. His research focus is biophotonics, where he has pioneered new optical imaging technologies in the fields of optical coherence tomography, multi-photon microscopy, and computational imaging.
Applied Spectral Imaging or ASI is a multinational biomedical company that develops and manufactures microscopy imaging and digital analysis tools for hospitals, service laboratories and research centers. The company provides cytogenetic, pathology, and research laboratories with bright-field, fluorescence and spectral imaging in clinical applications. Test slides can be scanned, captured, archived, reviewed on the screen, analyzed with computer-assisted algorithms, and reported. ASI system platforms automate the workflow process to reduce human error in the identification and classification of chromosomal disorders, genome instability, various oncological malignancies, among other diseases.
Richard James Cote is a pathologist, academic and author. He is the Edward Mallinckrodt Professor and Chair of the Department of Pathology and Immunology at Washington University in St. Louis School of Medicine, and the Pathologist-in-Chief at Barnes Jewish Hospital.
References
- ↑ https://www.leicabiosystems.com/sites/default/files/media_document-file/2023-08/220737_Rev-A_150years_new_Booklet_new.pdf
- ↑ Seiffert, Don. “Leica Biosystems plans to expand R&D facility in Mass.” Boston Business Journal. Feb. 1, 2013
- ↑ Weintraub, Karen. “Leica Biosystems plans R&D expansion in area.” The Boston Globe. Feb. 25, 2013
- ↑ https://www.leicabiosystems.com/us/news-events/leica-biosystems-acquires-cell-idx-moving-its-multiplexing-menu-forward-with-ready-to/
- ↑ “Leica Biosystems completes acquisition of Aperio.” Yahoo Finance. Oct. 24, 2012
- ↑ Collins, Allison. “Leica Biosystems Adds GTCR-Backed Devicor Medical Products.” Mergers and Acquisitions. Oct. 28, 2014
- ↑ “Leica Biosystems and Mayo Clinic Collaborate on Future of Cytogenetics Imaging.” Mayo Clinic Blog. December 15, 2014
