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Lobular carcinoma in situ (LCIS) is an incidental microscopic finding with characteristic cellular morphology and multifocal tissue patterns. The condition is a laboratory diagnosis and refers to unusual cells in the lobules of the breast . [ 1 ]
Small inclusions of special features may be present within an invasive carcinoma NST tissue sample, but will be 'limited' (i.e. <10%). Carcinomas of mixed type will have a specialized pattern or lobular carcinoma in the majority (i.e. at least 50%) of the tumor and a non-specialized pattern in between 10 and 49% of the sample.
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Histopathologic types of breast cancer, with relative incidences and prognoses, with "invasive lobular carcinoma" at top right. Invasive lobular carcinoma (ILC) is breast cancer arising from the lobules of the mammary glands. [1]
In situ hybridization (ISH) is a type of hybridization that uses a labeled complementary DNA, RNA or modified nucleic acid strand (i.e., a probe) to localize a specific DNA or RNA sequence in a portion or section of tissue or if the tissue is small enough (e.g., plant seeds, Drosophila embryos), in the entire tissue (whole mount ISH), in cells ...
Chromogenic in situ hybridization (CISH) is a cytogenetic technique that combines the chromogenic signal detection method of immunohistochemistry (IHC) techniques with in situ hybridization. [ 1 ] [ 2 ] It was developed around the year 2000 as an alternative to fluorescence in situ hybridization (FISH) for detection of HER-2/neu oncogene ...
FISSEQ is an example of an extremely dense form of in-situ nucleic acid readout: every letter along the RNA chain is read. Thus, barcodes for FISSEQ can be packed into a short string of DNA, as short as 15-20 nucleotides long for the mouse brain or 5 nucleotides for targeted cancer gene panels.
Fluorescent+in+Situ+Hybridization at the U.S. National Library of Medicine Medical Subject Headings (MeSH) Information on fiber FISH from the Olympus Corporation; A guide to fiber FISH from Octavian Henegariu; Fibre FISH protocol Archived 2006-10-23 at the Wayback Machine from the Human Genome Project at the Sanger Centre