Cytopathology
Cytopathology - Related Videos
09:26
Preparation and Using Phantom Lesions to Practice Fine Needle Aspiration Biopsies
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Cited by 6 •
2009
Practicing of fine needle aspiration biopsies (FNAB) by trainees is relatively challenging, due to the lack of an easily available, appropriate lesion. Preparation of an AV phantom lesion for practicing the FNAB procedure and mastering proficiency is relatively easy.
07:12
Alphavirus Transducing System: Tools for Visualizing Infection in Mosquito Vectors
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Cited by 11 •
2010
Methods for using alphavirus transducing systems to express fluorescent reporters in vitro and in adult mosquitoes are described. This technique may be adapted to express any protein of interest in lieu of or in addition to a reporter.
08:20
Cell Block Preparation from Cytology Specimen with Predominance of Individually Scattered Cells
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Cited by 67 •
2009
Shidham's method for preparation of cell blocks with AV-marker from cytology specimens containing individually scattered cells and small cell groups.
08:16
Comparative Lesions Analysis Through a Targeted Sequencing Approach
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2019
This article describes a method to identify clonal and subclonal alterations among different specimens from a given patient. Although the experiments described here focus on a specific tumor type, the approach is broadly applicable to other solid tumors.
09:01
An In vitro Model to Study Immune Responses of Human Peripheral Blood Mononuclear Cells to Human Respiratory Syncytial Virus Infection
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Cited by 15 •
2013
Human respiratory syncytial virus (HRSV) can cause severe bronchiolitis in young infants. Part of the pathogenesis of severe HRSV disease is caused by the host immune response. Stimulation of primary human immune cells with HRSV provides a fast and reproducible model system to study activation of inflammatory pathways and infection.
FAQs
Nuclear features, cell size, shape, and cellular organization provide the main visual evidence for distinguishing abnormal populations. Researchers examine how these characteristics vary within a sample and whether the overall pattern supports a particular tumor classification. This cellular level of analysis helps connect observable morphology with disease characterization without requiring a more invasive tissue collection at the initial stage.
Preparation and staining make cellular structures sufficiently visible for microscopic evaluation. Cells collected from fluids, surface scrapings, or fine-needle aspirations must be placed on slides and processed so that abnormalities in organization and nuclear appearance can be assessed consistently. These steps directly influence the quality of the visual evidence used for cancer screening, diagnosis, and classification.
Cellular observations provide evidence of disease-related changes as tumors develop, allowing researchers to examine how abnormal morphology relates to cancer progression. Because samples can be obtained with minimally invasive approaches, cytopathology can support repeated or complementary investigations while preserving a focus on individual-cell changes. It also creates a visual foundation for connecting morphology with underlying disease mechanisms.
Cytopathology supplies visible cellular context that can guide complementary molecular analyses. Researchers can relate molecular findings to changes in cell size, shape, organization, or nuclear features rather than interpreting molecular results in isolation. This combined perspective helps connect observable abnormalities with underlying disease mechanisms and supports a more integrated characterization of cancer-related samples.
A typical workflow begins with collecting cells from a body fluid, surface scraping, or fine-needle aspiration. The material is then prepared on slides, stained, and examined microscopically. Investigators evaluate cellular and nuclear abnormalities before using the findings for screening, diagnosis, classification, treatment monitoring, or selection of complementary molecular analyses. Each stage contributes to the final interpretation.
Its applications span several stages of cancer investigation. Cytopathology can contribute to screening for abnormalities, supporting diagnosis, characterizing tumor types, and monitoring changes during treatment. In research, it also supplies cellular evidence for studying tumor development. Its use of minimally invasive samples makes it relevant when investigators need cellular information without beginning with a more invasive collection approach.
Microscopic examination can show whether cellular abnormalities persist, change, or display a different pattern after treatment, providing cellular evidence relevant to response monitoring. The method does not replace other analyses, but it adds direct observations from sampled cells. These findings can help researchers relate treatment-associated changes to tumor characterization and guide complementary molecular investigation when appropriate.