Tumor Diagnosis
Tumor Diagnosis - Related Videos
08:14
Induction and Diagnosis of Tumors in Drosophila Imaginal Disc Epithelia
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Cited by 10 •
2017
Mosaic clone analysis in Drosophila imaginal disc epithelia is a powerful model system to study the genetic and cellular mechanisms of tumorigenesis. Here we describe a protocol to induce tumors in Drosophila wing imaginal discs using the GAL4-UAS system, and introduce a diagnosis method to classify the tumor phenotypes.
07:34
FISH for Pre-implantation Genetic Diagnosis
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Cited by 17 •
2011
This article describes the selection of suitable probes for single-cell FISH, spreading techniques for blastomere nuclei, and in situ hybridization and signal scoring, applied to pre-implantation genetic diagnosis (PGD) in a clinical setting.
07:49
Evaluation of Tumor-infiltrating Leukocyte Subsets in a Subcutaneous Tumor Model
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Cited by 15 •
2015
This protocol describes a method for the detailed evaluation of leukocyte subsets within the tumor microenvironment in a mouse tumor model. Chemerin-expressing B16 melanoma cells were implanted subcutaneously into syngeneic mice. Cells from the tumor microenvironment were then stained and analyzed by flow cytometry, allowing for detailed leukocyte subset analyses.
01:22
Nursing Diagnosis
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2023
Following assessment, a nursing diagnosis is the next step in the nursing process. It begins after the nurse has collected and recorded the patient data. The purpose of diagnosing is to identify how the client responds to actual or potential health processes, identify factors that bestow or that cause health problems, the etiologies, and identify resources or strengths the individual, group, or community can draw on to prevent or resolve problems. The nursing diagnosis focuses on evidence-based...
02:43
Tumor Implantation and Injection of a Tumor Vaccine in a Mouse Model
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2025
This video demonstrates a cell-based tumor vaccination assay. A mouse, intradermally injected with B16-F10 melanoma cells for tumor formation, is vaccinated with B16-F10 cells secreting Flt3L cytokine near the developed tumor. The secreted Flt3L from the vaccine promotes the maturation and proliferation of dendritic cells that then present tumor antigens to T cells in lymph nodes, triggering a targeted anti-tumor immune response.
FAQs
Imaging locates lesions and assesses their appearance, whereas tissue-based methods examine the tumor more directly. Biopsy supplies material for microscopic examination, immunohistochemistry, and molecular testing. Combining these sources connects the lesion’s location and observed features with cellular morphology, protein markers, and genetic alterations, producing a more informative basis for classification and research decisions.
These methods provide different types of biological evidence. Immunohistochemistry identifies protein markers within tumor tissue, while molecular testing detects genetic alterations. Their results can help characterize disease subtype and add detail beyond microscopic morphology alone. In cancer research, this combined information supports biomarker discovery and helps relate tumor biology to therapeutic outcomes.
Genomic profiling expands characterization by examining genetic alterations, while minimally invasive sampling offers an approach that can obtain tumor-related material without relying exclusively on more extensive tissue collection. The overview identifies both advances as contributors to improved diagnostic precision. They also help researchers connect tumor characteristics with disease progression and treatment outcomes.
Evaluation generally begins with imaging to locate and assess a lesion, followed by tissue biopsy when tissue examination is required. The sample may then undergo microscopic examination, immunohistochemistry, and molecular testing. Together, these stages generate information about morphology, protein markers, genetic alterations, and subtype, which supports subsequent clinical or research interpretation.
Diagnostic findings contribute to several decisions rather than serving a single purpose. Microscopic features, protein markers, and genetic alterations help characterize disease subtype, while the overall diagnostic assessment supports tumor classification and staging. The same information can assist biomarker discovery and treatment selection, linking biological characterization with clinically relevant planning.
Cancer researchers use diagnostic information to investigate how tumor characteristics relate to disease progression and therapeutic outcomes. These data also support biomarker discovery and evaluation of treatment response. By integrating imaging, tissue findings, and molecular results, studies can examine relationships between measurable tumor features and changes observed during disease or therapy.