Ffpe Fna Tumor Biopsies
Ffpe Fna Tumor Biopsies - Related Videos
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02:31
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13:24
Integration of Wet and Dry Bench Processes Optimizes Targeted Next-generation Sequencing of Low-quality and Low-quantity Tumor Biopsies
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09:26
Preparation and Using Phantom Lesions to Practice Fine Needle Aspiration Biopsies
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Cited by 6 •
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04:37
Sampling Prostate Cancer Tissue for Biobanking: An MRI-guided Targeted Technique to Remove Biopsy Punches from Fresh Tumor Tissue
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This video demonstrates an MRI data-based technique to target specific tumor-containing regions in prostate tissue for sampling. The collected biopsy specimens can be either stored for biobanking purposes or used for subsequent downstream analysis.
FAQs
Formalin fixation stabilizes cellular structures before processing, helping retain the microscopic features needed for pathological examination. This preservation step creates a consistent basis for later paraffin embedding, sectioning, and staining. In medicine, maintaining recognizable cellular architecture is important because morphology contributes to tumor diagnosis and classification.
Paraffin embedding converts the fixed aspirated material into a form that can be sectioned into thin slices. These sections can then undergo staining or additional testing, allowing the same preserved specimen to support microscopic assessment and biomarker evaluation. The process therefore links specimen preservation with practical laboratory analysis.
Morphology shows the microscopic characteristics of the tumor cells, while biomarker testing provides additional information about their biological profile. Considering both types of findings can produce a more informative characterization than either alone. This combined view helps connect pathological observations with disease biology and treatment planning.
The preserved material from these biopsies can be used for genomic testing in addition to pathological examination. Molecular findings may add information that is not apparent from cellular appearance alone, helping researchers and clinicians investigate tumor biology. This makes the specimen useful for connecting laboratory measurements with therapeutic decisions.
They are particularly useful when obtaining a larger surgical biopsy is impractical. Because the material comes from a minimally invasive sampling approach, it can still provide tissue or cellular evidence for diagnosis, classification, and treatment planning. The preserved sample may also support later immunohistochemical or genomic evaluation.
After tumor cells are obtained by fine-needle aspiration, the specimen is fixed in formalin, embedded in paraffin, and sectioned into thin slices. The resulting sections can be stained for morphological assessment or tested for biomarkers and genomic features. Each stage prepares the specimen for a different aspect of pathological or molecular interpretation.