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  2. Histopathology of colorectal adenocarcinoma - Wikipedia

    en.wikipedia.org/wiki/Histopathology_of...

    (B) Rhabdoid colorectal carcinoma: rhabdoid cells characterized by a large, eccentrically located nuclei, prominent nucleoli (red arrow) and abundant eosinophilic cytoplasm. (C) Carcinoma with osseous metaplasia: osseous metaplasia (blue arrow) is recognized in conventional CRC as foci of bone formation in the stroma, with calcification ...

  3. Aberrant crypt foci - Wikipedia

    en.wikipedia.org/wiki/Aberrant_crypt_foci

    Aberrant crypt foci (ACF) are clusters of abnormal tube-like glands in the lining of the colon and rectum. Aberrant crypt foci form before colorectal polyps and are one of the earliest changes seen in the colon that may lead to cancer. ACF are, as opposed to normal epithelial cells, apoptosis resistant.

  4. Precancerous condition - Wikipedia

    en.wikipedia.org/wiki/Precancerous_condition

    Premalignant lesions are morphologically atypical tissue which appear abnormal when viewed under the microscope, and which are more likely to progress to cancer than normal tissue. [7] Precancerous conditions and lesions affect a variety of organ systems, including the skin, oral cavity, stomach, colon, lung, and hematological system.

  5. Intestinal epithelium - Wikipedia

    en.wikipedia.org/wiki/Intestinal_epithelium

    The intestinal epithelium is the single cell layer that forms the luminal surface (lining) of both the small and large intestine (colon) of the gastrointestinal tract.Composed of simple columnar epithelium its main functions are absorption, and secretion.

  6. Familial adenomatous polyposis - Wikipedia

    en.wikipedia.org/wiki/Familial_adenomatous_polyposis

    The change allows numerous cells of the intestinal wall to develop into potentially cancerous polyps when they would usually reach the end of their life; inevitably one or more will eventually progress and give rise to cancer (7% risk by age 21, rising to 87% by age 45 and 93% by age 50). These gene changes do not trigger cancer, but rather ...

  7. Dysplasia - Wikipedia

    en.wikipedia.org/wiki/Dysplasia

    Normal squamous cells Dysplastic cells. Dysplasia is any of various types of abnormal growth or development of cells (microscopic scale) or organs (macroscopic scale), and the abnormal histology or anatomical structure(s) resulting from such growth. [1] Dysplasias on a mainly microscopic scale include epithelial dysplasia and fibrous dysplasia ...

  8. A 34-year-old teacher finally got on 'Jeopardy!' after 15 ...

    www.aol.com/lifestyle/34-old-teacher-finally-got...

    The colonoscopy was abnormal and, on May 9, Burge was diagnosed with colon cancer. On May 22, he found out that the cancer had spread to his liver. That made it stage IV.

  9. Neoplasm - Wikipedia

    en.wikipedia.org/wiki/Neoplasm

    In the colon, a field defect probably arises by natural selection of a mutant or epigenetically altered cell among the stem cells at the base of one of the intestinal crypts on the inside surface of the colon. A mutant or epigenetically altered stem cell may replace the other nearby stem cells by natural selection.

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