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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한병리학회 Journal of Pathology and Translational Medicine Journal of Pathology and Translational Medicine 제54권 제2호
- 발행연도
- 2020.1
- 수록면
- 135 - 145 (11page)
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초록· 키워드
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Background: Colorectal epithelial neoplasm extending into the submucosal gut-associated lymphoid tissue (GALT) can cause difficulties in the differential diagnosis. Regarding GALT-associated epithelial neoplasms, a few studies favor the term “GALT carcinoma” while other studies have mentioned the term “GALT-associated pseudoinvasion/epithelial misplacement (PEM)”. Methods: The clinicopathologic characteristics of 11 cases of colorectal epithelial neoplasm associated with submucosal GALT diagnosed via endoscopic submucosal dissection were studied. Results: Eight cases (72.7%) were in males. The median age was 59 years, and age ranged from 53 to 73. All cases had a submucosal tumor component more compatible with GALT-associated PEM. Eight cases (72.7%) were located in the right colon. Ten cases (90.9%) had a non-protruding endoscopic appearance. Nine cases (81.8%) showed continuity between the submucosal and surface adenomatous components. Nine cases showed (81.8%) focal defects or discontinuation of the muscularis mucosae adjacent to the submucosal GALT. No case showed hemosiderin deposits in the submucosa or desmoplastic reaction. No case showed single tumor cells or small clusters of tumor cells in the submucosal GALT. Seven cases (63.6%) showed goblet cells in the submucosa. No cases showed oncocytic columnar cells lining submucosal glands. Conclusions: Our experience suggests that pathologists should be aware of the differential diagnosis of GALT-associated submucosal extension by colorectal adenomatous neoplasm. Further studies are needed to validate classification of GALT-associated epithelial neoplasms.
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참고문헌 (65)
참고문헌 신청
Neutra MR / 2001 / Collaboration of epithelial cells with organized mucosal lymphoid tissues / Nat Immunol 2:1004~1009
Rubio CA / 2018 / The third pathway of colorectal carcinogenesis / J Clin Pathol 71:7~11
Elmore SA / 2006 / Enhanced histopathology of mucosa-associated lymphoid tissue / Toxicol Pathol 34:687~696
Langman JM / 1986 / The number and distribution of lymphoid follicles in the human large intestine / J Anat 149:189~194
Kealy WF / 1976 / Colonic lymphoid-glandular complex(microbursa) : nature and morphology / J Clin Pathol 29:241~244
Rubio CA / 2018 / The third pathway of colorectal carcinogenesis / J Clin Pathol 71:7~11
Elmore SA / 2006 / Enhanced histopathology of mucosa-associated lymphoid tissue / Toxicol Pathol 34:687~696
Langman JM / 1986 / The number and distribution of lymphoid follicles in the human large intestine / J Anat 149:189~194
Kealy WF / 1976 / Colonic lymphoid-glandular complex(microbursa) : nature and morphology / J Clin Pathol 29:241~244
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