A rare cecal subepithelial tumor in a Crohn´s Disease patient

Appendiceal tumors comprise a variety of histologic types, including appendiceal mucinous neoplasms, which can be grouped as premalignant lesions, tumors of uncertain malignant potential, and malignant lesions. The appendiceal mucinous neoplasms are characterized by mucinous epithelial proliferation...

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Bibliographic Details
Published in:Autopsy & case reports 2021, Vol.11, p.e2020211
Main Authors: da Silva, Joana Inês Alves, Caetano, Cidalina, da Rocha, Anabela Maria Sousa, Lamas, Nuno Jorge, Lago, Paula, Pedroto, Isabel Maria Teixeira de Carvalho
Format: Article
Language:English
Subjects:
ANATOMY & MORPHOLOGY
Appendiceal tumors
Clinical Case Report and Review
Crohn´s Disease
Cystic
Mucinous
Neoplasms
PATHOLOGY
Serous
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Summary:Appendiceal tumors comprise a variety of histologic types, including appendiceal mucinous neoplasms, which can be grouped as premalignant lesions, tumors of uncertain malignant potential, and malignant lesions. The appendiceal mucinous neoplasms are characterized by mucinous epithelial proliferation with extracellular mucin and pushing tumor margins, commonly an incidental finding during operative exploration. We report the case of a low-grade appendiceal mucinous neoplasm presenting as a subepithelial lesion in Crohn´s Disease patient. The diagnosis was not straightforward, and only surgical resection allowed an accurate diagnosis. Although Inflammatory Bowel Disease is a risk factor for the development of colorectal neoplasms, the absolute risk for appendiceal tumors is uncertain. The frequency of progression to malignancy remains to be determined.
ISSN:2236-1960
2236-1960
DOI:10.4322/acr.2020.211