Abstract
We report a case of retrorectal neuroendocrine carcinoma in a 68-year-old male. This malignant tumor was associated with cystic structures with a variety of epithelial linings, including squamous, ciliated, columnar, and transitional, consistent with a tailgut cyst. To the best of our knowledge this is only the second such tumor reported in the literature.
MeSH terms
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Aged
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Carcinoma, Neuroendocrine / diagnostic imaging
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Carcinoma, Neuroendocrine / pathology*
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Carcinoma, Neuroendocrine / surgery
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Cell Transformation, Neoplastic
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Cysts / pathology*
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Humans
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Male
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Pelvic Neoplasms / diagnostic imaging
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Pelvic Neoplasms / pathology*
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Pelvic Neoplasms / surgery
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Rectal Diseases / pathology*
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Surgical Procedures, Operative
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Tomography, X-Ray Computed