The NANETS consensus guidelines for the diagnosis and management of gastrointestinal neuroendocrine tumors (NETs)

Well-differentiated nets of the distal colon and rectum

Lowell B. Anthony, Jonathan R. Strosberg, David S. Klimstra, William J. Maples, Thomas M. O'Dorisio, Richard R P Warner, Gregory A. Wiseman, Al B. Benson, Rodney Pommier

    Research output: Contribution to journalArticle

    129 Citations (Scopus)

    Abstract

    Neuroendocrine tumors (NETs) of the distal colon and rectum are also known as hindgut carcinoids based on their common embryologic derivation. Their annual incidence in the United States is rising, primarily as a result of increased incidental detection. Symptoms of rectal NETs include hematochezia, pain, and change in bowel habits. Most rectal NETs are small, submucosal in location, and associated with a very low malignant potential. Tumors larger than 2 cm or those invading the muscularis propria are associated with a significantly higher risk of metastatic spread. Colonic NETs proximal to the rectum are rarer and tend to behave more aggressively. The incidence of rectal NETs in African Americans and Asians is substantially higher than in Caucasians. Colorectal NETs are generally not associated with a hormonal syndrome such as flushing or diarrhea. A multidisciplinary approach is recommended in diagnosing and managing hindgut NETs.

    Original languageEnglish (US)
    Pages (from-to)767-774
    Number of pages8
    JournalPancreas
    Volume39
    Issue number6
    DOIs
    StatePublished - Aug 2010

    Fingerprint

    Neuroendocrine Tumors
    Rectum
    Consensus
    Colon
    Guidelines
    Rectal Neoplasms
    Gastrointestinal Hemorrhage
    Incidence
    Carcinoid Tumor
    African Americans
    Habits
    Colorectal Neoplasms
    Diarrhea
    Pain
    Neoplasms

    Keywords

    • carcinoid
    • colorectal
    • guidelines
    • hindgut
    • neuroendocrine carcinoma
    • neuroendocrine tumors

    ASJC Scopus subject areas

    • Hepatology
    • Internal Medicine
    • Endocrinology
    • Endocrinology, Diabetes and Metabolism

    Cite this

    The NANETS consensus guidelines for the diagnosis and management of gastrointestinal neuroendocrine tumors (NETs) : Well-differentiated nets of the distal colon and rectum. / Anthony, Lowell B.; Strosberg, Jonathan R.; Klimstra, David S.; Maples, William J.; O'Dorisio, Thomas M.; Warner, Richard R P; Wiseman, Gregory A.; Benson, Al B.; Pommier, Rodney.

    In: Pancreas, Vol. 39, No. 6, 08.2010, p. 767-774.

    Research output: Contribution to journalArticle

    Anthony, Lowell B. ; Strosberg, Jonathan R. ; Klimstra, David S. ; Maples, William J. ; O'Dorisio, Thomas M. ; Warner, Richard R P ; Wiseman, Gregory A. ; Benson, Al B. ; Pommier, Rodney. / The NANETS consensus guidelines for the diagnosis and management of gastrointestinal neuroendocrine tumors (NETs) : Well-differentiated nets of the distal colon and rectum. In: Pancreas. 2010 ; Vol. 39, No. 6. pp. 767-774.
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