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Good Positive and Negative Likelihood Ratios

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Small Bowel Tumor: Likelihood Ratios

Introduction: None written.

[Edit Diagnosis] [Merge dx] [Add prevalence]

Tags: Gastrointestinal Problem Neoplasm Tag this Diagnosis.

The likelihood ratios of findings for Small Bowel Tumor are listed below. See the left navigation bar to change the display.

Good Positive and Negative Likelihood Ratios

Finding +LR-LR Comments, Study
CT Enteroclysis Edit 28.30.2

CT enteroclysis combines the benefit of cross-sectional CT scanning and barium contrast studies. The technique involves infusion of contrast dye via a nasoenteric tube while obtaining CT images. (UpToDate)

Based on study with 219 pts

Study: Possible small-bowel neoplasms: contrast-enhanced and water-enhanced multidetector CT enteroclysis.

Pilleul F; Penigaud M; Milot L; Saurin JC; Chayvialle JA; Valette PJ

Radiology. 2006 Dec;241(3):796-801. Epub 2006 Oct 19.

PMID 17053201

Poorly Diagnostic Findings

Finding +LR-LR Comments, Study
Small bowel enema Edit Sensitivity = 90%

Based on a small study

Small bowel enema is also called enteroclysis, which is a double contrast study that is performed by passing a tube into the proximal small bowel and injecting both barium and methylcellulose. (UpToDate)

Study: Primary malignant tumors in the small bowel: a comparison of the small-bowel enema and conventional follow-through examination.

Bessette JR; Maglinte DD; Kelvin FM; Chernish SM

AJR Am J Roentgenol 1989 Oct;153(4):741-4.

PMID 2672733

Abdominal CT Edit Sensitivity = 87%

Abdominal CT with intravenous and oral contrast can be used to identify one or more of the following manifestations of a carcinoid tumor:

  • The primary tumor
  • Mesenteric stranding due to tumor spread admixed with a fibrotic response
  • Liver metastases (which are invariably present when carcinoid syndrome arises from a gut primary)
  • Mesenteric lymph node enlargement
  • (Modified from UpToDate

    Study: Primary tumors of the small intestine: CT evaluation.

    Dudiak KM; Johnson CD; Stephens DH

    AJR Am J Roentgenol 1989 May;152(5):995-8.

    PMID 2705358

    Computed tomography of abdominal carcinoid tumor.

    Cockey BM; Fishman EK; Jones B; Siegelman SS

    J Comput Assist Tomogr 1985 Jan-Feb;9(1):38-42.

    PMID 3968277

    UGI/SBFT Edit Sensitivity = 33%

    Based on a small study

    Study: Primary malignant tumors in the small bowel: a comparison of the small-bowel enema and conventional follow-through examination.

    Bessette JR; Maglinte DD; Kelvin FM; Chernish SM

    AJR Am J Roentgenol 1989 Oct;153(4):741-4.

    PMID 2672733

    Findings With Unspecified Accuracy

    Finding +LR-LR Comments, Study
    MRI Edit No accuracy specified.

    Gadolinium-enhanced MRI of the liver is actually a more sensitive test for the presence and extent of liver metastases in patients with carcinoid(UpToDate)

    Study: Assessment of the extent of metastases of gastrointestinal carcinoid tumors using whole-body PET, CT, MRI, PET/CT and PET/MRI.

    Seemann MD; Meisetschlaeger G; Gaa J; Rummeny EJ

    Eur J Med Res. 2006 Feb 21;11(2):58-65.

    PMID 16504962

    Wireless capsule endoscopy Edit No accuracy specified.

    Study: no study specified.

    Enteroscopy Edit No accuracy specified.

    Study: no study specified.

    Laparotomy Edit No accuracy specified.

    Study: no study specified.