Intestinal metastases from extraintestinal primary cancer
Lymphoma: Malignant tumor of B lymphocytes
Primary small bowel (SB) lymphoma: Limited to bowel ± mesenteric nodes
Secondary or generalized lymphoma: Involvement of spleen, liver, or thoracic nodes
IMAGING
General Features
Radiographic Findings
CT Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
Gallino G et al: Surgical treatment of melanoma metastases to the small bowel: a single cancer referral center real-life experience. Eur J Surg Oncol. 47(2):409-15, 2021
Baiu I et al: Minimally invasive small bowel cancer surgery. Surg Oncol Clin N Am. 28(2):273-83, 2019
Lee MH et al: Clinical time course and CT detection of metastatic disease to the small bowel. Abdom Radiol (NY). 44(6):2104-10, 2019
Shirwaikar Thomas A et al: Gastrointestinal lymphoma: the new mimic. BMJ Open Gastroenterol. 6(1):e000320, 2019
Pezzella M et al: Detecting a rare composite small bowel lymphoma by magnetic resonance imaging coincidentally: a case report with radiological, surgical and histopathological features. Int J Surg Case Rep. 46:50-5, 2018
Baderca F et al: Mucosal melanomas in the elderly: challenging cases and review of the literature. Clin Interv Aging. 9:929-37, 2014
Biagi F et al: Low incidence but poor prognosis of complicated coeliac disease: a retrospective multicentre study. Dig Liver Dis. 46(3):227-30, 2014
Ilus T et al: Incidence of malignancies in diagnosed celiac patients: a population-based estimate. Am J Gastroenterol. 109(9):1471-7, 2014
Masselli G et al: Small-bowel neoplasms: prospective evaluation of MR enteroclysis. Radiology. 251(3):743-50, 2009
Buckley O et al: The imaging of coeliac disease and its complications. Eur J Radiol. 65(3):483-90, 2008
Pickhardt PJ et al: Evaluation of submucosal lesions of the large intestine: part 1. Neoplasms. Radiographics. 27(6):1681-92, 2007
Sailer J et al: MDCT of small bowel tumours. Cancer Imaging. 7:224-33, 2007
Gore RM et al: Diagnosis and staging of small bowel tumours. Cancer Imaging. 6:209-12, 2006
Mendelson RM et al: Primary gastrointestinal lymphomas: a radiological-pathological review. Part 2: small intestine. Australas Radiol. 50(2):102-13, 2006
Ohashi S et al: Education and imaging. Gastrointestinal: MALT lymphoma of the terminal ileum. J Gastroenterol Hepatol. 21(9):1495, 2006
Horton KM et al: Multidetector-row computed tomography and 3-dimensional computed tomography imaging of small bowel neoplasms: current concept in diagnosis. J Comput Assist Tomogr. 28(1):106-16, 2004
Sheth S et al: Mesenteric neoplasms: CT appearances of primary and secondary tumors and differential diagnosis. Radiographics. 23(2):457-73; quiz 535-6, 2003
Buckley JA et al: CT evaluation of small bowel neoplasms: spectrum of disease. Radiographics. 18(2):379-92, 1998
Balthazar EJ et al: CT of small-bowel lymphoma in immunocompetent patients and patients with AIDS: comparison of findings. AJR Am J Roentgenol. 168(3):675-80, 1997
Rubesin SE et al: Non-Hodgkin lymphoma of the small intestine. Radiographics. 10(6):985-98, 1990
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Clinical Issues
TERMINOLOGY
Definitions
Intestinal metastases from extraintestinal primary cancer
Lymphoma: Malignant tumor of B lymphocytes
Primary small bowel (SB) lymphoma: Limited to bowel ± mesenteric nodes
Secondary or generalized lymphoma: Involvement of spleen, liver, or thoracic nodes
IMAGING
General Features
Radiographic Findings
CT Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
Gallino G et al: Surgical treatment of melanoma metastases to the small bowel: a single cancer referral center real-life experience. Eur J Surg Oncol. 47(2):409-15, 2021
Baiu I et al: Minimally invasive small bowel cancer surgery. Surg Oncol Clin N Am. 28(2):273-83, 2019
Lee MH et al: Clinical time course and CT detection of metastatic disease to the small bowel. Abdom Radiol (NY). 44(6):2104-10, 2019
Shirwaikar Thomas A et al: Gastrointestinal lymphoma: the new mimic. BMJ Open Gastroenterol. 6(1):e000320, 2019
Pezzella M et al: Detecting a rare composite small bowel lymphoma by magnetic resonance imaging coincidentally: a case report with radiological, surgical and histopathological features. Int J Surg Case Rep. 46:50-5, 2018
Baderca F et al: Mucosal melanomas in the elderly: challenging cases and review of the literature. Clin Interv Aging. 9:929-37, 2014
Biagi F et al: Low incidence but poor prognosis of complicated coeliac disease: a retrospective multicentre study. Dig Liver Dis. 46(3):227-30, 2014
Ilus T et al: Incidence of malignancies in diagnosed celiac patients: a population-based estimate. Am J Gastroenterol. 109(9):1471-7, 2014
Masselli G et al: Small-bowel neoplasms: prospective evaluation of MR enteroclysis. Radiology. 251(3):743-50, 2009
Buckley O et al: The imaging of coeliac disease and its complications. Eur J Radiol. 65(3):483-90, 2008
Pickhardt PJ et al: Evaluation of submucosal lesions of the large intestine: part 1. Neoplasms. Radiographics. 27(6):1681-92, 2007
Sailer J et al: MDCT of small bowel tumours. Cancer Imaging. 7:224-33, 2007
Gore RM et al: Diagnosis and staging of small bowel tumours. Cancer Imaging. 6:209-12, 2006
Mendelson RM et al: Primary gastrointestinal lymphomas: a radiological-pathological review. Part 2: small intestine. Australas Radiol. 50(2):102-13, 2006
Ohashi S et al: Education and imaging. Gastrointestinal: MALT lymphoma of the terminal ileum. J Gastroenterol Hepatol. 21(9):1495, 2006
Horton KM et al: Multidetector-row computed tomography and 3-dimensional computed tomography imaging of small bowel neoplasms: current concept in diagnosis. J Comput Assist Tomogr. 28(1):106-16, 2004
Sheth S et al: Mesenteric neoplasms: CT appearances of primary and secondary tumors and differential diagnosis. Radiographics. 23(2):457-73; quiz 535-6, 2003
Buckley JA et al: CT evaluation of small bowel neoplasms: spectrum of disease. Radiographics. 18(2):379-92, 1998
Balthazar EJ et al: CT of small-bowel lymphoma in immunocompetent patients and patients with AIDS: comparison of findings. AJR Am J Roentgenol. 168(3):675-80, 1997
Rubesin SE et al: Non-Hodgkin lymphoma of the small intestine. Radiographics. 10(6):985-98, 1990
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