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Related Experiment Videos

Primary colorectal lymphoma

F J Aragón Sánchez1, F J García Molina, A Rodríguez Fernández

  • 1Service of General Surgery, Jerez de la Frontera Hospital of the S.A.S, Cádiz, Spain.

Revista Espanola De Enfermedades Digestivas
|March 12, 1998
PubMed
Summary

Primary colorectal lymphomas are rare but aggressive malignancies. This study found the cecum to be the most common site, with B-cell phenotype being prevalent. Early diagnosis and unified staging are crucial for better outcomes.

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Area of Science:

  • Gastroenterology
  • Surgical Oncology
  • Hematology

Background:

  • Primary colorectal lymphomas are uncommon malignancies.
  • Accurate diagnosis and staging are essential for effective treatment.
  • Existing staging systems for gastrointestinal lymphoma lack standardization.

Purpose of the Study:

  • To analyze the clinical experience with primary colorectal lymphomas.
  • To evaluate diagnostic methods and treatment outcomes.
  • To identify common sites of involvement and prognostic factors.

Main Methods:

  • Retrospective review of five primary colorectal Non-Hodgkin's lymphoma cases (1989-1995).
  • Confirmation of diagnosis using immunohistochemistry and established criteria (Dawson, Cornes, Morson).

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  • Modified Ann-Arbor staging system (Musshoff and Schmidt-Vollmer) applied.

    • Main Results:

    • Five cases of Non-Hodgkin's lymphoma of the colon (1.2% of colorectal malignancies).
    • The cecum was the most frequent site (4/5 cases); sigmoid colon in one.
    • Clinical presentations included acute abdomen, abdominal mass, and intussusception; B-cell phenotype in 4/5 patients; all received chemotherapy post-resection.

    Conclusions:

    • Primary colorectal lymphoma diagnosis is often not suspected intraoperatively.
    • The cecum is the most common site; perforated lymphoma indicates a poor prognosis.
    • Standardized staging and histological classification are needed for comparative studies.