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Related Experiment Videos

Endoscopic ultrasonography in rectal linitis plastica

I Dumontier1, G Roseau, L Palazzo

  • 1Hepatogastroenterology Unit of Cochin Hospital, Paris V University, France.

Gastrointestinal Endoscopy
|January 20, 1998
PubMed
Summary
This summary is machine-generated.

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Rectal linitis plastica (RLP) diagnosis is challenging, but endoscopic ultrasonography (EUS) reveals characteristic rectal wall thickening. EUS is also valuable for monitoring treatment response in RLP patients.

Area of Science:

  • Gastroenterology
  • Oncology
  • Diagnostic Imaging

Background:

  • Rectal linitis plastica (RLP) is a rare, aggressive malignancy with diagnostic challenges due to nonspecific symptoms and low biopsy sensitivity.
  • RLP can present as a primary rectal tumor or metastasis from gastric, breast, or prostate cancers.
  • Accurate diagnosis and monitoring are crucial for improving patient prognosis.

Purpose of the Study:

  • To characterize the endosonographic appearance of rectal linitis plastica (RLP).
  • To assess the utility of endoscopic ultrasonography (EUS) in diagnosing RLP.
  • To evaluate the effectiveness of EUS in monitoring treatment response for RLP.

Main Methods:

  • Retrospective analysis of 22 video-recorded endoscopic ultrasonography (EUS) examinations in 11 patients with histologically confirmed RLP.

Related Experiment Videos

  • Evaluation of treatment response in three patients with secondary RLP.

    • Main Results:

    • EUS consistently demonstrated circumferential rectal wall thickening (mean 13 mm), primarily involving the submucosa and muscularis propria.
    • EUS detected locoregional involvement, including perirectal fat infiltration, ascites, and lymph nodes, in nine cases, findings often missed by CT.
    • EUS effectively identified lack of treatment response in two patients and treatment improvement in one patient after chemotherapy modification.

    Conclusions:

    • Endoscopic ultrasonography (EUS) exhibits distinct features aiding in the diagnosis of rare rectal linitis plastica (RLP).
    • EUS serves as a valuable tool for assessing treatment efficacy and guiding management in RLP patients.