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. 2021 Jan;9(1):50.
doi: 10.21037/atm-20-3474.

Endoscopic ultrasound efficacy in staging gastric linitis plastica lesion: a retrospective multicentric French study

Stephanie Morgant  1 , Pascal Artru  2 , Ammar Oudjit  3 , Nelson Lourenco  4 , Arnaud Pasquer  5 , Thomas Walter  6 , Jean-Marc Gornet  4 , Alexandre Rouquette  7 , Catherine Brezault  1 , Romain Coriat  1
Affiliations

Endoscopic ultrasound efficacy in staging gastric linitis plastica lesion: a retrospective multicentric French study

Stephanie Morgant et al. Ann Transl Med. 2021 Jan.

Abstract

Background: Endoscopic ultrasound (EUS) is a key imaging technique in gastric cancer (GC). The aim of this study was to evaluate the performance of EUS in the staging of parietal and lymph node involvement in linitis plastica (LP) compared to "classical" GC.

Methods: A retrospective multicentric French study was conducted on patients with no metastatic LP and operated by gastrectomy. A 2/1 matching based on pTNM stage and center was performed with GC.

Results: Forty-three patients were included, sixteen patients in the LP group and 27 in the control group. Sensitivity and specificity of EUS for diagnosis of T3-T4 parietal invasion were 77% and 100% respectively in the LP group and 89% and 56% respectively in the control group. Sensitivity and specificity of EUS for diagnosis of lymph node involvement were 73% and 80%, respectively in the LP group and 88% and 50%, respectively in the control group. Patients from LP group had significantly more advanced histological lesion, and frequent undiagnosed peritoneal carcinomatosis.

Conclusions: This study evaluated for the first time in a European population, the preoperative EUS performance in LP. Our study identified a similar sensitivity and specificity of the EUS in LP compared to "classical" GC paving for a broader use of EUS in preoperative settings.

Keywords: Linitis plastica (LP); case-control study; digestive cancer; endoscopic ultrasound (EUS); gastric cancer (GC).

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Conflict of interest statement

Conflicts of Interest: All authors have completed the ICMJE uniform disclosure form (available at http://dx.doi.org/10.21037/atm-20-3474). All authors have no conflicts of interest to declare.

Figures

Figure 1
Figure 1
Gastric cancer. (A) Macroscopic aspect of linitis plastica with rigid large folds; (B) and microscopic aspect of linitis plastica with a dense desmoplastic reaction (HE, ×200).
Figure 2
Figure 2
Flow chart.
See this image and copyright information in PMC

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