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Updated: Aug 11, 2026

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Establishment and Characterization of Patient-derived Gastric Organoids from Biopsies of Benign Gastric Body and Antral Epithelium
Published on: January 26, 2024
[Gastric amyloidosis mimicking malignancy. A case report]
1Service de chirurgie A, hôpital La-Rabta, 1007 Jabbari, Tunis, Tunisie. bdioui@yahoo.fr
Annales De Chirurgie
|March 3, 2006
Summary
This case study highlights a rare instance of primary amyloidosis mimicking gastric cancer. Early diagnosis and treatment are crucial for managing this condition, even when it presents as an obstruction.
Area of Science:
- Gastroenterology
- Pathology
- Oncology
Background:
- Amyloidosis involves abnormal extracellular protein deposition, frequently affecting the gastrointestinal tract (50-70% of cases).
- Primary amyloidosis, specifically light chain amyloidosis, can present with rare localized gastric involvement, often mistaken for malignancy.
Observation:
- A 56-year-old male presented with upper digestive outlet obstruction.
- Gastroscopy, barium meal, and endoscopic ultrasonography suggested linitis plastica with lymph node involvement.
- Gastric biopsies initially failed to confirm malignancy, leading to a total gastrectomy and lymph node dissection.
Findings:
- Pathological examination confirmed gastric and lymph node amyloidosis, ruling out malignancy.
- The patient's condition progressed despite surgical intervention.
Implications:
- This case underscores the importance of considering amyloidosis in the differential diagnosis of gastric outlet obstruction, especially when biopsies are inconclusive for cancer.
- Amyloidosis, even when localized, can lead to severe complications such as cardiac failure, emphasizing the need for comprehensive patient management and follow-up.
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