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Updated: Jun 11, 2025
Intraoperative Gastroscopy for Tumor Localization in Laparoscopic Surgery for Gastric Adenocarcinoma
Published on: August 9, 2016
Solitary Giant Primary Gastric Plasmacytoma Mimicking Gastric Adenocarcinoma In Situ
Sergio A Bolivar1, Patricia Medina2, Maria Cynthia Fuentes2
1Internal Medicine, Hospital Militar Central, Bogotá, COL.
Abstract:
A solitary extraosseous plasmacytoma is a rare type of plasma cell neoplasm. Its occurrence in the stomach is particularly unusual and can easily be mistaken for more common types of tumors. We describe a case involving a solitary extraosseous plasmacytoma in a patient who experienced weight loss as the sole symptom. Initially, the condition was misdiagnosed as gastric adenocarcinoma based on endoscopic biopsy results, leading to a gastrectomy after neoadjuvant chemotherapy. Subsequent examination of the pathological specimen revealed the presence of plasma cell neoplasia alongside a gastric adenocarcinoma in situ.
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