Clinicopathological Features of Small Bowel Tumors Diagnosed by Video Capsule Endoscopy and Balloon-Assisted Enteroscopy: A Single Center Experience
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Background/Aims: Small bowel malignancies often present a diagnostic challenge due to their relative rarity and nonspecific clinicalsymptoms. However, technical developments in endoscopic instruments, including video capsule endoscopy (VCE) and enteroscopy,have allowed for the visualization of the entire small bowel. This study aimed to investigate the clinicopathological features of smallbowel malignant tumors diagnosed by VCE and double-balloon enteroscopy (DBE) in a single tertiary center. Methods: We retrospectively analyzed VCE and DBE findings from Korea University Guro Hospital from January 2010 throughSeptember 2018. Results: A total of 510 VCE and 126 DBE examinations were performed in 438 patients. Small bowel malignancies were diagnosed in28 patients (15 males; mean age, 61.0 years; range, 42 to 81 years). Among them, 8 had lymphoma, 8 had primary adenocarcinoma,7 had gastrointestinal stromal tumor (GIST) and 5 had metastatic cancer. Abdominal pain and obstructive symptoms were the mostcommon findings in metastatic cancers (4/5, 80%). On the other hand, obscure gastrointestinal bleeding was the most commonsymptom of GIST (6/7, 85.7%) and adenocarcinoma (3/8, 37.5%). Conclusions: Approximately 6% of the patients who underwent either VCE or DBE were diagnosed with small bowel malignancy. These findings demonstrated the different clinical characteristics among small bowel malignancies and merit further study.
Abstract
Background/Aims: Small bowel malignancies often present a diagnostic challenge due to their relative rarity and nonspecific clinicalsymptoms. However, technical developments in endoscopic instruments, including video capsule endoscopy (VCE) and enteroscopy,have allowed for the visualization of the entire small bowel. This study aimed to investigate the clinicopathological features of smallbowel malignant tumors diagnosed by VCE and double-balloon enteroscopy (DBE) in a single tertiary center. Methods: We retrospectively analyzed VCE and DBE findings from Korea University Guro Hospital from January 2010 throughSeptember 2018. Results: A total of 510 VCE and 126 DBE examinations were performed in 438 patients. Small bowel malignancies were diagnosed in28 patients (15 males; mean age, 61.0 years; range, 42 to 81 years). Among them, 8 had lymphoma, 8 had primary adenocarcinoma,7 had gastrointestinal stromal tumor (GIST) and 5 had metastatic cancer. Abdominal pain and obstructive symptoms were the mostcommon findings in metastatic cancers (4/5, 80%). On the other hand, obscure gastrointestinal bleeding was the most commonsymptom of GIST (6/7, 85.7%) and adenocarcinoma (3/8, 37.5%). Conclusions: Approximately 6% of the patients who underwent either VCE or DBE were diagnosed with small bowel malignancy. These findings demonstrated the different clinical characteristics among small bowel malignancies and merit further study.
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