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Korean J Helicobacter  Up Gastrointest Res > Volume 15(2); 2015 > Article
The Korean Journal of Helicobacter  and Upper Gastrointestinal Research 2015;15(2):136-140.
DOI: https://doi.org/10.7704/kjhugr.2015.15.2.136    Published online June 10, 2015.
A Case of Esophageal Stricture Due to Metastatic Breast Cancer Diagnosed by Using Endoscopic Ultrasound Guided Fine Needle Biopsy
Shang Hoon Han, Min A Yang, Jae Un Lee, Moon Sik Park, Young Jae Lee, Ji Woong Kim, Myoung Jin Ju, Jin Woong Cho
1Division of Gastroenterology, Department of Internal Medicine, Presbyterian Medical Center, Seonam University College of Medicine, Jeonju, Korea. jeja-1004@daum.net
2Department of Pathology, Presbyterian Medical Center, Seonam University College of Medicine, Jeonju, Korea.
Metastatic cancer to the esophagus is rare and the breasts are the most common primary tumors that metastasize to the esophagus. Since metastatic breast cancer is located in the submucosal layer, diagnosis by general forceps biopsy is difficult. Hence, various techniques including endoscopic ultrasound guided fine needle aspiration, endoscopic ultrasound guided fine needle biopsy, unroofing technique, and submucosal tunneling method are used for diagnosis. Moreover, the patient's medical history should be inspected carefully and previous histological findings of cancer should also be evaluated. Herein, the authors report a case of metastatic breast cancer along with literature reviews. Endoscopy was performed in patient who had undergone breast cancer surgery 13 years previously. Histological examination from a midesophageal stricture was normal. Endoscopic ultrasound was performed and uneven hypoechoic masses were found in the third layer of the esophageal wall. The esophageal stricture was finally diagnosed as metastatic breast cancer by endoscopic ultrasound-guided fine needle biopsy.
Key Words: Neoplasm metastasis; Endosonography; Biopsy, fine-needle; Esophagus; Breast neoplasms

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