V K Chen1, M A Eloubeidi. 1. Dept. of Medicine, Division of Gastroenterology and Hepatology, University of Alabama at Birmingham, Birmingham, Alabama 35294-0007, USA.
Abstract
BACKGROUND AND STUDY AIMS: The aims of this study were: firstly, to determine the usefulness of endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) in obtaining tissue diagnosis of intramural and extraintestinal lesions; secondly, to assess the immediate, acute, and 30-day complications in these patients; and thirdly, to assess the impact of the tissue diagnoses on patient management. PATIENTS AND METHODS: All EUS-FNAs of extraintestinal mass lesions and intramural gastrointestinal tumors over a 26-month period were evaluated prospectively. The reference standards for the final diagnosis were surgery (n = 20), repeat imaging (n = 12), clinical follow-up (n = 4), or death from disease (n = 2). Four patients were lost to follow-up. RESULTS: Forty-two consecutive patients (24 men, 18 women; mean age 59.7 years) underwent EUS-FNA of extraintestinal mass lesions and intramural gastrointestinal tumors. Previous attempts at tissue diagnosis had failed in 52.4 % of the patients. The EUS-FNA cytological diagnoses included: 17 gastrointestinal stromal tumors, five esophageal cancers, five rectal cancers, one bronchogenic cyst, one foregut duplication cyst, and 13 other miscellaneous diagnoses. The mean number of passes needed to reach a diagnosis was 3.9 (+/- 2.2). The mean follow-up period was 13.1 months. The sensitivity, specificity, positive predictive value, negative predictive value, and accuracy of EUS-FNA of extraintestinal and intramural tumors were 97 %, 100 %, 100 %, 90 %, and 98 %, respectively. No major complications were encountered. CONCLUSIONS: EUS-FNA is a safe and accurate method that can provide a tissue diagnosis in intramural and extraintestinal mass lesions, especially when other modalities have failed. EUS-FNA significantly affects the management of patients by allowing them to be allocated to appropriate treatment and by avoiding the need for more invasive procedures to obtain tissue diagnosis.
BACKGROUND AND STUDY AIMS: The aims of this study were: firstly, to determine the usefulness of endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) in obtaining tissue diagnosis of intramural and extraintestinal lesions; secondly, to assess the immediate, acute, and 30-day complications in these patients; and thirdly, to assess the impact of the tissue diagnoses on patient management. PATIENTS AND METHODS: All EUS-FNAs of extraintestinal mass lesions and intramural gastrointestinal tumors over a 26-month period were evaluated prospectively. The reference standards for the final diagnosis were surgery (n = 20), repeat imaging (n = 12), clinical follow-up (n = 4), or death from disease (n = 2). Four patients were lost to follow-up. RESULTS: Forty-two consecutive patients (24 men, 18 women; mean age 59.7 years) underwent EUS-FNA of extraintestinal mass lesions and intramural gastrointestinal tumors. Previous attempts at tissue diagnosis had failed in 52.4 % of the patients. The EUS-FNA cytological diagnoses included: 17 gastrointestinal stromal tumors, five esophageal cancers, five rectal cancers, one bronchogenic cyst, one foregut duplication cyst, and 13 other miscellaneous diagnoses. The mean number of passes needed to reach a diagnosis was 3.9 (+/- 2.2). The mean follow-up period was 13.1 months. The sensitivity, specificity, positive predictive value, negative predictive value, and accuracy of EUS-FNA of extraintestinal and intramural tumors were 97 %, 100 %, 100 %, 90 %, and 98 %, respectively. No major complications were encountered. CONCLUSIONS: EUS-FNA is a safe and accurate method that can provide a tissue diagnosis in intramural and extraintestinal mass lesions, especially when other modalities have failed. EUS-FNA significantly affects the management of patients by allowing them to be allocated to appropriate treatment and by avoiding the need for more invasive procedures to obtain tissue diagnosis.
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