Strategy of treatment of submucosal gastric tumors.
BACKGROUND: The more frequent use of endoscopic ultrasonography (EUS) leads to an increased number of diagnosed gastric submucosal tumors (G-SMT). Since until now rather little therapeutical success in respect of these tumors has been achieved, we evaluated our concept of watchful waiting and selective treatment of patients with G-SMT in an analysis of prospectively collected data. PATIENTS AND METHODS: Forty-seven consecutive patients with G-SMT treated at our institution between 1994 and 2000, were included. All patients underwent abdominal ultrasound and EUS, and in case of suspicious findings or a tumor size > 2 cm EUS fine needle aspiration (EUS-FNA) was performed. Patients were operated on if a malignant tumor was suspected (tumor size > 2 cm; detection of metastases) or if complications occurred (e.g. bleeding, ulceration). RESULTS: All 47 patients were included in this study. Typical symptoms were nausea (64%), bleeding (11%) and pain (9%). EUS showed a G-SMT averaging 6.4 (0.8 - 30) cm in size. EUS-FNA was performed in 24 patients revealing PAP III (n = 1), PAP II (n = 21) and PAP I (n = 2) scores. Surgery was performed in 33 patients, revealing gastrointestinal stromal tumors (GISTs) in 18 patients as well as several other malignant and non-malignant lesions. During follow-up (median 37 months), none of the conservatively treated patients (n = 14) developed a malignant tumor. CONCLUSIONS: In one third of our patients surgery could be avoided with this strategy. No delayed diagnosis of a malignant tumor during follow-up was established. Small G-GMT's should be monitored conservatively if diagnostic procedures and follow-up was performed by EUS and eventually EUS-FNA.[1]References
- Strategy of treatment of submucosal gastric tumors. Sato, T., Peiper, M., Fritscher-Ravens, A., Gocht, A., Soehendra, N., Knoefel, W.T. Eur. J. Med. Res. (2005) [Pubmed]
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