Abstract
Introduction: Anisakiasis is the human infection by third stage larvae of Anisakis spp.. We report a case of anisakiasis on stomach and colon mimicking submucosal tumor (SMT). Case Description: A 60-year-old man visited to outpatient clinic with abdominal pain and vomiting. The symptom had started within one hour after eating sliced raw flatfish (sashimi) four days ago. Upper Endoscopy revealed generalized gastric mucosal edema with erythema and erosions. Furthermore, numerous worms penetrating into gastric mucosa were noted (Fig. 1). Fifty-one worms, 0.5∼3cm in length, were extracted by forcep endoscopically. The patient had a quick recovery. After 3 week follow-up endoscopy, multiple SMT-like lesions (1∼3.5cm sized) were noted on corpus (Fig. 2).
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