• Chi Li, Chee-Chien Yong, and Domelle Dave Encarnacion.
• Department of Surgery, Kaohsiung Chang Gung Memorial Hospital, No.123, Dapi Rd., Niaosong Dist., Kaohsiung City, 833, Taiwan, Republic of China. foocollie7@gmail.com.
• Bmc Surg. 2019 Sep 10; 19 (1): 132.

BackgroundForeign body ingestion is a scenario occasionally encountered in the emergency room. Pediatric and psychiatric patients are the two most common populations suffering from accidental or in some cases intentional ingestion of foreign bodies. Commonly, majority of cases require no specific treatment and the swallowed objects pass through the digestive tract spontaneously without causing any significant complications. Less than 1% of the cases complicates with gastrointestinal tract perforation, which are often caused by sharp objects, which warrants surgical intervention. The average time from foreign body ingestion to development of perforation was noted at 10.4 days in previous reports. These cases often present in rapidly progressing peritonitis and are subsequently managed by emergent laparotomy. In this case report, we describe an accidental chopstick ingestion of a patient who initially was misdiagnosed and remained asymptomatic for nine months, then presented with acute abdomen.Case PresentationA 27-year-old man accidentally ingested a wooden chopstick and sought consult at a clinic. Negative abdominal plain film misled the physician to believe ingested chopstick was digested into fragments and passed out unnoticed. The patient presented acute abdomen caused by duodenal perforation nine months later and was subsequently treated with emergency laparotomy with primary duodenorrhaphy.ConclusionsNegative plain films are not sufficient to conclude a conservative treatment in foreign body ingestion. Computed tomography scan or endoscopic examinations should be done to rule out retained foreign body within gastrointestinal tract.

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