Kazuki Chiyonobu

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Foreign body ingestion is a commonly encountered clinical problem. In particular, sharp foreign bodies lodged in the esophagus or hypopharynx can cause complications and require urgent removal. Removal by flexible esophagogastroduodenoscopy or rigid esophagoscopy is the treatment of choice and has high success rates, but cases in which these methods are(More)
To determine the efficacy of endoscopic electrocauterization for pyriform sinus fistula (PSF) using a flexible Bugbee cautery electrode. From 2009 to 2016, a total of eight patients with acute suppurative thyroiditis or cervical abscess secondary to PSF were retrospectively registered in our study (three males, five females; median age 6.5 years). All(More)
Fish bones as a foreign body are often present in the palatine tonsil and the base of the tongue. Such foreign bodies can often be diagnosed with inspection only. However, it is difficult to diagnose and extirpate a foreign body when it is buried in the oral/pharyngeal mucosa. We experienced a case of a fish bone foreign body buried in the tongue muscle(More)
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