There are various clinical presentations of inguinal hernia. Computed tomography is a well-known tool to help diagnose inguinal hernia; however, radiographs are rarely reported to be useful in this aspect. We present a rare case wherein radiographs helped in the diagnosis of inguinal hernia.

There are various complications of PICC, bloodstream infection is well known, but the formation of guidewire knots during PICC insertion is rarely reported. Considering the risk of vascular injury in our case, surgical guidewire removal was performed. Although rare, it is necessary to recognize proper treatment for these complications.

Retropharyngeal emphysema is a rare condition with various causes including traumatic and iatrogenic injuries, or it could occur spontaneously. Symptoms of mediastinitis and/or airway obstruction should be evaluated as indicators for surgical incision. Complications of mediastinitis are associated with poor prognosis; therefore, worsening of symptoms should be carefully monitored.

Rice cake is a traditional Japanese food. Interestingly, rice cake can stay in the intestine due to its stickiness and cause food-induced ileus. This case shows an example of intestinal obstruction caused by rice cake. Globalization of Japanese food culture necessitates a deeper understanding of such a characteristic disease.