Radiologic Diagnosis of Retrograde Jejunogastric Intussusception: Report of a Case

Retrograde jejunogastric intussusception is a rare complication of Billroth Ⅱ subtotal gastrectomy. The non-specific clinical manifestation makes pre-operative diagnosis difficult 'but as delay in diagnosis raises the mortality rate. Treatment surgically as soon as possible is essential. This report concerns a patient with past history of Biliroth Ⅱ subtotal gastrectomy because of peptic ulcer more than 20 years ago; he was admitted with abrupt onset of abdominal pain and vomiting. After roentgen UGI barium meal study, jejunogastric intussusception of the efferent loop was eventually diagnosed. It should be emphasized that this patient's plain abdominal, pre-operative film showed abnormal dilated proximal jejunum including a round and lobulated mass leading to the diagnosis of jejunogastric intussusception.