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BACKGROUND: We report the first case of acute hemorrhagic cholecystitis with large hemoperitoneum related to gallbladder wall fragility caused by neurofibroma cell infiltration. CASE PRESENTATION: A 46-year-old man with neurofibromatosis type 1 (NF1), who had been hospitalized for retroperitoneal hematoma and treated by transarterial embolization 9 days earlier, complained of right upper quadrant pain, bloating, nausea, and emesis. Computed tomography revealed fluid collection and a distended gallbladder with high-density contents. The patient was taken to the operating room for laparoscopic cholecystectomy, with consideration of the hemodynamic tolerance, for acute hemorrhagic cholecystitis. An initial laparoscopy revealed a significant amount of blood in the abdominal cavity exuding from the gallbladder. Due to its fragility, the gallbladder was easily ruptured by surgical manipulation. After conversion to open surgery, subtotal cholecystectomy was performed. Seventeen days after surgery, the patient was transferred to another hospital for rehabilitation. Histological examination revealed diffuse and nodular proliferation of spindle cells that had replaced the muscularis propria of the gallbladder wall. CONCLUSION: This clinical case highlights how NF1 can cause various symptoms in the blood vessels and gastrointestinal tract, including the gallbladder.

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BACKGROUND: In severe pelvic fracture, keys of successful treatment are early hemostasis and timely definitive care. We present a case in which the patient was treated by fast and reliable hemostasis and subsequent comprehensive hemicorporectomy. CASE PRESENTATION: We describe the case of a 47-year-old man with severe pelvic trauma. He received early intervention by the helicopter emergency medical service, which included rapid transarterial embolization as damage control interventional radiology in the hybrid emergency room, and hemicorporectomy as a multidisciplinary approach. This series of treatments saved his life and he was discharged home. CONCLUSION: Hemicorporectomy could be the only treatment option in patients with severe pelvic injury when there are no reconstruction options. To the best of our knowledge, this is the first case of severe open pelvic fractures with blood vessel damage, successfully treated by initial hemostasis using the helicopter emergency medical service, hybrid emergency room system, and following hemicorporectomy as a definitive care.

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We report on 3 patients aged 9-12 years with pancreatic injury involving the main pancreatic duct. None of them presented with shock. They were initially transported to secondary emergency care facilities, leading to delays in diagnosis and treatment. Two patients underwent organ (spleen and pancreatic tail)-preserving surgery and one underwent non-operative management (NOM). They recovered and were discharged without major complications. Although the indications for NOM for paediatric pancreatic injury might increase in the future, we believe that it is preferable for patients to be transferred to the tertiary care hospital from the very beginning to recieve appropriate diagnosis and treatment.

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A 76-year-old man was admitted to our emergency department owing to chest pain, which started immediately after lunch. Although electrocardiogram revealed ST-segment elevation with hyperacute T-wave changes in the anterior lead tracings, emergency coronary angiography revealed normal coronary arteries. Echocardiography revealed left ventricular (LV) compression with left ventricular obstruction (LVO) caused by an echogenic mass. Computed tomography clearly revealed compression of both left atrial (LA) and LV by a large hiatal hernia. A large hiatal hernia can induce cardiac symptoms resulting from cardiac compression. This case highlights a possible association between chest pain and LVO caused by a hiatal hernia.

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Thoracic oesophageal gunshot injuries are uncommon, and the morbidity and mortality rates are extremely high and depend on the elapsed time, injury severity, and concomitant organ damage. Thus, early diagnosis is paramount to avoid delays, which in turn confer poorer outcomes. Current management strategies are still controversial and depend on the patient's physiologic state. We experienced two cases of thoracic oesophageal gunshot injury, both of whom were treated by primary repair and were successfully discharged. Decision-making strategies should be based on the patient's physiologic reserve, experience of the attending surgical team, and ancillary services available at the facility.