Background: Dieulafoy’s lesion is a dilated, aberrant, submucosal vessel that erodes the overlying epithelium without obvious ulceration. Dieulafoy's lesion is a rare disease, meanwhile the lesion secondary to resection of lung cancer is even extremely rare. It is most commonly located in the lesser curvature of the stomach but rarely occurrences in extragastric sites have also been reported. To summarize the key points in the diagnosis and treatments of this disease, we present a clinical case of acute gastrointestinal bleeding due to Dieulafoy's lesion in the gaster secondary to resection of lung cancer.Case presentation: An 58-year-old woman presented with a clinical condition of haematemesis and haematochezia associated with anaemia and haemodynamic instability, needing blood transfusion. After many changes of body position, when the patient was in prone position, we finally found jet bleeding on the gastric body near the great curvature of gastric fundus under gastroscopy, and then we performed successfully with hemostatic clip placement. Hospitalization occurred without further com plications. There was no recurrence after 18 months follow-up.Conclusion: It is essential to be aware of this lesion as a possible cause of gastrointestinal bleeding and especially thoracic postoperative acute gastrointestinal appears. Timely and effective endoscopy can improve the diagnosis rate of these lesions and reduce the related mortality. At the same time, we need to pay attention to the patients with the risk factors in the perioperative period to reduce the incidence of Dieulafoy's lesion.
Background: Adenocarcinoma is the most common primary lung malignant tumor. However, pulmonary carcinoid tumorlets are rare neuroendocrine tumors, and the coexistence of adenocarcinoma and pulmonary carcinoid tumorlets is extremely rare. Herein, we describe a case of lung adenocarcinoma complicated with carcinoid tumorlets.Case presentation: A 71-year-old female patient was admitted to the hospital after physical examination, multiple micronodules were in the inferior lobe of the left lung and right lung for 2 years, and a tumor was in the superior lobe of the left lung for 1 month. The patient underwent resection of the superior lobe of the left lung and wedge resection of the inferior lobe of the left lung by Video-assisted Thoracoscopic Surgery(VATS). The pathology of the superior lobe of the left lung was adenocarcinoma (pathological stage pT1cN0M0, IA3 stage), and the pathology of the inferior lobe of the left lung was carcinoid tumorlets. The patient was discharged from the hospital one week after the operation and recovered well after follow-up without recurrence.Conclusions: The lack of understanding of carcinoid tumorlets in the clinic causes their misdiagnosis or missed diagnosis. At the same time, the lack of understand also suggests that we should pay attention not only to mass-type lung tumors but also to pulmonary micronodules.
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