[Superior vena cava thrombosis in a case with low serum factor XII].

The present case is 74 years old man who was hospitalized to treat lung tumor suspected of malignancy. Because the superior vena cava thrombus was also revealed by radiological examination, he was performed lobectomy and thrombectomy at the same time. He has past history of intravenous hyperalimentation for 15 days, and we supposed the event to be the cause of the thrombus.

[Clinical study of forty-two patients who underwent resection for pulmonary adenosquamous carcinoma].

Pulmonary adenosquamous carcinoma is a rare malignant tumor as defined by the Japan Lung Cancer Society Classification. At our institution, of the 1,023 patients who underwent resection for primary lung cancer, 42 (4.0%) had adenosquamous carcinoma.

Lymphatic vessel invasion is a significant prognostic indicator in stage IA lung adenocarcinoma.

Background: A radical resection is considered to be the most effective treatment for resectable non-small cell lung cancer. However, even when resected in early stages (T1aN0, T1bN0) up to 20% of patients will experience recurrence. The aim of this retrospective study was to evaluate the prognostic influence of lymphatic vessel invasion (LVI) in stage IA adenocarcinoma patients.

[Sudden death due to massive pulmonary thromboembolism after pneumonectomy; report of a case].

A 76-year-old woman underwent a left pneumonectomy for a primary adenocarcinoma. On the fourth postoperative day, when walking to the toilet, she suddenly developed syncope followed by dyspnea and cardiopulmonary arrest. Although we performed cardiopulmonary resusciation, she died 1 hour later.

[Solitary papilloma of the lung; report of a case].

A 66-year-old woman admitted our hospital due to an abnormal shadow in the right lung field on a routine chest X-ray film. Preoperative diagnosis was not made, we didn't have correct diagnosis of benign or malignancy by intraoperative frozen-section specimen, so segmentectomy without lymph nodes dissection was performed. The histopathological diagnosis was glandular papilloma.

Spontaneous parathyroid adenoma hemorrhage.

We report a case of spontaneous parathyroid adenoma hemorrhage. A 50-year-old man with a sore throat, and swelling and ecchymosis of the entire anterior neck was found in cervical and chest computed tomography revealed to have a low-density area extending from the parapharyngeal region to below the carina, Suspecting descending necrotizing mediastinitis secondary to a peritonsillar abscess, we conducted mediastinal and cervical drainage, but found no abscess. No evidence was found, either, in bacteriological culture of sputum and pleural effusion.

[Occluding spiral embolus for treatment of refractory pulmonary fistula].

A 57-year-old man was admitted for pulmonary emphysema. Volume-reduction-surgery (VRS) was performed. Three days later, after he coughed hard, the right lung collapsed.