[A case of pulmonary epithelioid hemangioendothelioma that required differentiation from malignant mesothelioma].

A 77-year-old woman presented with a 3-month history of right chest pain and a low-grade fever. Right pleural effusion had been detected at another hospital. Her chest CT scan revealed right pleural effusion, right pleural thickening, and bilateral multiple lung nodules.

[A case of Hodgkin's lymphoma in a patient with sarcoidosis].

A 61-year-old woman was admitted to our hospital for examination of an abnormal shadow on her chest X-ray film taken in October 2006. Chest CT film taken in November 2006 revealed lymphadenopathy in the left side of the neck, as well as in the supraclavicular, axillary, mediastinal, and hilar areas, as well as around the pancreas. Diffuse small nodules were seen along the bronchovascular bundles and interlobular pleura.

[Case of multiple pulmonary arteriovenous fistulas detected during treatment for severe pneumonia].

A 55-year-old woman who developed severe hypoxemia associated with severe pneumonia was admitted to our hospital for mechanical ventilation. She was treated with antibiotics under a diagnosis of mycoplasma pneumonia. Although most clinical findings improved, hypoxemia remained.

[A case of lung cancer with hyperthyroidism].

We here report a case of metastasis from lung cancer to the thyroid. On presentation, this patient showed painful anterior cervical swelling and right supraclavicular lymph node swelling. Laboratory data showed primary hyperthyroidism.

[A case of lung adenocarcinoma keeping complete remission by treatment with gefitinib].

A 74-year-old smoking man was admitted because of lung cancer with metastatic brain tumor. Examinations for lung cancer and brain tumor showed adenocarcinoma (clinical stage IV). Four courses of chemotherapy were not effective.