Clinicopathological findings of four cases of pure influenza virus A pneumonia.

Objective: The purpose of this study was to perform clinicopathological evaluations of patients with pure influenza A virus pneumonia.

Methods: We performed clinicopathological analyses of four cases of pure influenza A virus pneumonia. Patients Among the four cases, three were caused by the pandemic (H1N1) 2009 virus.

Immunohistochemical findings of an autopsied lung specimen from a patient with pandemic influenza (A/H1N1pdm) virus infection.

A 24-year-old female presented with fever and dry cough. Influenza A virus infection was suspected and the patient was treated with neuraminidase inhibitors. Five days after diagnosis, the patient developed persistent fever and dyspnea, and was diagnosed with severe pneumonia.

A case of afebrile miliary tuberculosis that progressed from tuberculous spondylitis with iliopsoas abscess.

We present a case of a 78-year-old woman who visited our hospital for chronic atrial fibrillation. She consulted an orthopedic surgeon for lumbar pain in August 2009 and has been followed up for osteoporosis. However, her lumbar pain became exacerbated.

A rare association of primary biliary cirrhosis and pernicious anemia.

Primary biliary cirrhosis is often associated with autoimmune diseases. However, an association between primary biliary cirrhosis and pernicious anemia has rarely been reported. We report a patient with primary biliary cirrhosis associated with pernicious anemia and autoimmune gastritis.