Elevated exhaled nitric oxide in anaphylaxis with respiratory symptoms.

Background: Anaphylaxis is a serious type I allergic reaction that occurs suddenly and can result in death, but it is sometimes difficult to differentiate from other diseases, and physicians must rely on symptoms alone for its diagnosis. Meanwhile, fractional exhaled nitric oxide (FeNO) concentration, used in assessing airway inflammation in bronchial asthma, is known to be affected by atopic disposition. The possible role of FeNO measurements was evaluated in patients with anaphylaxis.

[Clinical analysis of eight cases with pyothorax-associated lymphoma].

We retrospectively reviewed the medical records of eight patients (five males and three females, median age: 75.6) with pyothorax-associated lymphoma (PAL) from 1993 to 2007. All cases were histopathologically identified as diffuse large-B-cell lymphoma and had a history of artificial pneumothorax for the treatment of pulmonary tuberculosis.