Rapidly fatal Askin's tumor: a case report and literature review.

An 18-year-old male presented with a mass in the right anterior chest wall. Chest Computed tomography revealed a heterogenous mass of 19X13 cm in the right hemithorax with areas of necrosis. There was associated pleural effusion and infiltration of the soft parts of the chest wall.

[Mediastinitis caused by Klebsiella pneumoniae with a pharyngeal portal].

We report a case of Klebsiella pneumoniae medisatinitis secondary to a retrophyarygeal abscess in a 40-year-old patient. The patient was treated with antibiotics and pleural drainage. Surgery was not necessary and the clinical course was favorable.