Transseptal repair of unilateral choanal atresia.

Unilateral choanal atresia is a congenital problem initially observed by the otolaryngologist as unilateral nasal obstruction. Elective surgical correction can be done using the transnasal, transpalatal, transantral, or transseptal techniques. Two patients underwent this procedure with the transseptal technique.

Unilateral polyposis and mucoceles in children.

Children presenting with unilateral opacification of one or more of the paranasal sinuses must be considered at risk for serious disease. If an expansile lesion is noted, the most likely diagnosis is that of mucocele. Six children are presented with such findings and the diagnosis and treatment discussed.

A common denominator in the etiology of adult respiratory distress syndrome.

The initiating factor in ARDS is a matter of controversy. Some investigators relate ARDS development to diffuse pulmonary microemboli after stress ranging from sepsis to non-thoracic and thoracic trauma. Others indicate hyperoxic exposure as the causative agent.