Unknown Case - May, 2009

Following are seven images with unknown diagnosis. Use your ThinPrep® diagnostic skills to identify this disorder. After you've studied the slides, scroll to the bottom and click on the Book of Answers to display the diagnosis.

Patient information: Female, age 79

Clinical history: History of reflux/hiatal hernia. Bilateral nodular interstitial opacities of unclear etiology.

Specimen type: Bronchoalveolar Lavage , Thinprep®