Pulmonary puzzle
ANSWER
From the question on page 492.
Macroscopic findings favoured a diagnosis of mesothelioma. Microscopy revealed instead that the pleural thickening comprised fibrosis within which abundant CD68-positive histiocytes and Touton-type giant cells were present, these staining with S-100 but not CD1a. There was also microscopic involvement of the lung along the distribution of …









