Pathology of asbestosis- An update of the diagnostic criteria: Report of the asbestosis committee of the college of american pathologists and pulmonary pathology society.

Unlabelled: Asbestosis is defined as diffuse pulmonary fibrosis caused by the inhalation of excessive amounts of asbestos fibers. Pathologically, both pulmonary fibrosis of a particular pattern and evidence of excess asbestos in the lungs must be present. Clinically, the disease usually progresses slowly, with a typical latent period of more than 20 years from first exposure to onset of symptoms.

Pulmonary veno-occlusive disease and pulmonary capillary hemangiomatosis: a clinicopathologic study of 35 cases.

Pulmonary veno-occlusive disease (PVOD) and pulmonary capillary hemangiomatosis (PCH) are rare causes of pulmonary hypertension, regarded by some as distinct entities. However, their presentations are similar and both are associated with poor prognoses. We therefore reviewed 38 specimens [autopsies (n=15), surgical biopsies (n=15), explants (n=7), and pneumonectomy (1 case)] from 35 patients diagnosed as either PVOD (n=30; av.

An assessment of the expanded classification of congenital cystic adenomatoid malformations and their relationship to malignant transformation.

The purpose of this study was to review cases of congenital cystic adenomatoid malformations (CCAMs) arising in children and adults, in order to assess the recently expanded classification system for these lesions and their association with malignant transformation. Of 28 CCAMs, there were 16 type 1, 4 type 2, and 8 type 4 lesions, 12 of which presented in adults. Five of 16 type 1 CCAMs were accompanied by microscopic foci of bronchioloalveolar carcinoma; two others showed focal mucous cell hyperplasia.