39. Mesothelioma Flashcards Preview

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Flashcards in 39. Mesothelioma Deck (9):
1

mesothelioma

malignancy of the pleura

2

mesothelioma is associated with

asbestosis

3

mesothelioma may result in

1. hemorrhagic pleural effusion ( exudative)
2. pleural thickeninh

4

mesothelioma - risk factors

asbestosis
smoking is not a risk factor

5

mesothelioma - histology

- psammoma bodies
-calretin and cytokeratin (+) in almost all mesotheliomas ((-) in most carcinomas)

6

A psammoma body is

round collection of calcium

7

• A roofer who smokes is noted to have hemorrhagic pleural effusions and pleural thickening. Is his smoking to blame?


Not likely, as this is mesothelioma secondary to asbestosis, for which smoking is not a risk factor

8

• A roofer is noted to have pleural thickening and a biopsy of the lesion is performed. What would it show on histology?

Psammoma bodies on histology (this patient has mesothelioma)

9

• A plumber has chest pain and dyspnea. Histology shows psammoma bodies. What kind of pleural effusion is associated with his condition?

Pleural effusion is exudative (this patient has mesothelioma from asbestos exposure