Quik Case 8

Causes of pleural thickening:

1- Benign: Less than 1 cm with flat and focal appearance.

2-Malignant: More than 1 cm with nodular; lobulated and circumferential thickness.

3-The above mentioned four features if you have one of them considered pleural thickening of neoplastic origin.

4- Causes of malignant pleural thickening:

-Metastases.
-Thymoma gives drop metastases to pleura.
-Lymphoma.
-Mesothelioma.

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