ABSTRACT

Lymph Nodes ............................................................................................................ 365 7.9.2 Adenomatoid Tumors ................................................................................................366 7.9.3 Well-Differentiated Papillary Mesothelioma ........................................................... 367 7.9.4 Noninvasive Atypical Mesothelial Cell Proliferation ............................................... 367 7.9.5 Small Cell Mesothelioma ......................................................................................... 369 7.9.6 Deciduoid Mesothelioma .......................................................................................... 372 7.9.7 Mucin-Positive Epithelial Mesothelioma .................................................................. 372 7.9.8 Gaucher Cell-Like Mesothelioma ............................................................................. 373 7.9.9 Desmoplastic/Sarcomatoid Mesothelioma of the Pleura and Its Distinction

from Benign Fibrous Pleuritis .................................................................................. 376 7.9.10 Lymphohistiocytoid Mesothelioma .......................................................................... 378 7.9.11 Pleomorphic Mesothelioma ...................................................................................... 382 7.9.12 Localized Malignant Mesothelioma ......................................................................... 385

7.10 Clinical Features of Mesothelioma ....................................................................................... 386 7.10.1 Pleural Mesothelioma ............................................................................................... 386 7.10.2 Peritoneal Mesothelioma .......................................................................................... 386 7.10.3 Pericardial Mesothelioma ......................................................................................... 387 7.10.4 Ovarian Mesothelioma ............................................................................................. 387 7.10.5 Mesothelioma of the Tunica Vaginalis ..................................................................... 387

7.11 Approach to the Diagnosis.................................................................................................... 387 7.11.1 Reactive Mesothelial Cells versus Neoplastic Mesothelial Cells ............................. 388 7.11.2 Immunohistochemistry ............................................................................................. 388

7.11.2.1 Markers for Differentiating between Epithelioid Pleural Mesothelioma and Lung Adenocarcinoma ................................................ 389

7.11.2.2 Markers for Differentiating between Epithelioid Pleural Mesothelioma and Squamous Cell Carcinoma of the Lung ...................... 389

7.11.2.3 Markers for Differentiating between Epithelioid Pleural Mesothelioma and Renal Cell Carcinoma .................................................390