3.

胸膜肿瘤的组织学检查和胸水脱落细胞学检查。A：胸膜上的肿瘤组织行HE染色，提示肿瘤由腺癌细胞构成；B：肿瘤侵润壁层胸膜；C：胸水涂片用改良型吉姆萨染色行脱落细胞检查，提示LLC细胞核大、深染（×200）。

Histology of pleural tumors and cytology of malignant pleural effusions in nude mice. A: Section through a small parietal pleural Lewis lung cancer implantation stained with hematoxylin and eosin shows that pleural tumors consisted of adenocarcinomatous cells; B: Tumors grew on the pleural surface. C: Representative photomicrograph of a cytospin from several specimens of malignant pleural effusion stained with modified Wright's-Giemsa stain, LLC cells with large nuclei and visible nucleoli (arrow)(×200).