结肠肿瘤；血管侵犯；弹力纤维染色；预后。

Colon neoplasm; Venous invasion; Elastic tissue stain; Prognosis.

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目的：探讨显示皮肤活检组织中抗酸麻风杆菌、弹力纤维和细胞等组织成分的复合染色法。

Objective: To compare compound staining methods showing leprotic bacillus, elastic fibre and cell nucleus etc . in skin biopsy tissue.

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目的：寻找能显示皮肤组织黑素细胞与胶原纤维和弹力纤维的染色法。

Objective: To develop a compound staining method showing collagenic, elastic fibers and melanocyte in skin tissues.

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