The urethra dilatation catheter comprises an epitheca and a hole closing device arranged in the epitheca.
2
形成导管瘘者的，将与瘘管相连的扩张导管及周围腺体组织切除。
The involved lactiferous duct, the subareolar abscess were incised and all the encompassing inflammatory tissues were excised in patients with mammary duct fistula.
3
可见到囊性扩张导管、小叶区伴大量纤维结缔组织（硬化性腺病）增生、间质纤维化。
There are cystically dilated ducts, areas of lobules that are laced with abundant fibrous connective tissue (sclerosing adenosis), and stromal fibrosis.
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