膀胱低级别肌纤维母细胞性增生LGMP讨论病例【91360.软组织145】

就爱小小酥

赵小辉
病例分享第二十七例
膀胱切除术治疗复发性乳头状尿路上皮癌。





李海
sarcomatoid carcinoma with PMP/IMT

赵小辉
贴出原作者的考虑："post-operative spindle cell nodule"
many synonyms, including pseudosarcomatous myofibroblastic proliferation, inflammatory myofibroblastic tumor (IMT, often ALK+) 。much easier Dx on resection, can be treacherous on TURBT!IHCpath: common co-expression of SMA+keratin (caution with keratin+!)。top DDx: sarcomatoid urothelial carcinoma, leiomyosarcoma, rhabdomyosarcoma (esp in kids)。王坚教授第二版软组织肿瘤病理学里称膀胱低级别肌纤维母细胞性增生LGMP

注：病例来自网络，版权归原作者仅供学习。