high grade mixed tumor of fallopian tube: … · hcg . hpl . hgspc/undiff. ca ft with...
TRANSCRIPT
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HIGH GRADE MIXED TUMOR OF FALLOPIAN TUBE: DIFFERENTIAL DIAGNOSIS
Giant Cell Carcinoma
Spindled Wolffian-like Ca of FT
Biphasic (1) MMMT
Biphasic (2) HGSPC + UC
Biphasic (3) HGSPC + 'dedifferentiated' tumor
METASTASIS
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(De)differention in Mullerian Tumors: 1. High Grade Surface Epithelial Carcinoma (HGSEC) -
---- undifferentiated/anaplastic Ca (solid epithelioid, 'lymphoma-like', or pleomorphic with patchy keratin expression)
2. HGSEC ------ high grade sarcoma (homologous, heterologous) (o/g by sarcoma (loss of biphasic growth), lack epithelial markers)
3. HGSEC ------- germ cell neoplasia (EST, CC)
(HCG,HPL,PLAP,D2-40,c-kit, OCT3/4, AFP)
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ER (HGSPC)
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p53 (HGSPC)
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P16 (HGSPC)
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Ae1/Ae3
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HCG
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HPL
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HGSPC/UNDIFF. Ca FT with (De)differentiation to Choriocarcinoma Choriocarcinoma (CC) (the '3rd pathway')
1. Gestational CC
2. Germ Cell Neoplasia (extraembryonic diff)
3. Somatic Cell Dedifferentiation
(1) Wakahashi et al. J Cancer. 2012;3:14-8. Endometrioid adenocarcinoma with high-grade transformation with serous and choriocarcinomatous differentiation.
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Gynecologic Pathology [skm/VCjan2016]
CASE IV
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