2023年7月26日 · E. SMARCA4 / BRG1. SCCOHT is molecularly defined by inactivating SMARCA4 mutations, which are associated with SMARCA4 / BRG1 nuclear loss of expression. The other options are in other entities such as mesothelioma (BAP1 loss of expression), malignant Brenner tumor (MDM2 overexpression), ovarian undifferentiated and …

2021年4月27日 · SMARCA4 (BRG1), SMARCA2 (BRM) or SMARCB1 (INI1) aberrant loss (Dis Esophagus 2009;22:1, Am J Surg Pathol 2021;45:414) Sample pathology report Esophagus, biopsy:

O-Z: perivascular epithelioid cell tumor (PEComa) POLE ultramutated endometrial carcinoma progestin therapy related changes serous carcinoma SMARCA4 deficient uterine sarcoma smooth muscle tumors of uncertain malignant potential staging-carcinoma and carcinosarcoma staging-sarcoma undifferentiated / dedifferentiated carcinoma (endometrium ...

2023年2月27日 · SMARCA4 loss of function: 5% (Ann Diagn Pathol 2017;26:47) Molecular / cytogenetics images. Contributed by ...

SMARCA4 deficient undifferentiated tumor: Focal rhabdoid morphology Loss of SMARCA4 (BRG1) Large B cell lymphoma / primary mediastinal large B cell lymphoma: Discohesive tumor cells Characteristic immunoprofile

2023年8月8日 · Squamous cell carcinoma is a malignant tumor arising from epithelial cells with squamous differentiation demonstrated either immunohistochemically or morphologically, with the presence of keratinization or intercellular bridges

2024年2月6日 · 4 genetically defined groups and 4 histologically defined groups (Nature 2017;547:311) Genetically defined: (a) WNT (for wingless integration site) activated, (b) SHH (sonic hedgehog) activated (either TP53 mutant or TP53 wild type), non-WNT / non-SHH, either (c) medulloblastoma group 3 or (d) medulloblastoma group 4 (Nature 2017;547:311)

2024年6月13日 · NUT carcinoma and SMARCA4 deficient thoracic tumors: Features favoring NUT carcinoma and SMARCA4 deficient thoracic tumors: high N:C ratio, focal abrupt keratinization Merkel cell carcinoma: Indistinguishable from small cell lung carcinoma on cytopathology; clinical correlation and ICC is required For large cell neuroendocrine carcinoma:

Soft tissue: AE1 / AE3 ALK1 caldesmon CAMTA1 CCNB3 (pending) CD31 CD34 CD99 CDK4 D2-40 DDIT3 (pending) desmin DOG1 DUX4 EBER EMA ERG factor XIIIa FLI1 FOSB (pending) GLUT1 H3K27me3 HHV8 / LANA1 HMB45 c-kit / CD117 MDM2 MelanA MUC4 MYOD1 myogenin NKX2.2 (pending) NR4A3 (pending) pan-TRK PROX1 (pending) RB1 S100 SDHB …

2022年6月1日 · SMARCB1 (switch / sucrose non fermentable [SWI / SNF] related, matrix associated, actin dependent regulator of chromatin subfamily B member 1) is located on chromosome 22q11.2 and encodes a core subunit of the adenosine triphosphate (ATP) dependent SWI / SNF chromatin remodeling complex, which is actively involved in the …