Ki 67

Ki 67

Nuclear antigen that detects cells in synthesis phase; predicts proliferative activity of tumors through the immunoperoxidase method.
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The histopathologic report in our case revealed Ki 67 - 2% and confirmed low-malignancy of this tumor.
Relacion entre la supervivencia global y clase Luminal B segun el porcentaje de expresion de Ki 67 con un indice proliferativo con punto de corte en: (A) 25%, (B) 14% y (C) segun la expresion de HER2, (D) segun la expresion de marcadores de tipo basal.
3, LDH, PSA (Total and Free), NSE , A, Flow Cytometry: CD 2, 3, 5, 7,10,11C, 13, 14, 15,19, 20, 22, 23, 25, 33, 34, 36, 38, 45, 61, 79, 103, 117, 123, 138, Immunohistochemistry Panels: Pancytokeratin, Desmin, EMA, S100, Vimentin, GFAP, NSE, CathepsinD, ER, PR, Her2 neu, P53, PS2, Ki 67, Actin, lamda light chains, kappa light chains, ALK1, Hormonal Assay: Prolactin, GH, FSH, ACTH, Calcitonin, EGFR Mutation Analysis, KRAS Mutation Analysis, NRAS Mutation Analysis, BRAF Mutation Analysis, PIK3CA Mutation Analysis, Circulating tumor cells for Breast Cancer, Colorectal Cancer, Prostate Cancer, Plasma Catecholamines, Urine (24hrs) VMA, Catecholamines, 5 HIAA, Metanephrines, HVA, Fish Her 2/neu, EGFR, ALK1, ROS1 for Department of Paediatric Medicine.
Then the positive cases [Either pre-invasive or invasive] were subjected to immunohistochemistry with pl6INK4 and Ki 67 to correlate the HPV [Human Papilloma virus] infection.
El informe anatomopatologico fue de tumor neuroendocrino ileal carcinoide, con estudio por inmunohistoquimica con cromogranina positivo (figura 1C) e indice de proliferacion Ki 67 calculado hasta 3%.
El Ki 67 es una proteina nuclear grande (350 KDa) que esta estrechamente relacionada con el nucleolo y heterocromatina, la cual parece estar involucrada en la regulacion del ciclo celular y/u organizacion del nucleolo.
Ki 67 expresssion can be used as a potential marker in the grading criteria of MEC and its positive expression correlates with increasing histological grade and poor prognosis.
Co-expression of p53 and Ki 67 and lack of EBV expression in oral squamous cell carcinoma.
22 Number Ki 67 Significance Dysplasia * Normal epithelium 10 6.
IHC - Chromogranin positive, Synaptophysin > 3%, Ki 67 > 3 % CK - strongly positive.
Markers ki 67(fig 3a) and synaptophysin done (fig 3b); (4) confirmed by ki 67 index > 8% (Weiss system).
IHC: IHC of the tumor showed strong positivity for calretinin and inhibin suggesting adrenocortical origin and strong positivity for cytokeratin, weak positivity of vimentin and low Ki 67 labeling index suggests an adenoma (Figure 3).