Case Series

Primary Signet Ring Cell/Histiocytoid Carcinoma of the Eyelid: Clinicopathologic Analysis with Evaluation of the E-Cadherin/β-Catenin Complex and Associated Genetic Alterations

Table 3

Summary of somatic mutations of cases 2 and 4.

GeneStandardized Nomenclature (HGVS)LocationDNA changeProtein changedbSNP IDCosmic ID

Case 2
PIK3CANM_006218.2(PIK3CA):c.1633G>Ap.E545K
(VAF: 13.6%)
Exon 10SNVMissensers104886003COSM763
PIK3CANM_006218.2(PIK3CA):c.3132T>Ap.N1044K
(VAF: 14.7%)
Exon 21SNVMissenseCOSM12592
CDH1NM_004360.3(CHD1):C.1991_1992InsTAp.K664fs
(VAF: 28.8%)
Exon 13InsertionFrameshift

Case 4
PIK3CANM_006218.2(PIK3CA):c.3140A>G p.H1047R
(MAF: 14%)
Exon 21SNVMissensers121913279COSM775
TP53NM_000546.5(TP53):c.775G>T p.D259Y
(MAF: 16%)
Exon 7SNVMissenseCOSM11552