34βE12	High-molecular weight cytokeratin antibody (Clone 34βE12)
AE1/AE3	Pan-cytokeratin antibody cocktail AE1/AE3
ANOVA	Analysis of variance
AZ	Arizona
CATs	Cutaneous Adnexal Tumours
CD117	Cluster of differentiation 117 (c-KIT)
CI	Confidence interval
CK7	Cytokeratin 7
COVID-19	Coronavirus disease 2019
CTK	Cytokeratin
DAB	3,3′-Diaminobenzidine
EMA	Epithelial membrane antigen
ER	Estrogenic receptor
H&E	Haematoxylin&eosin
HMW	High-molecular weight
HPF	High-power field
IHC	Immunohistochemistry
IQR	Interquartile range
Ki-67	Ki-67 proliferation index
MSO	Microsoft office
NOS	Not otherwise specified
PRAME	Preferentially expressed antigen in melanoma
Q1	First quartile
Q3	Third quartile
Q-Q Plot	Quantile–quantile plot
SD	Standard deviation
SOX10	SRY-box transcription factor 10
USA	United States of America
WHO	World Health Organization