| AE1/3 | Pancytokeratin |
| AR | Androgen receptor |
| CC.Y. | Chit Cheng Yeoh |
| CK | Creatine kinase |
| CRS | Endometrial Stromal Sarcoma |
| DFS | Dermatofibrosarcoma protuberans |
| EMA | Epithelial membrane antigen |
| ER | Oestrogen receptor |
| ERα | Oestrogen receptor alpha |
| ERβ | Oestrogen receptor beta |
| ESN | Endometrial Stromal Nodule |
| EST | Endometrial stromal tumours |
| EST-LI | EST with limited infiltration |
| FIGO | International Federation of Gynecology and Obstetrics |
| FOXL2 | Forkhead box protein L2 |
| GnRH-R | Gonadotropin-releasing hormone receptor |
| HG-ESS | High-Grade Endometrial Stromal Sarcoma |
| HPF | High-power field |
| I.A. | Iolia Akaev |
| IFITM1 | Interferon-induced transmembrane protein-1 |
| INI-1 | SMARCB1, hSNF5, BAF47 |
| ITD | Internal Tandem Duplication |
| LEF1 | Lymphoid Enhancer-binding Factor 1 |
| LG-ESS | Low-Grade Endometrial Stromal Sarcoma |
| LVIS | Lymphovascular invasion |
| MDM2 | E3 ubiquitin-protein ligase Mdm2 |
| myo-D1 | Myoblast determination protein 1 |
| NGS | Next Generation Sequencing |
| NOS | Not Otherwise Specified |
| NTRK | Neurotrophic receptor tyrosine kinase |
| PECOMA | Perivascular epithelioid cell tumour |
| PR | Progesterone receptor |
| RNA | Ribonucleic acid |
| S.R. | Siavash Rahimi |
| SMA | Smooth muscle actin |
| SOX-10 | Transcription factor SOX-10 |
| STAT6 | Signal transducer and activator of transcription 6 |
| TLE1 | Transducin-like enhancer protein 1 |
| UTROSCT | Uterine tumours resembling ovarian sex-cord tumour |
| UUS | Undifferentiated Uterine Sarcoma |
| WHO | World Health Organisation |
| WT1 | Wilms tumour 1 |