| CT | Computer Tomography |
| FNAC | Fine-Needle Aspiration Cytology |
| IgG4-RD | Immunoglobulin-Related Disease |
| KT | Kuttner’s Tumour |
| MEDLINE | Medical Literature Analysis and Retrieval System Online |
| MRI | Magnetic Resonance Imaging |
| RCD | Revised Comprehensive Diagnostic |
| SMG | Submandibular Gland |
| UK | United Kingdom |
| N/A | Not Applicable |