ANAs	Antinuclear Antibodies
AS	Ankylosing Spondylitis
ATRA	All-Trans Retinoic Acid
CHC	Chronic Hyperplastic Candidiasis
CMC	Chronic Mucocutaneous Candidiasis
COVID-19	Coronavirus Disease
cGVHD	Chronic Graft Versus Host Disease
DIF	Direct Immunofluorescence
EBER	Epstein–Barr Virus-encoded small RNA
EBV	Epstein–Barr Virus
EEM	Erythema Exudativum Multiforme
ELISA	Enzyme-Linked Immunosorbent Assay
ENAs	Extractable Nuclear Antigens
FDA	Food and Drug Administration
GERD	Gastro-Oesophageal Reflux Disease
HIV	Human Immunodeficiency Virus
IBD	Inflammatory Bowel Disease
IL-17	Interleukin 17
IL-17A	Interleukin 17-A
IL-23	Interleukin 23
LE	Lupus Erythematosus
MRONJ	Medication-Related Osteonecrosis of the Jaw
MS	Multiple Sclerosis
NHL	Non-Hodgkin Lymphoma
OLDR	Oral Lichenoid Drug Reaction
OLP	Oral Lichen Planus
OLR	Oral Lichenoid Reaction
OPMD	Oral Potentially Malignant Disorder
PAS	Periodic Acid-Schiff
PCI	Percutaneous Coronary Intervention
PHD	Histopathological Diagnosis
PRISMA	Preferred Reporting Items for Systematic Reviews and Meta-Analyses
PsA	Psoriatic Arthritis
PsO	Psoriasis
QoL	Quality of Life
RA	Rheumatoid Arthritis
SEC	Secukinumab
TNF-α	Tumour Necrosis Factor-α
WHO	World Health Organization