TORS	Transoral Robotic Surgery
PRISMA	Preferred Reporting Items for Systematic Reviews and Meta-Analyses
BOT	Base Of Tongue
OSA	Obstructive Sleep Apnea
LTGDC	Lingual Thyroglossal Duct Cyst
TBR	Tongue Base Reduction
TLM	Transoral Laser Microsurgery
FAMM	Facial Artery Musculomucosal Flap
SD	Standard Deviation
n.a.	Not Available