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Dr Crystal Cheong

Photo of Dr Crystal Cheong
  • Consultant, Department of Otolaryngology - Head & Neck Surgery (ENT), National University Hospital
MBBS(Monash), MRCS(Edin), MMed(ORL), FAMS(ORL)
Otolaryngology - Head & Neck Surgery (ENT)
Sleep Surgery
Special Interests:
General Ear, Nose and Throat conditions , Snoring and obstructive sleep apnoea


Dr Crystal Cheong graduated from Monash University, Australia, and proceeded on to pursue her passion for Otolaryngology by qualifying to be a Member of the Royal College of Surgeons (Edinburgh) in 2011 and obtaining her Master of Medicine (Otolaryngology) in 2014.

In 2012, Dr Cheong joined the residency training with the National University Health System, Singapore. She was later appointed to an Associate Consultant in the Department of Otolaryngology – Head & Neck Surgery, National University Hospital after the completion of her residency training. While Dr Cheong specialises in general Ear, Nose and Throat conditions, her special interest lies in snoring and obstructive sleep apnoea. Dr Cheong also enjoys teaching and is a clinical lecturer with the Yong Loo Lin School of Medicine, National University of Singapore.

Journals & Publications

  1. ​Cheong CS, Tan LM, Ngo RY. Clinical audit of the microbiology of otorrhoea referred to a tertiary hospital in Singapore. Singapore Med J. 2012 Apr;53(4):244-8. PMID: 22511046
  2. Kwon Y, Logan J, Pusalavidyasagar S, Kasai T, Cheong CS, Lee CH. Sleep Apnea and Heart . Sleep Med Res. 2019 Dec;10(2):67-74. doi: 10.17241/smr.2019.00493. Epub 2019 Dec 31. PMID: 32699652 
  3. Cheong CS, Loke W, Thong MKT, Toh ST, Lee CH. The Emerging Role of Drug-Induced Sleep Endoscopy in the Management of Obstructive Sleep Apnea. Clin Exp Otorhinolaryngol. 2020 Oct 16. doi: 10.21053/ceo.2020.01704. Online ahead of print. PMID: 3309231
  4. Ng JH, Ho RC, Cheong CS, Ng A, Yuen HW, Ngo RY. Intratympanic steroids as a salvage treatment for sudden sensorineural hearing loss? A meta-analysis. Eur Arch Otorhinolaryngol. 2015 Oct;272(10):2777-82. doi: 10.1007/s00405-014-3288-8. Epub 2014 Sep 13. PMID: 25217083
  5. Cheong CS, Aung AT, Wong RC, Yeo TJ, Chan SP, Lee CH. Obstructive sleep apnea during acute coronary syndrome is related to myocardial necrosis and wall stress. Sleep Med. 2021 Mar;79:79-82. doi: 10.1016/j.sleep.2021.01.006. Epub 2021 Jan 6. PMID: 33482456
  6. Teo JY, Cheong CS, Wong CY. Low local recurrence rates in young Asian patients with phyllodes tumours: less is more. ANZ J Surg. 2012 May;82(5):325-8. doi: 10.1111/j.1445-2197.2012.06045.x. Epub 2012 Mar 27. PMID: 22507352
  7. Pek CH, Cheong CS, Yap YL, Doggett S, Lim TC, Ong WC, Lim J. Rare Cause of Facial Palsy: Case Report of Tick Paralysis by Ixodes Holocyclus Imported by a Patient Travelling into Singapore from Australia. J Emerg Med. 2016 Nov;51(5):e109-e114. doi: 10.1016/j.jemermed.2016.02.031. Epub 2016 Sep 9. PMID: 27618477

Professional Memberships

​Academy of Medicine (Otorhinolaryngology)