While in training and working in the NHS hospitals in UK, participated in audits according to the guidelines set out by Royal College of Surgeons.
Presented the audit findings in the local and regional audit meetings. Some of the audit topics include.
- Advanced Sinus Carcinoma Mistaken for A Malignant Glioma
Dr.N. Agarwal, Mr. Chokkalingam, Mr.R.D.R. McRae: The Internet Journal of Otorhinolaryngoly, 2005
- Elongated Styloid Process: A Rare Presentation as A Tonsillar Mass
Ravi Sachidananda, Chokkalingam, Siddique, McRae: The internet Journal of Otolaryngology, 2006
- Can’t Ventilate, Can’t Intubate Situation Due to Upper Airway Bleeding
C Janarthanan, P.Chokkalingam, G Timmins, Annual Meeting-Scientific Programme and Abstracts, October 2006
- Advice Given to Women Who Are Prescribed Antibiotics While Taking the Oral Contraceptive Pill
John Phillips, Perumal Chokkalingam, Don McFerran: Clinical Risk, July 2007
- Chondrosarcoma of The Greater Cornu of the Hyoid: A Case Report and Literature Review
S. Verma, P. Chokkalingam, R.D.R. McRae: Ear, Nose & Throat Journal October 2008
- 6. Trans fistula Endoscopic Closure of Fronto-Cutaneous Fistula: A Novel Approach
Perumal Chokkalingam, Ravi Sachidananda, Sanjay Verma, Arcot Maheshwar, Duncan McRae: Ear, Nose & Throat Journal, January 2009
- 7. Piercing Associated Perichondritis of the Pinna: Are We Treating It correctly
Liu ZW, Chokkalingam P, Journal of Laryngology and Otology, May 2013
- 8. Nasal Chondromesenchymal Hamartoma (NCMH): A Systemic Review of the Literature with A New Case Report
Katrina Mason, Annakan Navaratnam, Evgenia Theodorakopoulou, Perumal Chokkalingam, Journal Otolaryngology – Head & Neck Surgery, July 2015
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