heng yao tan, siti hajar sanudin, sai guan lum, eugene hung chih wong.  (2021).  an unusual first presentation of hypopharyngeal carcinoma as thyroid abscess: case report of a diagnostic challenge.  - international journal of surgery case reports.  1-3. 

rebecca wilfred, hardip singh gendeh, sai guan lum, marina mat baki, mohd razif mohamad yunus.  (2021).  hidden parapharyngeal extracranial psammomatous meningioma: a diagnostic and surgical dilemma.  - the medical journal of malaysia.  56. 

koh wei jie, lum sai guan, syarifah nafisah al-yahya, jothi shanmuganathan.  (2021).  extraluminal migration of ingested fish bone in the upper aerodigestive tract: a series of three cases with broad clinical spectrum of manifestations and outcomes.  - international journal of surgery case reports.  1-5. 

cheah siew chung, lum sai guan, shamina sara moses, wong chun yiing.  (2021).  pectoralis major myocutaneous flap in head and neck reconstruction by otorhinolaryngology surgeon: our experience and its outcome.  - medical journal of malaysia.  12. 

lum sai guan, tey kai jun, mawaddah azman, marina mat baki.  (2021).  primary laryngeal tuberculosis manifested as unilateral irregular vocal fold lesion.  - medical journal of malaysia.  63. 

lum sai guan, nurhamizah mahmud, nurismah isa, marina mat baki.  (2020).  concurrent double primary tumours: papillary thyroid carcinoma and cervical epithelioid angiosarcoma.  - medeniyet medical journal.  349-355. 

danny kit chung wong, hardip singh gendeh, how kit thong, sai guan lum, balwant singh gendeh, aminuddin saim, salina husain.  (2020).  a review of smell and taste dysfunction in covid-19 patients.  - medical journal of malaysia.  574-681. 

mawaddah azman, hardip singh gendeh, sai guan lum, marina mat baki.  (2020).  upper respiratory tract sampling in covid-19.  - malaysian journal of pathology.  23-35. 

lum sai-guan, salina husain, farah-dayana zahedi, norfazilah ahmad, balwant-singh gendeh.  (2020).  cultural adaptation of sniffin' sticks smell identification test: the malaysian version.  - iranian journal of otorhinolaryngology.  213-222.