Sabrina Ngaserin Ng Hui Na
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Dr Sabrina Ngaserin Ng Hui Na from Sengkang General Hospital

Asst Prof Sabrina Ngaserin Ng

MBBS (S’pore), MRCS (Edin), M Med (Surg), FRCS (Edin), FAMS


Sengkang General Hospital

Specialty: General Surgery

Sub-specialties: Breast Surgery, Oncoplastic Breast Surgery

Conditions Treated by this Doctor:
3D-breast Tomosynthesis, Atypical Hyperplasia, Benign Breast Change and Symptoms, Benign Breast Diseases, Benign Breast Neoplasms, Breast Cancer , Breast Cancer - Diagnosis to Treatment, Breast Cancer - Early Detection and Screening, Breast Cancer (Breast Health), Breast Clinical Assessment, Breast Infection, Breast Lumps, Breast Radiological Evaluation, Breast Reconstruction, Breast Screening – Self-Exam and Mammogram, Breast Surgery, Duct Ectasia, Early and Advanced Breast Cancer, Fibroadenoma, Fibrocystic Change, Gynaecomastia, Hereditary Breast Cancer Syndromes, High Risk Breast Changes, Intraductal Papillomas, Lobular Carcinoma in Situ, Malignant and Benign Breast Conditions, Mastitis.

Clinical Appointments

  • Consultant Department of General Surgery Sengkang General HospitalSengkang General Hospital
  • Consultant Breast Service Sengkang General HospitalSengkang General Hospital
  • Consultant SingHealth Duke-NUS Breast Centre


Dr Sabrina Ngaserin is a Consultant of Breast Service in the Department of Surgery, Sengkang General Hospital. She is also part of the SingHealth Duke-NUS Breast Centre.

Dr Ngaserin graduated from the Faculty of Medicine, National University of Singapore (NUS), and received her formal general surgery and initial breast subspecialist training in National University Hospital of Singapore (NUH). She completed her membership examination of the Royal College of Surgeons of Edinburgh (Surgery), and obtained Master of Medicine (Surgery) from the National University of Singapore. She is a Fellow of the Royal College of Surgeons of Edinburgh (General Surgery) and a Fellow of the Academy of Medicine of Singapore. She now practices at Sengkang Hospital's department of general surgery, subspecialising in breast and oncoplastic surgery.

Passionate in education and academic teaching, Dr Sabrina is Assistant Professor of Duke-NUS Post-graduate Medical School, Clinical Block Lead for Lee Kong Chian School of Medicine, Clinical Faculty with the Yong Loo Lin School of Medicine, National University of Singapore, and Physician Faculty with SingHealth Post-Graduate Year 1 (PGY1) Program and Singhealth Residency. Active in research, she has published scientific papers in peer-reviewed journals, and actively participates in local and international conferences and scientific meetings.

Her practice covers breast cancer screening and detection, benign breast diseases, breast cancer, surgical management and follow up. Experienced in a wide range of breast procedures, she performs breast biopsies, breast lump excisions, breast cancer surgeries such as breast conserving cancer surgery including that with intraoperative radiotherapy, oncoplastic breast surgery including mastopexy, mammoplasty, and intercostal artery perforator flaps, mastectomies including simple mastectomy, skin-sparing and nipple-sparing mastectomy and minimally invasive surgery for breast reconstruction, sentinel lymph node biopsy, and axillary clearance. She also performs endoscopy and general surgery operative procedures.

Dr Sabrina's main interest is in breast cancer therapy - she believes in meticulous diagnostic and therapeutic discussions, and creation of a personalised oncoplastic approach involving our multidisciplinary services, to guide each patient and their loved ones through their treatment journey and survivorship.


  • MBBS (S’pore)
  • MRCS (Edin)
  • M Med (Surg)
  • FRCS (Edin)
  • FAMS

Professional Appointments and Committee Memberships

  • Clinical Assistant Professor, Duke-NUS Medical School
  • Clinical Block Lead, Lee Kong Chian School of Medicine
  • Clinical Lecturer and Faculty, Yong Loo Lin School of Medicine, National University of Singapore
  • Physician Faculty, Singhealth Residency
  • Physician Faculty, SingHealth Post-Graduate Year 1 (PGY1) Program
  • Consultant, Breast Surgery, Singhealth Duke-NUS Breast Centre & General Surgery, Sengkang General Hospital
  • Fellow, Royal College of Surgeons of Edinburgh 
  • Fellow, Academy of Medicine, Singapore 


  • ​"You Sparkle!" Silver Award for service excellence, Sengkang General Hospital, Singapore, 2018
  • Human Manpower Development Plan (HMDP) Award, Sengkang General Hospital / Ministry of Health, Singapore, 2019

Research Interests


  • S Ngaserin, Tan BKT. Smoke evacuation in Endoscopic Breast Surgery can enhance operative visualization and respect surgical safety. Breast J 2020. [Published online ahead of print, 2020 May]. doi: 10.1111/tbj.13941

  • Ngaserin S, Chua HW, Chew MH, Tan BK. A tripartite approach can seek to optimize breast cancer management during a pandemic - Real-Time experience of a developing breast oncology unit in Singapore. [published online ahead of print, 2020 Jul 1]. Breast J. 2020;10.1111/tbj.13961. doi:10.1111/tbj.13961

  • Ngaserin S, V Shaw, Tan BK. Nipple Base Splitting Enucleation (NiBSE) can preserve cosmesis and nipple sensation for the complete excision of benign nipple lesions. [published online ahead of print, 2020]. Breast J. 2020

  • S. Ngaserin, HW Chua, TM Mipuri. FDG-PET/CT unilateral breast enlargement and diffuse hypermetabolism related to unilateral lactation in a patient with primary biliary cirrhosis. [published online ahead of print, 2020 May 29]. Breast J. 2020;10.1111/tbj.13906. doi:10.1111/tbj.13906

  • S. Ngaserin, Koh FH, Ong BC, Chew MH. COVID-19 not detected in peritoneal fluid: a case of laparoscopic appendicectomy for acute appendicitis in a COVID-19-infected patient. [published online ahead of print, 2020 May 9]. Langenbecks Arch Surg. 2020;1‐3. doi:10.1007/s00423-020-01891-2

  • Kabir T, Ngaserin S, Koh FH, Huang JX, Ong BC, Chew MH. The COVID-19 conundrum: SARS-CoV-2 is not present in bile. Br J Surg 2020. [Published online ahead of print, 2020 July]. doi: 10.1002/bjs.11820

  • Chew MH, Koh FH, Wu JT, S Ngaserin, Ng A, Ong BC, VJ Lee. Clinical assessment of COVID-19 outbreak among migrant workers residing in a large dormitory in Singapore. [published online ahead of print, 2020 May 31]. J Hosp Infect. 2020;S0195-6701(20)30274-7. doi:10.1016/j.jhin.2020.05.034

  • Lim EW, Ngaserin S, Foo FJ. Inside-Out: Spontaneous Bowel Evisceration, a Rare Complication of the Ventral Hernia. International journal of hernia and abdominal wall surgery 2020.

  • S. Ngaserin, HJ Tan, CHJ Keh. A belly of blood: A rare case describing surgical intervention in a gastric intramural haematoma precipitated by therapeutic endoscopy in an anticoagulated patient. Int J Surg Case Rep. 2016;26:65‐68. doi:10.1016/j.ijscr.2016.06.014

  • S. Ngaserin, B. Lieske, Chong CS. Unravelling the Cocoon: A Case Report, Review of the Literature, and Journey in Rediscovering Congenital Peritoneal Encapsulation. Clinics in Surgery - Colon and Rectal Surgery, November 2016. 1 : 1169.

  • S. Ngaserin, Chong CS. Building an interprofessional education module: A suggested template based on real adverse events. Poster presentation at the 12TH Asia Pacific Medical Education Conference (APMEC), February 2015.

  • SZ Lim, Y Sim, S. Ngaserin, Tan VK, Yong WS, Wong CY, P Madhukumar, Tan BKT, Ong KW. Our Experience with Surgeon-Initiated Gene Expression Profile Testing (Oncotype Dx) Among Patients with Early Breast Cancer. Poster presentation at the Global Breast Cancer Conference (GBCC), South Korea, April 2018.

  • S. Ngaserin, Y Sim, J Yee, Low YF, SZ Lim,, Tan VK, Yong WS, Wong CY, Ong KW, Tan BKT , P Madhukumar. Can We Abate the Persistent Trend of Newly-Diagnosed Locally-Advanced Breast Cancer in an 'Advanced Developing' Asian Population? Poster presentation at the Global Breast Cancer Conference (GBCC), South Korea, April 2018.

  • R. Lee, A. Ang, S. Ngaserin, Tang SW, A. Kow, Gominda G, Chong CS. Medical School Elective Programmes in Singapore: An Analysis of the Factors Associated with Effectiveness. 8th University Surgical Cluster Undergraduate Research Week, October 2018.

  • Chua HW, Wong FY, S. Ngaserin, Tan VK, Yong WS, Wong CY, P Madhukumar, Sim YR, Lim SZ, Tan BKT. Compliance of Endocrine Treatment in Young Women with Breast Cancer. Poster presentation at the Global Breast Cancer Conference (GBCC), South Korea, May 2019.

  • Tan MLM, Dong M, Lee TT, Tan MLM, Sumathi SL, Wu LP, N.Saraswathi, Yong SLB, Ng LJK, Thung JL,  Tan VKM , Wong CY, Tan BKT,  P.Madhukumar, Yong WS, Lim SZ, S. Ngaserin, Sim Y. Newly Diagnosed Breast Cancer Patients - To Improve Knowledge and To Reduce Anxiety Levels when Preparing for Surgery. Poster presentation at the MOH Value Driven Care (VDC) Conference, September 2019.

  • Low YF, J Yee, S.Ngaserin, HW Chua, SZ Lim, Tan VK, Yong WS, Wong CY, Tan BKT, P Madhukumar, Y Sim. Can we identify the factors leading to the delayed presentation of Locally Advanced Breast Cancer (LABC)? : A preliminary study. Poster presentation at the SingHealth Duke-NUS Surgical and Anaesthesia Congress, September 2019.

  • Yi Fen Low, Jaime Yee, Sabrina Ngaserin , Wai Yee Ng, Julie Liana, Si Ying Tan, Sue Zann Lim, Hui Wen Chua, Benita Kiat Tee Tan, Preetha Madhukumar, Chow Yin Wong, Wei Sean Yong, Veronique Kiak Mien Tan, Yirong Sim. Why do some breast cancer patients present so late with locally advanced disease? A Singaporean perspective. Global Breast Cancer Conference (GBCC), South Korea, May 2020.

Research Trials