S. Ngaserin, AWJ Wong, FQH Leong, JJ Feng, YO Kok, BKT Tan. A preliminary experience of endoscopic total mastectomy with immediate free abdominal-based perforator flap reconstruction using minimal incisions, and literature review. Journal of Breast Cancer, accepted 14 Feb 2023.
F.Leong, G. Kusumawidjaja, R Sultana, H.M. Ishak, F.Y. Wong, S.M Tan, BKT Tan, Y. Sim, S.M. Tan, S. Ngaserin. Superior survival after breast conserving surgery versus mastectomy – a multicenter Asian cohort study of 3655 patients. European Journal of Cancer 175, Suppl. 1 (2022) S1-96.
S. Ngaserin, Shaw V, Tan BK. Nipple base-splitting enucleation (NiBSE) can preserve cosmesis and nipple sensation for the complete excision of benign nipple lesions. Breast J. 2020 Nov;26(11):2280-2282. doi: 10.1111/tbj.13982. Epub 2020 Jul 25. PMID: 32713078.
S Ngaserin, 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. Breast J. 2020 Aug;26(8):1593-1596. doi: 10.1111/tbj.13961. Epub 2020 Jul 1. PMID: 32608540; PMCID: PMC7361843
S Ngaserin, Tan BK. Smoke evacuation in endoscopic breast surgery can enhance operative visualization and respect surgical safety. Breast J. 2020 Oct;26(10):2106-2107. doi: 10.1111/tbj.13941. Epub 2020 Jun 17. PMID: 32558030.
S. Ngaserin, Chua HW, Mipuri TM. FDG-PET/CT unilateral breast enlargement and diffuse hypermetabolism related to unilateral lactation in a patient with primary biliary cirrhosis. Breast J. 2020 Oct;26(10):2094-2095. doi: 10.1111/tbj.13906. Epub 2020 May 29. PMID: 32469088.
Kabir T, Syn NL, Shaw V, Tan YHA, Chua HW, Ong LWL, Koh FH, Ladlad J, Barco JB, Wang P, Kui Y, Blasiak A, Zhao JJ, Ho D, Kam JH, Ngaserin S. Defining the optimal time to appendectomy: A step toward precision surgery. Surgery. 2022 Jul 15:S0039-6060(22)00251-3. doi: 10.1016/j.surg.2022.04.021. Epub ahead of print. PMID: 35850731.
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, S. Ngaserin, Koh FH, Huang J, Ong BC, Chew MH. The COVID-19 conundrum: SARS-CoV-2 is not present in bile. Br J Surg. 2020 Sep;107(10):e381. doi: 10.1002/bjs.11820. Epub 2020 Jul 20. PMID: 32779750; PMCID: PMC7404877.
Chew MH, Koh FH, Wu JT, S. Ngaserin, Ng A, Ong BC, Lee VJ. Clinical assessment of COVID-19 outbreak among migrant workers residing in a large dormitory in Singapore. J Hosp Infect. 2020 Sep;106(1):202-203. doi: 10.1016/j.jhin.2020.05.034. Epub 2020 May 31. PMID: 32492454; PMCID: PMC7261446
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, 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
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;3(4):155-157. doi: 10.4103/ijawhs.ijawhs_25_20
NIHR Global Health Unit on Global Surgery; COVIDSurg Collaborative. Elective surgery system strengthening: development, measurement, and validation of the surgical preparedness index across 1632 hospitals in 119 countries. Lancet. 2022 Nov 5;400(10363):1607-1617. doi: 10.1016/S0140-6736(22)01846-3. Epub 2022 Oct 31. PMID: 36328042; PMCID: PMC9621702.
BJS Commission Team. BJS commission on surgery and perioperative care post-COVID-19. Br J Surg. 2021 Oct 8:znab307. doi: 10.1093/bjs/znab307. Epub ahead of print. PMID: 34624081.
COVIDSurg Collaborative; GlobalSurg Collaborative. SARS-CoV-2 infection and venous thromboembolism after surgery: an international prospective cohort study. Anaesthesia. 2022 Jan 24. doi: 10.1111/anae.15563. Epub 2021 Aug 24. PMID: 34428858. PMCID: PMC8652887.
COVIDSurg Collaborative Co-authors. Machine learning risk prediction of mortality for patients undergoing surgery with perioperative SARS-CoV-2: the COVIDSurg mortality score. Br J Surg. 2021 Jul 6:znab183. doi: 10.1093/bjs/znab183. Epub ahead of print. PMID: 34227657; PMCID: PMC8344569.
COVIDSurg Collaborative; GlobalSurg Collaborative. Effects of pre-operative isolation on postoperative pulmonary complications after elective surgery: an international prospective cohort study. Anaesthesia. 2021 Nov;76(11):1454-1464. doi: 10.1111/anae.15560. Epub 2021 Aug 9. PMID: 34371522.
COVIDSurg Collaborative, GlobalSurg Collaborative. SARS-CoV-2 vaccination modelling for safe surgery to save lives: data from an international prospective cohort study. Br J Surg. 2021 Sep 27;108(9):1056-1063. doi: 10.1093/bjs/znab101. PMID: 33761533; PMCID: PMC7995808.
COVIDSurg Collaborative; GlobalSurg Collaborative. Timing of surgery following SARS-CoV-2 infection: an international prospective cohort study. Anaesthesia. 2021 Jun;76(6):748-758. doi: 10.1111/anae.15458. Epub 2021 Mar 9. PMID: 33690889; PMCID: PMC8206995.
Major Presentations
S. Ngaserin, A Wong, F. Leong, JJ Feng, YO Kok, BKT Tan. Endoscopic Mastectomy and Immediate Free Abdominal-Based Flap Reconstruction: A Preliminary Experience Describing an Approach to the “Aesthetically Scarless” mastectomy. Global Breast Cancer Conference (GBCC), South Korea, April 2023.
AWJ Wong, NHS Sim, CB Theng, S Loh, HW Chua, S Ngaserin, BKT Tan. Distally based Lymphatic Preventative Healing Approach (dLYMPHA) – A modification of the classical approach. Global Breast Cancer Conference (GBCC), South Korea, April 2023.
Chua Hui Wen, LY Chia, Faith QH Leong, YR Sim, Sabrina Ngaserin, Tira JY Tan, JYY Ngeow, FY Wong, Veronique KM Tan, Benita Kiat-Tee Tan. Bilateral Breast Cancer in Young Women in an Asian Population. Global Breast Cancer Conference (GBCC), South Korea, April 2023.
FQH Leong, G. Kusumawidjaja, R Sultana, H.M. Ishak, F.Y. Wong, S.M Tan, BKT Tan, Y. Sim, S.M. Tan, S. Ngaserin. Superior survival after breast conserving surgery versus mastectomy – a multicenter Asian cohort study of 3655 patients. European Breast Cancer Conference (EBCC), Spain, November 2022.
Sim Yirong, Tan Mabel May Leng, Dong Mei, Lee Teng Teng, Tan Mei Ling Melanie, D/O Lourdusamy Sumathi, Wu Li Ping, Nagalingam Sawaswathi, Yong Shi Ling Bernice, Ng Ji Juan Krismaine, Thung Jee Liang, Wong Chow Yin, Tan Kiat Tee Benita, Madhukumar Preetha, Yong Wei Sean, Lim Sue Zann, Sabrina Ngaserin, Yang Shi-Hui, Veronique Kiak Mien Tan. Newly diagnosed breast cancer patients – To improve knowledge and to reduce anxiety levels when preparing for surgery. Global Breast Cancer Conference (GBCC), South Korea, May 2021.
Yi Fen Low, Ee Wen Lim, Sabrina Ngaserin, Jaime Yee, Wai Yee Ng, Julie Liana Hamzah, Si Ying Tan, Sue Zann Lim, Hui Wen Chua, Benita Kiat Tee Tan, Preetha Madhukumar, Wei Sean Yong, Chow Yin Wong, 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 2021.
Yi Fen Low, Jaime Yee, Sabrina Ngaserin, Wai Yee Ng, Julie Liana Hamzah, 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.
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.
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.
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.
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.
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.
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, HJ Tan, CHJ Keh. A Belly of Blood: Surgical Intervention of Gastric Intramural Haematoma Precipitated by Therapeutic Endoscopy in an Anti-coagulated Patient. Poster presentation at the 24th International congress of the European Association of Endoscopic Surgery (EAES), Amsterdam, June 2016.
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.