Asst Prof Tan Yongcheng Benjamin

Dr. Tan Yongcheng Benjamin is a Senior Consultant Pathologist with the Department of Anatomical Pathology, Division of Pathology, Singapore General Hospital.

A graduate of the Faculty of Medicine, National University of Singapore, Dr. Tan attained postgraduate specialist accreditation in Anatomical Pathology and was admitted as Fellow of the Royal College of Pathologists (United Kingdom) in 2014. He was also conferred the Certificate of Higher Cervical Cytology Training in the same year.

A recipient of the Health Manpower Development Plan Award (2017), Dr. Tan undertook advanced subspecialty training in Breast Pathology at two Harvard Medical School teaching hospitals (Brigham & Women's Hospital, and Beth Israel Deaconess Medical Center), mentored by Professors Stuart Schnitt and Susan Lester.

Dr. Tan’s professional practice encompasses general anatomical pathology with clinical and research interests in breast and genitourinary pathology. He is a clinical physician faculty of the Singhealth Pathology Residency programme and lectures at Nanyang Technological University. Dr. Tan’s current positions include Director of Immunopathology, Singhealth Pathology Academic Clinical Programme, and Honorary Secretary of the Association of Pathologists, Singapore (Singapore Division of the International Academy of Pathology). He is a member of the International Society of Breast Pathologists.

• 2014: Fellow, The Royal College of Pathologists (FRCPath)
• 2014: Certificate of Higher Cervical Cytology Training (CHCCT)
• 2007: Bachelor of Medicine and Bachelor of Surgery (MBBS), National University of Singapore

• Director, Immunopathology, Singhealth Pathology Academic Clinical Programme
• Honorary Secretary, Association of Pathologists, Singapore (Singapore Division of the International Academy of Pathology)
• Member, International Society of Breast Pathologists

• SAF Letter of Commendation (2021, 2016)
• Health Manpower Development Plan (HMDP) Award, Singhealth (2016)
• Best Poster Presentation, 1st Singhealth Pathology Residents’ and Trainees’ Research Day, Pathology ACP (2014)
• SingHealth Best Registrar Award (2014)
• The Best Presentation Award, 59th Autumn Annual Meeting of the Japanese Society of Pathology (2013)
• Service with a Heart Award, SGH (2012)
• SingHealth Best Medical Officer Award (2013, 2012, 2011)
• SingHealth Best House Officer Award (2008)
• Dean’s List, Professional Examinations, Faculty of Medicine, NUS (2005, 2004, 2003)
• Robert Lin Silver Medal (Pharmacology), NUS (2005)
• Thambipillai Medal (Anatomy), NUS (2003)
• Letter of Outstanding Performance (SAF) (2002)
• Prime Minister’s Book Prize (1998)
• Lee Kuan Yew Award for Mathematics and Science (1998)

• ​Breast tumour pathology
• Urological pathology

• Roles of morphological, immunohistochemical, and molecular markers and genetic landscapes of neoplastic breast lesions in relation to clinico-pathologic outcomes and as potential therapeutic targets
• Characterisation of breast Phyllodes tumours
• Integration of current and novel methods in diagnostic practice and systems optimization

1. Special Histologic Type and Rare Breast Tumors – Diagnostic Review and Clinico-Pathological Implications. Benjamin Yongcheng Tan, Elaine Hsuen Lim, Puay Hoon Tan. Surgical Pathology Clinics, 2022.
2. An update on the classification of phyllodes tumours of the breast. Fan Foon Cheo, Yongcheng Benjamin Tan, Puay Hoon Tan. Diagnostic Histopathology, 2022. doi:10.1016/j.mpdhp.2021.12.001
3. Artificial intelligence modelling in differentiating core biopsies of fibroadenoma from phyllodes tumor. Cheng, C.L., Md Nasir, N.D., Ng, G.J.Z. et al. Lab Invest (2021).
4. Morphologic and genetic heterogeneity in breast fibroepithelial lesions—a comprehensive mapping study. Tan, B.Y., Md Nasir, N.D., Chang, H.Y. et al. Mod Pathol 33, 1732–1745 (2020).
5. Multiplex immunohistochemistry/immunofluorescence (mIHC/IF) for PD-L1 testing in triple-negative breast cancer: a translational assay compared with conventional IHC. Yeong J, Tan T, Chow ZL, Cheng Q, Lee B, Seet A, Lim JX, Lim JCT, Ong CCH, Thike AA, Saraf S, Tan BYC, Poh YC, Yee S, Liu J, Lim E, Iqbal J, Dent R, Tan PH. J Clin Pathol. 2020 Sep;73(9):557-562. doi: 10.1136/jclinpath-2019-206252.
6. WHO Classification of Tumours. Breast Tumours. Lyon (France): International Agency for Research on Cancer; 2019. (WHO classification of tumours series, 5th ed.; vol. 2). Contributing author to Chapters: Encapsulated papillary carcinoma (Pages 60-62), Solid papillary carcinoma (Pages 63-65), Invasive papillary carcinoma (Pages 66-67)
7. A Diagnostic Approach to Fibroepithelial Breast Lesions. Benjamin Yongcheng Tan, Puay Hoon Tan. Surgical Pathology Clinics, Volume 11, Issue 1, 2018, Pages 17-42. ISSN 1875-9181, ISBN 9780323581769
8. Tumor size and Fuhrman grade further enhance the prognostic impact of perinephric fat invasion and renal vein extension in T3a staging of renal cell carcinoma. Chen K, Lee BL, Huang HH, Tan BY, Lee LS, Ng LG, Lau W, Yuen JS. Int J Urol. 2017 Jan;24(1):51-58. doi: 10.1111/iju.13237.
9. Clinicopathologic Characteristics of Solid Papillary Carcinoma of the Breast. Tan BY, Thike AA, Ellis IO, Tan PH. Am J Surg Pathol. 2016 Oct;40(10):1334-42. doi: 10.1097/PAS.0000000000000702.
10. Phyllodes tumours of the breast: a consensus review. Tan, BY, Acs, G, Apple, SK, Badve, S, Bleiweiss, IJ, Brogi, E, Calvo, JP, Dabbs, DJ, Ellis, IO, Eusebi, V, Farshid, G, Fox, SB, Ichihara, S, Lakhani, SR, Rakha, EA, Reis-Filho, JS, Richardson, AL, Sahin, A, Schmitt, FC, Schnitt, SJ, Siziopikou, KP, Soares, FA, Tse, GM, Vincent-Salomon, A & Tan, PH (2016) Histopathology 68, 5– 21. DOI: 10.1111/his.12876.