Sitong Chen

Fellowship-trained, board-qualified foot and ankle surgeon specializing in soft reconstruction, microsurgery, and peripheral nerve surgery. Unique training in residency with extensive exposure to hand surgery, microsurgery, and plastic, reconstructive, and aesthetic surgery. Further advanced training under Dr. Edgardo Rodriguez, a leader in lower extremity orthoplastics and microsurgery. Continues to collaborate weekly on cases with plastic surgeons.

• Detection of a panel of urine DNA markers for HCC screening and disease management, ID#: 9598735
• Detection of hepatitis B virus (HBV) DNA and methylated HBV DNA in urine of patients with HBV-associated hepatocellular carcinoma, ID#: 9840742
• Method and kit for detecting HBV DNA, ID#: WO2016205572A1

• Jain S, Chen S, Chang KC, Lin YJ, Hu CT, Boldbaatar B, Hamilton JP, Lin SY, Chang TT, Chen SH, Song W, Meltzer SJ, Block TM, Su YH. Impact of the location of CpG methylation within the GSTP1 gene on its specificity as a DNA marker for hepatocellular carcinoma. PLOS ONE 7: e35789. doi:10.1371/journal.pone.0035789. PubMed: 22536438.
• Su, Y. H., Jain, S., Chen, S., Lin, S. Y., & Song, W. (2014, January). Development of a urine DNA test for liver cancer screening. International Journal of Molecular Medicine (Vol. 34, pp. S58-S58). POB 18179, Athens, 116 10, Greece: Spandidos Publ Ltd.
• Lauren L. Schnack, DPM, MS, AACFAS, FACPM, Sitong Chen, DPM, Stephanie Oexeman, DPM, AACFAS, DABPM, Edgardo R. Rodriguez-Collazo, DPM. “Cellular- and Tissue-Based Products Versus Split-Thickness Skin Grafts: Which Are Superior?” Podiatry Today August 2022, https://www.hmpgloballearningnetwork.com/site/podiatry/case-study/point-counterpoint-ctp-versus-stsg-which-superior
• Chen S, Cheung TP, Rodriguez-Collazo ER. The abductor hallucis muscle flap - a viable surgical solution for treating first ray soft tissue defects. Plastic and Aesthetic Research. 2023; 10: 49. http://dx.doi.org/10.20517/2347-9264.2023.23
• Rodriguez-Collazo ER, Ward S, Delgado JA, Hans M, Chen S. Outcomes of Ertl Osteomyoplasty Transtibial Amputation With Primary Targeted Muscle Reinnervation and Regenerative Peripheral Nerve Interface. Plast Reconstr Surg Glob Open. 2025 Nov 14;13(11):e7272. doi: 10.1097/GOX.0000000000007272. PMID: 41244010; PMCID: PMC12617532.
• Rodriguez-Collazo ER, Delgado JA, Hans M, Chen S, Ward S. Approach and Versatility of Multiple Options to Harvest Fibular Vascularized Corticoperiosteal Flap. Plast Reconstr Surg Glob Open. 2025 Nov 13;13(11):e7284. doi: 10.1097/GOX.0000000000007284. PMID: 41244009; PMCID: PMC12614672.

• Chen S, Gene promoter methylation in patients with hepatocellular carcinoma, Hepatitis B foundation, 05/01/09
• Chen S, Application of monoclonal antibodies in neonatal populations, Johnson and Johnson Centocor Department of Pharmacokinetics and Pharmacodynamics, 08/01/09
• Jain S, Chen S, Impact of the location of CpG methylation within the GSTPI gene on its specificity as a DNA marker for hepatocellular carcinoma, National Collegiate Research Conference (NCRC), Harvard University, Cambridge, MA, 01/01/12
• Chen S, Jain S, Lin S, Su YH, Song W, Development of a urine DNA based marker panel for early detection of liver cancer, American Association for Cancer Research Annual Meeting, 04/01/14
• Iorio A R, Chen S, Relationship Between Compliance and Lower Extremity Health in The New York City Homeless Population, The National, 07/01/18
• Golshteyn G, Chen S, Soloman M, Plantar Closing Base Wedge Osteotomy of the Medial Cuneiform for Treatment of Symptomatic Pes Planovalgus Deformity in the Pediatric Population, ACFAS 2021
• Mahram J, Chen S, Lee J, Outcomes of Below Knee Amputation with Regenerative Peripheral Nerve Interface (RPNI): A Case Report, ACFAS 2026
• Mellor C, Chen S, Tiny Donor, Big Toe: Full-Thickness Skin Graft for Complex Traumatic Hallux Wound: A Case Report, ACFAS 2026
• Armout N, Mahram J, Chen S, Successful Limb Salvage and Neurological Recovery Following Pediatric Traumatic Hematoma with Superficial Peroneal Nerve Injury, ACFAS 2026.