Ponnandai Somasundar | Profiles RNS

Ponnandai Somasundar, MD Hear my name

Associate Professor

Boston University Chobanian & Avedisian School of Medicine

Surgery

Surgical Oncology

MBBS, University of Madras
MPH, University of Massachusetts Amherst
MS, Tamil Nadu Dr. M.G.R. Medical University

Websites

	Roger Williams Medical Center
	Kent Hospital
	Fatima Hospital
	LinkedIn
	ResearchGate

Ponnandai Somasundar, MD, is Associate Chief of Surgical Oncology and Director of Geriatric Oncology at Roger Williams. He received his Fellowship training at Roger Williams Medical Center/Chobanian and Avedisian School of Medicine. After graduating from Madras Medical College, Dr. Somasundar completed residencies at Maimonides Medical Center in Brooklyn, New York,?and West Virginia University. Dr. Somasundar’s clinical expertise is in the areas of liver surgery, pancreas surgery, melanoma, thyroid cancer, colorectal surgery, HIPEC, and abdominal wall reconstruction.

Roger Williams Medical Center

Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.

iCite Analysis Copy PMIDs To Clipboard

Jimenez M, Salehi O, Somasundar P, Dandeneau J, Chebl J, Vognar L, Espat NJ, Calvino AS, Kwon S. Impact of American College of Surgeons Geriatric Surgery Verification Program in Patients Undergoing Major Abdominal Oncologic Operation at a Cancer Center. J Am Coll Surg. 2024 Dec 10.View Related Profiles.

Calvino, Abdul
Espat, Nocif
Somasundar, Ponnandai

PMID: 39655814

Salehi O, Chandani KU, Sammartino CJ, Somasundar P, Espat NJ, Calvino AS, Kwon S. Impact of Medicaid Expansion on Screenable versus Non-Screenable Gastrointestinal Cancers. J Cancer Policy. 2024 Dec 02; 100525.View Related Profiles.

Calvino, Abdul
Espat, Nocif
Somasundar, Ponnandai

PMID: 39631725

Stillman M, Somasundar P, Espat NJ, Calvino AS, Kwon S. ASO Visual Abstract: Negative Impact of Systemic Therapy on Survival in Patients Undergoing Cytoreductive Surgery and Hyperthermic Intraperitoneal Chemotherapy for Low-Grade Metastatic Appendiceal Adenocarcinoma. Ann Surg Oncol. 2024 Nov 27.View Related Profiles.

Calvino, Abdul
Espat, Nocif
Somasundar, Ponnandai

PMID: 39601937

Abi Chebl J, Somasundar P, Vognar L, Kwon S. Review of frailty in geriatric surgical oncology. Scand J Surg. 2024 Nov 20; 14574969241298872. PMID: 39568134

Stillman M, Somasundar P, Espat NJ, Calvino AS, Kwon S. Negative Impact of Systemic Therapy on Survival in Patients Undergoing Cytoreductive Surgery and Hyperthermic Intraperitoneal Chemotherapy for Low-Grade Metastatic Appendiceal Adenocarcinoma. Ann Surg Oncol. 2025 Jan; 32(1):221-229.View Related Profiles.

Calvino, Abdul
Espat, Nocif
Somasundar, Ponnandai

PMID: 39500859

Bains K, Somasundar PS, Chebl JA, Vognar LA. Impact of Cancer on Nutrition in the Geriatric Cancer Population. R I Med J (2013). 2024 Feb 01; 107(2):36-39. PMID: 38285751

Kim EJ, Lee JY, Ganga A, Barton A, Rana V, Araia E, Adriance W, Wang R, Somasundar P, Kim LA. Analysis of Uveal Melanoma 5-Year Survival Rates by Medicaid Status: A Nationwide Analysis. Ophthalmic Epidemiol. 2024 Aug; 31(4):385-391. PMID: 37964586

Ganga A, Kim EJ, Lee JY, Leary OP, Sastry RA, Fridley JS, Chang KE, Niu T, Sullivan PZ, Somasundar PS, Gokaslan ZL. Disparities in Primary Spinal Osseous Malignant Bone Tumor Survival by Medicaid Status: A National Population-Based Risk Analysis. World Neurosurg. 2024 Jan; 181:e192-e202. PMID: 37777175

Ganga A, Kim EJ, Mintzer GL, Adriance W, Wang R, Cholankeril G, Balkrishnan R, Somasundar PS. Disparities in primary pancreatic adenocarcinoma survival by Medicaid-status: A national population-based risk analysis. Eur J Surg Oncol. 2023 Jul; 49(7):1242-1249. PMID: 36801151

Kim EJ, Ganga A, Lee JY, Zawadzki RS, Adriance W, Wang R, Cholankeril G, Somasundar PS. Disparities in hepatocellular carcinoma survival by Medicaid-status: A national population-based risk analysis. Eur J Surg Oncol. 2023 Apr; 49(4):794-801. PMID: 36503726

Showing 10 of 64 results. Show More

Montroni I, Ugolini G, Saur NM, Rostoft S, Spinelli A, Van Leeuwen BL, De Liguori Carino N, Ghignone F, Jaklitsch MT, Somasundar P, Garutti A, Zingaretti C, Foca F, Vertogen B, Nanni O, Wexner SD, Audisio RA. Quality of Life in Older Adults After Major Cancer Surgery: The GOSAFE International Study. J Natl Cancer Inst. 2022 Jul 11; 114(7):969-978. PMID: 35394037; PMCID: PMC9275771; DOI: 10.1093/jnci/djac071;

Mukkamalla SKR, Somasundar P, Rathore B. Prognostic Impact of Tumor Status, Nodal Status and Tumor Sidedness in Metastatic Colon Cancer. Cureus. 2020 Nov 11; 12(11):e11444. PMID: 33329946; PMCID: PMC7734889; DOI: 10.7759/cureus.11444;

Mukkamalla SKR, Huynh DV, Somasundar PS, Rathore R. Adjuvant Chemotherapy and Tumor Sidedness in Stage II Colon Cancer: Analysis of the National Cancer Data Base. Front Oncol. 2020; 10:568417.View Related Profiles.

Somasundar, Ponnandai
Rathore, Ritesh

PMID: 33042845; PMCID: PMC7523086; DOI: 10.3389/fonc.2020.568417;

Patel A, Espat NJ, Somasundar P. Fibrolamellar Carcinoma: Novel Insights into a Rare Subtype. Ann Surg Oncol. 2020 Jun; 27(6):1733-1734.View Related Profiles.

Espat, Nocif
Somasundar, Ponnandai

PMID: 32056041

Montroni I, Rostoft S, Spinelli A, Van Leeuwen BL, Ercolani G, Saur NM, Jaklitsch MT, Somasundar PS, de Liguori Carino N, Ghignone F, Foca F, Zingaretti C, Audisio RA, Ugolini G. GOSAFE - Geriatric Oncology Surgical Assessment and Functional rEcovery after Surgery: early analysis on 977 patients. J Geriatr Oncol. 2020 03; 11(2):244-255. PMID: 31492572

Somasundar PS. Dr. Ponnandai interviews Dr. Harold Wanebo. Eur J Surg Oncol. 2018 08; 44(8):1278-1279. PMID: 30215350

Somasundar P, Mourey L, Lozza L, Maggi S, Stepney R. Advances in geriatric oncology: a multidisciplinary perspective. Tumori. 2018 Aug; 104(4):252-257. PMID: 28967093

Reha J, Mukkamalla SKR, Rathore R, Somasundar PS. Adequate lymph node evaluation in the elderly is associated with improved survival in patients with stage I-III colon cancer: A validation study using the National Cancer Data Base. Eur J Surg Oncol. 2018 Jan; 44(1):148-156.View Related Profiles.

Somasundar, Ponnandai
Rathore, Ritesh

PMID: 29198492

Ahmad A, Reha J, Saied A, Espat NJ, Somasundar P, Katz SC. Association of primary tumor lymph node ratio with burden of liver metastases and survival in stage IV colorectal cancer. Hepatobiliary Surg Nutr. 2017 Jun; 6(3):154-161.View Related Profiles.

Espat, Nocif
Somasundar, Ponnandai
Katz, Steven

PMID: 28652998; PMCID: PMC5474451; DOI: 10.21037/hbsn.2016.08.08;

Copelin E, Cholankeril R, Somasundar P, Cholankeril G. Portomesenteric venous thrombosis complicated by a haemorrhagic shock: a rare complication of laparoscopic gastrectomy. BMJ Case Rep. 2017 May 29; 2017. PMID: 28554887; PMCID: PMC5747676; DOI: 10.1136/bcr-2016-219167;

Guha P, Cunetta M, Somasundar P, Espat NJ, Junghans RP, Katz SC. Frontline Science: Functionally impaired geriatric CAR-T cells rescued by increased a5ß1 integrin expression. J Leukoc Biol. 2017 08; 102(2):201-208.View Related Profiles.

Espat, Nocif
Somasundar, Ponnandai
Guha, Prajna
Katz, Steven

PMID: 28546503; PMCID: PMC6608072; DOI: 10.1189/jlb.5HI0716-322RR;

Ahmad A, Reha J, Somasundar P, Espat NJ, Katz SC. Predictors of surgical non-referral for colorectal liver metastases. J Surg Res. 2016 09; 205(1):198-203.View Related Profiles.

Espat, Nocif
Somasundar, Ponnandai
Katz, Steven

PMID: 27621019

Cholankeril G, Hu M, Tanner E, Cholankeril R, Reha J, Somasundar P. Skilled nursing facility placement in hospitalized elderly patients with colon cancer. Eur J Surg Oncol. 2016 Nov; 42(11):1660-1666. PMID: 27387271

Ahmad A, Khan H, Cholankeril G, Katz SC, Somasundar P. The impact of age on nodal metastases and survival in gastric cancer. J Surg Res. 2016 05 15; 202(2):428-35.View Related Profiles.

Somasundar, Ponnandai
Katz, Steven

PMID: 27229119

Ghignone F, van Leeuwen BL, Montroni I, Huisman MG, Somasundar P, Cheung KL, Audisio RA, Ugolini G. The assessment and management of older cancer patients: A SIOG surgical task force survey on surgeons' attitudes. Eur J Surg Oncol. 2016 Feb; 42(2):297-302. PMID: 26718329

Ahmad A, Libbey NP, Somasundar P, Katz SC. Gastrointestinal stromal tumour metastatic to the epididymis. BMJ Case Rep. 2015 Sep 23; 2015.View Related Profiles.

Libbey, N.
Somasundar, Ponnandai
Katz, Steven

PMID: 26400593; PMCID: PMC4593276; DOI: 10.1136/bcr-2015-211555;

Khan H, Khan N, Ahmad A, Olszewski AJ, Somasundar P. Surgical management of metastatic colon cancer: A population-based analysis. J Geriatr Oncol. 2015 Nov; 6(6):446-53. PMID: 26296910

Huisman MG, Audisio RA, Ugolini G, Montroni I, Vigano A, Spiliotis J, Stabilini C, de Liguori Carino N, Farinella E, Stanojevic G, Veering BT, Reed MW, Somasundar PS, de Bock GH, van Leeuwen BL. Screening for predictors of adverse outcome in onco-geriatric surgical patients: A multicenter prospective cohort study. Eur J Surg Oncol. 2015 Jul; 41(7):844-51. PMID: 25935371

Saied A, David J, LaBarbera K, Katz SC, Somasundar P. Chemotherapy does not adversely impact outcome following post-incisional hernia repair with biomaterial mesh. J Surg Oncol. 2015 May; 111(6):725-8.View Related Profiles.

Somasundar, Ponnandai
Katz, Steven

PMID: 25580588; PMCID: PMC6680137; DOI: 10.1002/jso.23869;

Khan H, Olszewski AJ, Somasundar P. Lymph node involvement in colon cancer patients decreases with age; a population based analysis. Eur J Surg Oncol. 2014 Nov; 40(11):1474-80. PMID: 25027280

Khan HM, Katz SC, Libbey NP, Somasundar PS. Hepatic PEComa: a potential pitfall in the evaluation of hepatic neoplasms. BMJ Case Rep. 2014 Jun 06; 2014.View Related Profiles.

Libbey, N.
Somasundar, Ponnandai
Katz, Steven

PMID: 24907216; PMCID: PMC4054585; DOI: 10.1136/bcr-2014-204122;

Saied A, Sherry SJ, Castricone DJ, Perry KM, Katz SC, Somasundar P. Age-related trends in utilization of the internet and electronic communication devices for coordination of cancer care in elderly patients. J Geriatr Oncol. 2014 Apr; 5(2):185-9.View Related Profiles.

Somasundar, Ponnandai
Katz, Steven

PMID: 24495698

Boutros C, Gary M, Baldwin K, Somasundar P. Gallbladder cancer: past, present and an uncertain future. Surg Oncol. 2012 Dec; 21(4):e183-91. PMID: 23025910

Oyasiji T, Baldwin K, Katz SC, Espat NJ, Somasundar P. Feasibility of purely laparoscopic resection of locally advanced rectal cancer in obese patients. World J Surg Oncol. 2012 Jul 16; 10:147.View Related Profiles.

Espat, Nocif
Somasundar, Ponnandai
Katz, Steven

PMID: 22799628; PMCID: PMC3411465; DOI: 10.1186/1477-7819-10-147;

Baldwin K, Katz SC, Rubin A, Somasundar P. Bipolar radiofrequency ablation of liver tumors: technical experience and interval follow-up in 22 patients with 33 ablations. J Surg Oncol. 2012 Dec; 106(7):905-10.View Related Profiles.

Somasundar, Ponnandai
Katz, Steven

PMID: 22566386

Kurniali PC, O'Gara K, Wang X, Wang LJ, Somasundar P, Falanga V, Espat NJ, Katz SC. The effects of sorafenib on liver regeneration in a model of partial hepatectomy. J Surg Res. 2012 Nov; 178(1):242-7.View Related Profiles.

Espat, Nocif
Somasundar, Ponnandai
Katz, Steven
Falanga, Vincent

PMID: 22482755; PMCID: PMC3419806; DOI: 10.1016/j.jss.2012.01.033;

Baldwin K, Haniff M, Somasundar P. Initial experience using a bipolar radiofrequency ablation device for hemostasis during thyroidectomy. Head Neck. 2013 Jan; 35(1):118-22. PMID: 22422515

Munireddy S, Katz S, Somasundar P, Espat NJ. Thermal tumor ablation therapy for colorectal cancer hepatic metastasis. J Gastrointest Oncol. 2012 Mar; 3(1):69-77.View Related Profiles.

Espat, Nocif
Somasundar, Ponnandai
Katz, Steven

PMID: 22811871; PMCID: PMC3397642; DOI: 10.3978/j.issn.2078-6891.2012.008;

Boutros C, Ryan K, Katz S, Espat NJ, Somasundar P. Total laparoscopic distal pancreatectomy: beyond selected patients. Am Surg. 2011 Nov; 77(11):1526-30.View Related Profiles.

Espat, Nocif
Somasundar, Ponnandai

PMID: 22196669

Baldwin KM, Katz SC, Espat NJ, Somasundar P. Laparoscopic spleen-preserving distal pancreatectomy in elderly subjects: splenic vessel sacrifice may be associated with a higher rate of splenic infarction. HPB (Oxford). 2011 Sep; 13(9):621-5.View Related Profiles.

Espat, Nocif
Somasundar, Ponnandai
Katz, Steven

PMID: 21843262; PMCID: PMC3183446; DOI: 10.1111/j.1477-2574.2011.00341.x;

Katz SC, Ryan K, Ahmed N, Plitas G, Chaudhry UI, Kingham TP, Naheed S, Nguyen C, Somasundar P, Espat NJ, Junghans RP, Dematteo RP. Obstructive jaundice expands intrahepatic regulatory T cells, which impair liver T lymphocyte function but modulate liver cholestasis and fibrosis. J Immunol. 2011 Aug 01; 187(3):1150-6.View Related Profiles.

Espat, Nocif
Somasundar, Ponnandai
Katz, Steven

PMID: 21697460; PMCID: PMC3372324; DOI: 10.4049/jimmunol.1004077;

Boutros C, Somasundar P, Razzak A, Helton S, Espat NJ. Omega-3 fatty acids: investigations from cytokine regulation to pancreatic cancer gene suppression. Arch Surg. 2010 Jun; 145(6):515-20.View Related Profiles.

Espat, Nocif
Somasundar, Ponnandai

PMID: 20566969

Boutros C, Espat NJ, Somasundar P. Completely laparoscopic subtotal pancreatectomy with splenic artery preservation. J Gastrointest Surg. 2010 Jan; 14(1):171-4.View Related Profiles.

Espat, Nocif
Somasundar, Ponnandai

PMID: 19727972

Boutros C, Somasundar P, Espat NJ. Extrahepatic cholangiocarcinoma: current surgical strategy. Surg Oncol Clin N Am. 2009 Apr; 18(2):269-88, viii.View Related Profiles.

Espat, Nocif
Somasundar, Ponnandai

PMID: 19306812

Boutros C, Somasundar P, Garrean S, Saied A, Espat NJ. Microwave coagulation therapy for hepatic tumors: review of the literature and critical analysis. Surg Oncol. 2010 Mar; 19(1):e22-32.View Related Profiles.

Espat, Nocif
Somasundar, Ponnandai

PMID: 19268571

Somasundar P, Boutros C, Helton WS, Espat NJ. Evaluation of a bipolar radiofrequency device for laparoscopic hepatic resection: technique and clinical experience in 18 patients. HPB (Oxford). 2009 Mar; 11(2):145-9.View Related Profiles.

Espat, Nocif
Somasundar, Ponnandai

PMID: 19590639; PMCID: PMC2697884; DOI: 10.1111/j.1477-2574.2009.00026.x;

Yi B, Somasundar P, Espat NJ. Novel laparoscopic bipolar radiofrequency energy technology for expedited hepatic tumour ablation. HPB (Oxford). 2009 Mar; 11(2):135-9.View Related Profiles.

Espat, Nocif
Somasundar, Ponnandai

PMID: 19590637; PMCID: PMC2697874; DOI: 10.1111/j.1477-2574.2008.00024.x;

Boutros C, Somasundar P, Espat NJ. Low common bile duct bifurcation incidentally discovered during pancreaticoduodenectomy. J Gastrointest Surg. 2009 Nov; 13(11):2092-3.View Related Profiles.

Espat, Nocif
Somasundar, Ponnandai

PMID: 19184611

Somasundar P, Espat J. Combined major hepatectomy and pancreaticoduodenectomy for biliary cancer: challenging procedure in the most experienced centers. World J Surg. 2008 Jun; 32(6):1075-6. PMID: 18330629

Somasundar P, Gass J, Steinhoff M, Koeliker S, Dizon D, Cady B, Taneja C. Role of ultrasound-guided axillary fine-needle aspiration in the management of invasive breast cancer. Am J Surg. 2006 Oct; 192(4):458-61. PMID: 16978949

Frankenberry KA, Skinner H, Somasundar P, McFadden DW, Vona-Davis LC. Leptin receptor expression and cell signaling in breast cancer. Int J Oncol. 2006 Apr; 28(4):985-93. PMID: 16525650

Somasundar P, Riggs DR, Jackson BJ, McFadden DW. Inhibition of melanoma growth by hemocyanin occurs via early apoptotic pathways. Am J Surg. 2005 Nov; 190(5):713-6. PMID: 16226945

Somasundar P, Riggs DR, Jackson BJ, Cunningham C, Vona-Davis L, McFadden DW. Inositol hexaphosphate (IP6): a novel treatment for pancreatic cancer. J Surg Res. 2005 Jun 15; 126(2):199-203. PMID: 15919420

Frankenberry KA, Somasundar P, McFadden DW, Vona-Davis LC. Leptin induces cell migration and the expression of growth factors in human prostate cancer cells. Am J Surg. 2004 Nov; 188(5):560-5. PMID: 15546570

Somasundar P, Frankenberry KA, Skinner H, Vedula G, McFadden DW, Riggs D, Jackson B, Vangilder R, Hileman SM, Vona-Davis LC. Prostate cancer cell proliferation is influenced by leptin. J Surg Res. 2004 May 01; 118(1):71-82. PMID: 15093720

Somasundar P, McFadden DW, Hileman SM, Vona-Davis L. Leptin is a growth factor in cancer. J Surg Res. 2004 Feb; 116(2):337-49. PMID: 15013374

Somasundar PS, Mucha P, McFadden DW. The evolving management of blunt hepatic trauma in a rural setting. Am Surg. 2004 Jan; 70(1):45-8. PMID: 14964546

Somasundar P, Riggs D, Jackson B, Vona-Davis L, McFadden DW. Leptin stimulates esophageal adenocarcinoma growth by nonapoptotic mechanisms. Am J Surg. 2003 Nov; 186(5):575-8. PMID: 14599628

Somasundar P, Yu AK, Vona-Davis L, McFadden DW. Differential effects of leptin on cancer in vitro. J Surg Res. 2003 Jul; 113(1):50-5. PMID: 12943810

Yu A, Somasundar P, Povoski SP, McFadden DW. Pancreatic cancer in West Virginia: results from a rural academic medical center. W V Med J. 2002 Jul-Aug; 98(4):146-8. PMID: 12206067

Yu A, Somasundar P, Balsubramaniam A, Rose AT, Vona-Davis L, McFadden DW. Vitamin E and the Y4 agonist BA-129 decrease prostate cancer growth and production of vascular endothelial growth factor. J Surg Res. 2002 Jun 01; 105(1):65-8. PMID: 12069504

Yu A, Vona-Davis Z, Zhu X, Somasundar P, McFadden D. Persantine improves acute pancreatitis in vitro. W V Med J. 2001 Nov-Dec; 97(6):292-4. PMID: 11828675

Levy MF, Somasundar PS, Jennings LW, Jung GJ, Molmenti EP, Fasola CG, Goldstein RM, Gonwa TA, Klintmalm GB. The elderly liver transplant recipient: a call for caution. Ann Surg. 2001 Jan; 233(1):107-13. PMID: 11141232

Somasundar P, Krouse R, Hostetter R, Vaughan R, Covey T. Paragangliomas-- a decade of clinical experience. J Surg Oncol. 2000 Aug; 74(4):286-90. PMID: 10962462

This graph shows the total number of publications by year, by first, middle/unknown, or last author.

Bar chart showing 64 publications over 23 distinct years, with a maximum of 6 publications in 2009 and 2012 and 2024

Bar chart showing 64 publications over 23 distinct years, with a maximum of 6 publications in 2009 and 2012 and 2024

Year	Publications
2000	1
2001	2
2002	2
2003	2
2004	4
2005	2
2006	2
2008	1
2009	6
2010	1
2011	3
2012	6
2013	1
2014	2
2015	5
2016	3
2017	4
2018	2
2019	1
2020	3
2022	2
2023	3
2024	6

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401.456.2000

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