RESEARCH AND PUBLICATION

GI Oncology

Projects

  • Epidemiological and clinical study of Gastric Cancer: 1992
  • Epidemiological and clinical study of Gastric cancer : 1993
  • Retrospective and prospective preliminary study of the contribution of radiotherapy and cytotoxic chemotherapy to the short term responses and projected long term survivals in carcinoma of rectum : 1994
  • Studies on phenol associated environmental carcinogenesis in gastric carcinogenesis : 1994
  • Hospital based cancer related study on Gastric cancer in Madras: 1997
  • Study of surgical management of periampullarycarcinoma .
  • Prognostic factors in gastrointestinal stromal tumors: 2008
  • Factors predicting survival after pancreaticoduodenectomy for periampullary carcinoma – A retrospective analysis: 2010
  • Outcomes of surgery for rectal cancer after neoadjuvantchemoradiation: Comparison between open and laparoscopic surgery: 2010
  • Hospital based cancer related study on Gastric cancer in Madras: 1997
  • Study of surgical management of periampullarycarcinoma .
  • Prognostic factors in gastrointestinal stromal tumors: 2008
  • Factors predicting survival after pancreaticoduodenectomy for periampullary carcinoma – A retrospective analysis: 2010
  • Outcomes of surgery for rectal cancer after neoadjuvantchemoradiation: Comparison between open and laparoscopic surgery: 2010
  • Study of total mesorectal excision for rectal cancer : 2011
  • Impact of neoadjuvant therapy on the lymph node yield after surgery for rectal cancer: 2011
  • Clinico pathological features of young patients with rectal cancer and influence of clinical histological and treatment related factors on survival : 2014

Publications

  • 1.Ramakrishnan A S, Aravind R. Diaphragmatic hernia following surgery for esophageal malignancy- Report of two cases: Indian Journal of Thoracic and cardiovascular surgery 2007; 23: 275-277.
  • 2. Ranganath R, Ramakrishnan A S, Ayyappan A, Mahajan Vikas. Adenocarcinoid Tumors of the Gastrointestinal Tract: Case Report and Review of Literature: The Internet Journal of Surgery 2007; Volume 10, Number 1.
  • 3. Ramakrishnan A S, Mahajan V, Kannan R. Optimising local control in anorectal melanoma: Indian Journal of Cancer 2008; 45: 13-19.
  • 4. Ramkumar A, Ramakrishnan A S, Kathiresan N, Sateesan B. Risk factors for lymph node metastasis in clinically node negative penile cancer patients. International journal of Urology 2009:16 (4);383-386.
  • 5. Ramakrishnan Ayloor Seshadri, Urmila Majhi: Endobiliary metastasis from rectal cancer mimicking intrahepatic cholangiocarcinoma: A case report and review of literature. Journal of Gastrointestinal Cancer 2009: 40(3);123-127.
  • 6. Ramakrishnan Seshadri, Ritesh Tapkire, Urmila Majhi, Selvaluxmy Ganesharajah Colonic metastasis from primary squamous cell carcinoma of the cervix. The Internet Journal of Oncology 2009 Volume 6 Number 2
  • 7. Ramakrishnan A Seshadri, Rejiv Rajendranath: Neoadjuvant imatinib in locally advanced gastrointestinal stromal tumors. Journal of Cancer Research and Therapeutics October-December 2009; Volume 5, Issue 4: 263-267.
  • 8. Ramakrishnan A S, Vinay Gadigi: Prognostic factors for survival in carcinoma stomach with lymph node metastasis. Tropical Gastroenterology 2009;30(3) Suppl 3:S13-14 (abstract S2)
  • 9. Ramakrishnan A S, Rahul Agarwal, Vinay Gadigi. Postoperative morbidity and mortality following D2 gastrectomy- an audit of 400 cases. Tropical Gastroenterology 2009:30(3) Suppl 3:S16 (abstract S10).
  • 10. Ramakrishnan AS, Vikas M, Sridevi S, Shirley SS. Pulmonary metastasectomy for uterine malignant mixed mullerian tumor. Journal of Obstetrics and Gynecology of India 2010;60(1):77-78.
  • 11. Ramakrishnan AS, Kathiresan N. Does delay in lymphadenectomy alone influence the survival in carcinoma penis? Indian Journal of Cancer 2010;47:352.
  • 12. Ramakrishnan A S. Laparoscopic versus open surgery for rectal cancer after neoadjuvant chemoradiation- a non-randomized comparative study. Tropical Gastroenterology 2010:31(3) Suppl 1:S32 (abstract C9).
  • 13. Ramakrishnan A S, Shirley SS. Primary gastric malignant melanoma: a diagnostic dilemma. Tropical Gastroenterology 2010:31(3) Suppl 1:S21 (abstract S2).
  • 14. Ramakrishnan A S, Majhi U. Liver metastasectomy after neoadjuvant chemotherapy in carcinoma colon: a word of caution. Tropical Gastroenterology 2010:31(3) Suppl 1:S36 (abstract L2).
  • 15. Rajkumar T, Vijayalakshmi N, Gopal G, Sabitha K, Shirley SS, Ramakrishnan AS. Identification and validation of genes involved in gastric tumorigenesis. Cancer Cell International 2010, Nov 24;10(1):45 doi:10.1186/1475-2867-10-45
  • 16. Shirley SS, Urmila M, Senthil Kumar AC, Ramakrishnan A S, Suresh DK, Kathiresan N. Metastatic malignant melanoma of the small bowel- report of two cases. Journal of Gastrointestinal Cancer 2012;43:332-35. DOI: 10.1007/s12029- 010-9180
  • 17. Anand Raja, Ramakrishnan A S. Lymphangitis carcinamatosa: Report of a case and review of literature. Indian Journal of Surgical Oncology 2010,1(3):274-276 (DOI: 10.1007/s13193-011-0047-9)
  • 18. Sunil BJ, Ramakrishnan A S, Ritesh T. Signet ring cell histology and non- circumferential tumors predict pathological complete response following neoadjuvant chemoradiation in rectal cancers. International Journal of Colorectal Diseases 2011;26(1):23-27.
  • 19. Sanju C, Ramakrishnan A S, Arun W, Sagar TG. Hepatoblastoma: analysis of treatment outcome from a tertiary care center. Journal of Indian Association of Pediatric Surgeons 2011;16(1):11-14.
  • 20. Ramakrishnan A S, Shirley SS, Ranganath R. Synchronous jejunal gastrointestinal stromal tumor and primary adenocarcinoma of the colon. Indian Journal of Surgery 2012;74:196-98. DOI: 10.1007/s12262-011-0236-3.
  • 21. Ramakrishnan AS, Sunil BJ, Rama R. Prognostic factors in patients with node- negative gastric cancer: an Indian experience. World Journal of Surgical Oncology 2011,9:48 doi: 10-1186/1477-7819-9-48
  • 22. Ramakrishnan A Seshadri. Complete clinical respsonse following neoadjuvant chemoradiation for rectal cancers: can surgery be avoided? Annals of Oncology 2011:22 (suppl 5); v133 (abstract-0410)
  • 23. Ramakrishnan A Seshadri, Ayyappan S, Ritesh T, Swaminathan R. Laparoscopic versus open surgery for rectal cancer after neoadjuvant chemoradiation: a matched case-control study of short-term outcomes. Surgical Endoscopy 2012,26:154-16. DOI: 10.1007/s00464-011-1844-5.
  • 24. Ramakrishnan Ayloor Seshadri, Siddappa KT, Venktesh V. Modified technique of esophagojejunostomy without a purse-string suture. Indian Journal of Surgical Oncology 2011,2(3):189-192
  • 25. Shirley S, Urmila M, Ramakrishnan A S, Sagar TG. Multifocal histiocytic sarcoma of the gastrointestinal tract. Indian Journal of Pathology Microbiology 2012,55(2):233- 235
  • 26. Chandrasekar SK, Seshadri RA, Majhi U. Liver metastasectomy after neoadjuvant chemotherapy in colorectal cancer: a word of caution. Indian Journal of Cancer 2013;15(1) DOI:10.4103/0019-509X.112319
  • 27. Ramakrishnan A S,Satish SK, Sunil BJ, Alexander J, Rejiv R, Vasanthan A, Hemanth Raj E, Sagar TG. Complete clinical response to neoadjuvant chemoradiation in rectal cancer: can surgery be avoided? Hepatogastroenterology 2013 May 1;60:410-414
  • 28. Sivakumar M, Ramakrishnan A S, Sunil BJ. Jejunojejunal intissusception: an unusual complication after feeding jejunostomy. Indian Journal of Surgical Oncology 2013;4:383-4 DOI. 10.1007/s13-193-013-0271-6.
  • 29. Kanchan Murhekar, A Seshadri Ramakrishnan, Balaji Ramani, B Jayanand Sunil, Urmila Majhi. Solid pseudo-papillary tumor of pancreas: A rare case report and review of Indian literature. Journal of Cancer Research and Therapeutics 2013; 9:507-510. DOI: 10.4103/0973-1482.119364
  • 30. Ramakrishnan A Seshadri, Saurab Gupta. Complete radiological and metabolic response of colorectal liver metastasis after neoadjuvant chemotherapy: to resect or not? Indian Journal of Surgical Oncology 2014;5(3):208-210 DOI 10.1007/s13193- 014-0330-7
  • 31. Mayank P, Ramakrishnan A S. Squamous cell carcinoma of the rectum: is chemoradiation sufficient? Journal of Cancer Research and Therapeutics Epub ahead of print 31.10.14
  • 32. Ramakrishnan A S, Olivier Glehen. Cytoreductive surgery and hyperthermic intraperitoneal chemotherapy in gastric cancer. World Journal of Gastroenterology (accepted for publication)
  • 33. Deepak Damodaran, Ramakrishnan A S. Clinicopathological attributes and outcomes of treatment inyoung-onset rectal cancer. International Journal of Colorectal Disease e-pub ahead of print. DOI 10.1007/s00384-015-2266-y
  • 34. Sunil BJ, Ramakrishnan A S, Hemanth Raj E, Vikas M. Postoperative Morbidity and Mortality Following D2 Gastrectomy-an Audit of 456 Cases. Indian J Surg Oncol (e- pub ahead of print) DOI 10.1007/s13193-015-0440-x

Trials

  • A prospective pilot study comparing extralevator versus standard abdominoperineal excision in low rectal cancer (Recruitment completed).
  • Peritonectomy and HyperthermicIntraperitoneal chemotherapy (HIPEC) in Colorectal cancer (Recruitment ongoing).
  • INNOVA trial- Neoadjuvant versus interval chemotherapy in high risk low rectal cancers (Recruitment to be started).