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).