Publications

International:

  • Microsatellite instability in north Indian colorectal cancer patients and its clinicopathological correlation. Alka Yadav, Ashok Kumar, N Rastogi ,MH  Siddiqui. S Afr J Surg 2022, March 60(1): 22-27
  • Colorectal cancer: Artificial intelligence and its role in Surgical Decision making . Gosh NK, Kumar Ashok. Artif Intell Gastroenterol. Apr 28, 2022; 3(2): 36-45
  • Detection of circulating tumour cells (CTCs) in Colorectal cancer: Emerging techniques and its clinical implications. Alka Yadav, Ashok Kumar, MH  Siddiqui World J Clin Oncol. Dec 24, 2021; 12(12): 1169-1181[PMID: 35070736 DOI: 10.5306/wjco.v12.i12.1169
  • Surgical management of adenocarcinoma of the transverse colon: What should be the extent of resection? Roy MK, Pipara A, Kumar A. Ann Gastroenterol Surg. 2020 Jul 26;5(1):24-31. doi: 10.1002/ags3.12380. PMID: 33532677; PMCID: PMC7832969.
  • Stapled Haemorrhoidopexy: Comorbidities and Outcome (2020). Kumar A., Malage, S., & Nachiappan, M.   Asian Journal of Research and Reports in Gastroenterology, 4(2), 6-13. 
  • Updates on “Cancer Genomics and Epigenomics”. Sharma A, Sharma KL, Bansal C, Kumar A.  World J Clin Oncol. 2020 Nov 24;11(11):890-897. doi: 10.5306/wjco.v11.i11.890. PMID: 33312884; PMCID: PMC7701914.3. 
  • Young Age Colorectal Cancer, Family History of Cancer and Molecular Profiling- A Case Series of 5 Patients. Yadav Alka, Kumar Ashok, Kumari Niraj.  J of Medical Research and Case Report. 2019;1(2)
  • Management of residual gall bladder: A 15-year experience from a north Indian tertiary care centre;  A Singh, A Kapoor, R K Singh, A Prakash, A Behari, A Kumar, V K Kapoor, R Saxena. Ann Hepatobiliary Pancreat Surg 2018;22:36-41. 10.14701/ahbps.2018.22.1.36. PMID: 29536054, [Citations=14]
  •  Indian consensus on chronic constipation in adults: A joint position statement of the Indian Motility and Functional Diseases Association and the Indian Society of Gastroenterology. Ghoshal UC, Sachdeva S, Pratap N, Verma A, Karyampudi A, Misra A, Abraham P, Bhatia SJ, Bhat N, Chandra A, Chakravartty K, Chaudhuri S, Chandrasekar TS, Gupta A, Goenka M, Goyal O, Makharia G, Mohan Prasad VG, Anupama NK, Paliwal M, Ramakrishna BS, Reddy DN, Ray G, Shukla A, Sainani R, Sadasivan S, Singh SP, Upadhyay R, Venkataraman J. Indian J Gastroenterol. 2018 Nov;37(6):526-544. doi: 10.1007/s12664-018-0894-1. Epub 2019 Jan 8. PMID: 30617919; PMCID: PMC6339668. [Citations=11]
  • HER2 Oncogene Amplification and Immunohistochemical Profiling in Gastric Adenocarcinoma. Raj N, Verma D, Kumar A, Rai P, Rao RN.  Discoveries (Craiova). 2018 Dec 31;6(4):e83. doi: 10.15190/d.2018.6. PMID: 32309603; PMCID: PMC7086066.[Citations=2]
  • Prognostic significance of Membrane  Associated Epidermal  Human  Epidermal Growth Factor receptor 2 in Gastric Adenocarcinoma. Raj Nisha, Verma Divya, Kumar Ashok, Rai Praveer, Rao RN. World Journal of Pharmaceutical Research 2018, 7(4) 900-914 [Citations=1]
  • Association of TERT-CLPTM1L and 8q24 Common Genetic Variants with Gallbladder Cancer Susceptibility and Prognosis in North Indian Population.; Yadav S, Chandra A, Kumar A, Mittal B. Biochem Genet. 2018 Aug;56(4):267-282. doi: 10.1007/s10528-018-9843-z. Epub 2018 Feb 15.PMID:29450669, [Citation=4]
  • Gastrointestinal Cancers: Molecular Genetics and Biomarkers. Sharma KL, Bhatia V, Agarwal P, Kumar A. Can J Gastroenterol Hepatol. 2018 Oct 18;2018:4513860. doi: 10.1155/2018/4513860.eCollection 2018.PMID:30941325, [Citations=6]
  • Pattern of Mismatch Repair Protein loss and its clinicopathological correlation in Colorectal cancer in North India; A Kumar, M Jain, R Saxena, A Yadav, N Kumari, N Krishnani ; S Afr J Surg 2018;56(1) 25-29 PMID: 29638089[Citation=5] 
  • Association of TERT-CLPTM1L and 8q24 common Genetic Variants with Gallbladder Cancer Susceptibility and Prognosis in North Indian Population. Yadav S, Chandra A, Kumar A, Mittal B. Association of TERT-CLPTM1L and 8q24  Biochem Genet. 2018 Aug;56(4):267-282. doi: 10.1007/s10528-018-9843-z. Epub 2018 Feb 15. PMID: 29450669.  [Citation=4]
  • Mutational frequency of KRAS, NRAS, IDH2, PIK3CA, and EGFR in Gallbladder cancer. Aarti Sharma, Ashok Kumar, Niraj Kumari, Narendra Krishnani, Neeraj Rastogi ( E cancer) Ecancermedicalscience. 2017 Aug 7;11:757. doi: 10.3332/ecancer.2017.757. eCollection 2017 PMID: 28900470, [Citation=7]
  • Genome-wide Copy Number profiling in Gallbladder Carcinoma -A study from north India. Aarti Sharma, Ashok Kumar, Niraj Kumari, Narendra Krishnani, Neeraj Rastogi (Metagene) (https://doi.org/10.1016/j.mgene.2017.07.009
  • Retrorectal Tumor Presenting As A Perianal Fistula: A Report of Two Cases And Review Of The Literature; Ashok Gupta, Ajit Kumar Mishra, and Abishek Rajan, World Journal of ColorectalSurgery.2017  http://services.bepress.com/cgi/viewcontent.cgi?article=1263&context=wjcs
  • Role of cholescinitigraphy with SPECT-CT in detecting bronchobiliary fistula-unusual complication of a common disease. Mudalsha Ravina,  Ajit Kumar Mishra , Abishek Rajan , Narvesh Kumar, Ashok Kumar, Sanjay Gambhir; World Journal of Nuclear Medicine. 2018 http://www.wjnm.org/aheadofprint.asp
  • Gallbladder cancer epidemiology, pathogenesis and molecular genetics: recent update; Aarti Sharma, Kiran Lata Sharma, Annapurna Gupta, Alka Yadav, Ashok Kumar; World J Gastroenterol 2017 June 14; 23(22): 0000-0000; World J Gastroenterol 2017, 23 volume 22 issue. PMID: 2865265, [Citations=164]
  • Targeted Gene Sequencing of Gallbladder Carcinoma Identifies High-impact Somatic and Rare Germline Mutations; Saurabh Yadav, Navonil De Sarkar, Niraj Kumari, Narendra Krishnani ,Ashok Kumar and Balraj Mittal; cancer genomics & proteomics 14: 495-506 (2017) PMID: 29109099, [Citations=17]
  • Mirizzi’s syndrome: lessons learnt from 169 patients at a single center. Kumar A, Senthil G, Prakash A, Behari A, Singh RK, Kapoor VK, Saxena R. Korean J Hepatobiliary Pancreat Surg. 2016 Feb;20(1):17-22. doi: 10.14701/kjhbps.2016.20.1.17.  PMID:26925146, [Citations=47]
  • Gastrointestinal Stromal Tumor: Genotype Frequency and Prognostic Relevance. Kumari N, Priyaa V, Shukla P, Kumar A, Aggarwal R, Krishnani N. Appl Immunohistochem Mol Morphol. 2016 Jun 2. [Epub ahead of print] PMID: 27258566, [Citations=5]
  • Anticipatory extended cholecystectomy: the ‘Lucknow’ approach for thick wall gall bladder with low suspicion of cancer. Kapoor VK, Singh R, Behari A, Sharma S, Kumar A, Prakash A, Singh RK, Kumar A, Saxena R. Chin Clin Oncol. 2016 Feb;5(1):8. doi: 10.3978/j.issn.2304-3865.2016.02.07  PMID: 26932432, [Citations=10] 
  • A Multiple Interaction Analysis Reveals ADRB3 as a Potential Candidate for Gallbladder Cancer Predisposition via a Complex Interaction with Other Candidate Gene Variations. Rai R, Kim JJ, Misra S, Kumar A, Mittal B. Int J Mol Sci. 2015 Nov 25;16(12):28038-49. doi: 10.3390/ijms161226077. PMID: 26602921, [Citations=15]
  • Association of cancer stem cell markers genetic variants with gallbladder cancer susceptibility,prognosis and survival Anu Yadav, Annapurna Gupta, Neeraj Rastogi, Sushma Agarwal, Ashok kumar,Vijay Kumar, Balraj Mittal Tumor Biol.2015. DOI 10.1007/s13277-015-3929-6. PMID:26318430, [Citations=21] 
  • Evaluation of miR-27a, miR-181a and miR-570 Genetic variants with gallbladder cancer susceptibility and treatment outcome in north Indian population. Annapurna Gupta, Aarti Sharma, Anu Yadav,Neeraj Rastogi, Sushma Agarwal, Ashok Kumar, Vijay Kumar, Sanjeev Mishra,Balraj Mittal, Mol Diagn Ther (2015) 19:317–327 DOI 10.1007/s40291-015-0159-y PMID: 26288960, [Citations=12]
  • A multigenic approach to evaluate genetic variants of PLCE1, LXRs, MMPs, TIMP, and CYP genes in gallbladder cancer predisposition. Sharma KL, Rai R, Srivastava A, Sharma A, Misra S, Kumar A, Mittal B.  Tumour Biol. 2014 May 27. [Epub ahead of print]  PMID: 24863943, [Citations=21]
  • CYP17 polymorphism (rs743572) is associated with increased risk of gallbladder cancer in tobacco users. Rai R, Sharma KL, Misra S, Kumar A, Mittal B.  PLoS One. 2014 Feb 28;9(2):e90264. doi: 10.1371/journal.pone.0090264.eCollection 2014. PMID:24587306, [Citations=25] 
  • Association of adrenergic receptor gene polymorphisms in gallbladder cancer     susceptibility in a North Indian population. Rai R, Sharma KL, Misra S, Kumar A, Mittal B. J Cancer Res Clin Oncol. 2014 May;140(5):725-35. doi: 10.1007/s00432-014-1621-7. Epub 2014 Feb 21.PMID:24556804, [Citations=10]
  • Association of genetic variants of cancer stem cell gene CD44 haplotypes with gallbladder cancer susceptibility in North Indian population. Sharma KL, Yadav A, Gupta A, Tulsayan S, Kumar V, Misra S, Kumar A, Mittal B.  Tumour Biol. 2014 Mar;35(3):2583-9. doi: 10.1007/s13277-013-1340-8. Epub 2013 Nov 5. PMID: 24186075. PMID: 24186075,  [Citations=27]
  • Risk factors for development of biliary stricture in patients presenting with bile leak after cholecystectomy. Lokesh HM, Pottakkat B, Prakash A, Singh RK, Behari A, Kumar A, Kapoor VK, Saxena R. Gut Liver. 2013 May;7(3):352-6. doi: 10.5009/gnl.2013.7.3.352. Epub 2013 May 13. PMID: 23710318, [Citations=11]
  • DCC (Deleted in Colorectal Carcinoma)Gene Variants confer Increased Susceptibility to Gallbladder Cancer; Rajani Rai,Kiran L Sharma, Swati Tiwari, Sanjeev Mishra, Ashok Kumar, Balraj Mittal Gene 2013 Apr 15;51892:303-9. PMID: 23353777, [Citations=23]
  • Association of potentially functional genetic variants of PLCE1 with gallbladder cancer susceptibility in North Indian population; Sharma KL, Omar M, Pandey M, Misra S, Kumar V, Kumar A, Mittal B J Gastrointest Cancer 2013 Dec;44(4):436-43. doi: 10.1007/s12029-013-9537-z. PMID: 23975622, [Citations=17]
  • Association of Liver X receptors (LXRs) Genetic Variants to Gallbladder cancer susceptibility;  Sharma KL, Misra S, Kumar A, Mittal B Tumour Biol. 2013 Jul 11. PMID: 23838803, [Citations=17]
  • PSCA Gene Variants (rs2294008 and rs2978974) Confer Increased Susceptibility of Gallbladder Carcinoma in Females  Rai R, Sharma KL, Misra S, Kumar A, Mittal B (Gene. 2013 Aug 26. doi:pii: S0378-1119(13)01101-3.10.1016/j.gene.2013.08.058. [PMID: 23988503], [Citations=26]
  • Evaluation of a prospective strategy of extended resection to achieve R0 status in galbladder cancer; Biju Pottakkat   ,  Abhimanyu Kapoor , Anand Prakash , Rajneesh K Singh,  Anu Behari , Ashok Kumar, Vinay K Kapoor , Rajan Saxena Journal of Gastrointestinal Cancer 2013,Marc;44(1):33-40.PMID: 22987147,. [Citations=4]
  • Successful outcome of refractory chronic constipation by surgical treatment: A series of 34 patients. Ashok kumar, HM Lokesh,UC Ghoshal J NeuroGastroenterol Motil, Vol 19, No.1 January, 2013. PMID: 23350051, [Citations=16]
  • Cytomorphology of gastrointestinal Stromal tumors and extra-gastrointestinal stromal tumors: A comprehensive morphologic study; Mukul Viz, Vinita Agrawal, Ashok Kumar, Rakesh Pandey Journal of Cytology 2013, Jan ;30(1) 8-12. PMID: 23661933, [Citations=28]
  • High risk of Matrix metalloproteinase (MMP-2,7,9) and Tissue inhibitor of Metalloproteinase (TIMP-2) genetic variants to gallbladder cancer; Sharma kiran, Misra Sanjeev, Kumar Ashok, Mittal Balraj Liver International 2012, PMID: 22621753, [Citations=54]
  • Cancer of the rectum: Indian scenario 2010-11 Ashok kumar,  Madhavan  Pillai, OERC, 2012.https://lovedoc.org/the-philosophy-of-money.html?utm_source=cancer-of-the-rectum-indian-scenario-2010-11
  • Reoperation following Pancreaticoduodenectomy. Reddy JR, Saxena R, Singh RK, Pottakkat B, Prakash A, Behari A, Gupta AK, Kapoor VK.  Int J Surg Oncol. 2012;2012:218248. doi: 10.1155/2012/218248. Epub 2012 Sep 12. PMID: 23008765; PMCID: PMC3447361.39. [Citations 23]
  • Gallbladder Cancer Predisposition: A Multigenic Approach to DNA –Repair, Apoptotic  and Inflammatory   Pathway  Genes; Srivastava, Kshitij, Srivastava  Anvesha, Kumar Ashok, Mittal Balraj PLos one , 6(1), January 2011, e 16449. PMID: 21283657. [Citations=29]
  • Post-endoscopic retrograde cholangiopancreatography perforation managed by surgery or percutaneous drainage. Krishna RP, Singh RK, Behari A, Kumar A, Saxena R, Kapoor VK Surg Today. 2011 May; 41(5):660-6. Epub 2011 May 1. PMID: 21533938,[Citations=39]
  • Malignant Pancreatic Extra-Gastrointestinal Stromal Tumor Diagnosed by Ultrasound Guided Fine Needle Aspiration Cytology: A case report with Review of literature; Ram Naval Rao, Mukul Viz, Nidhi Singla, Ashok Kumar Journal of Pancreas. 12 (3),283-86, May 06,2011. PMID: 21546710, [Citations=26]
  • Anterior Resection for Carcinoma Rectum- Risk factors for Anastomotic leak and stricture. Ashok Kumar, Ram Daga, Paari Vijayaragavan, Anand Prakash, Rajneesh Kumar Singh, Anu, Behari, Vinay K Kapoor, Rajan Saxena World J Gastroenterol, 17(11),1475-79, March 21, 2011. PMID: 21472107,[Citations=67]
  • Capsule  Endoscopy for obscure gastrointestinal bleeding in the tropics:  Report from India; Ghoshal UC, Lakshmi CP, Kumar Sunil, ,Das Kshaunish, Mishra Asha, Rai Praveer, Mohindra Sameer, Saraswat Vivek, Kumar Ashok, Choudhuri Gourdas Digestive Endoscopy .2011 ; 23’17-23. PMID: 21198912, [Citations=26]
  • Incidence, Pattern And Management of Bile Duct Injuries During Cholecystectomy:  Experience from a Single centre; Biju Pottakkat, Ranjit Vijayahari,   Anand Prakeash,  Rajneesh K. Singh, , Anu Behari , Ashok Kumar, Vinay K. Kapoor,  Rajan Saxena Dig Surg 2010 Oct 13;27(5):375-379. PMID: 20948214, Citations=24]
  • Significant association between Toll-like receptor (TLR) gene polymorphisms and gallbladder cancer; Kshitij Srivastava, Anvesha Srivastava, Ashok Kumar, Balraj Mittal  Liver International 2010, Aug ;(30) 7: 1067-72. PMID: 20492496, [Citations=66]
  • Factors Predicting Failure following high bilioenteric anastomosis for post    cholecystectomy Benign Biliary Stricture;  Biju Pottakkat, Ranjit Vijayahari,   Anand Prakeash,  Rajneesh K. Singh, , Anu Behari , Ashok Kumar, Vinay K. Kapoor,  Rajan Saxena J Gastrointest Surg . 2010, 14; 1389-1394. PMID: 20589447, [Citations=39]
  • Tuberculosis of the spleen as a cause of fever of unknown origin and splenomegaly; B Pottakkat, Ashok Kumar, N Krishnani, VK kapoor, R Saxena Gut and Liver 2010 Mar; Volume 4, Issue 01, Pages 94~97 PMID: 20479918, [Citations=26]
  • Functional Polymorphisms of Cyclooxygenase (PTGS2) gene and Risk for Gallbladder Cancer in North Indian Population. Srivastava K, Srivastava A, Pandey SN, Kumar A, Mittal B J Gastroenterol. 2009; 44(7):774-80. PMID: 19455278, [Citations=30]
  • Surgical management of patients with post-cholecystectomy benign biliary stricture complicated by atrophy–hypertrophy complex of the liver; Biju Pottakkat, Ranjit Vijayahari, Koteswara V. Prasad, Sadiq S. Sikora, Anu Behari, Rajneesh K. Singh, Ashok Kumar, Rajan Saxena & Vinay K. Kapoor  HPB, 2009 March,issue( 2); 125-129. PMID:19590635,  [Citations=16]
  • Resectional Surgery in Achalasia Cardia. Avinash Kumar Tank, Ashok Kumar,  T.L.V.D. Prasad Babu, Rajneesh Kumar Singh, Rajan  Saxena,Vinay Kumar Kapoor  international Journal of Surgery, 2009,(7)  155-158; PMID: 19264566,[Citations=16]
  • Xanthogranulomatous inflammatory strictures of extrahepatic biliary tract: presentation and surgical management. Krishna RP, Kumar A, Singh RK, Sikora S, Saxena R, Kapoor VK. J Gastrointest Surg. 2008 May;12(5):836-41. Epub 2008 Feb 12. PMID: 18266047, [Citations=52]
  • Liver histology in benign biliary stricture: fibrosis to cirrhosis and reversal? Sikora SS, Srikanth G, Agrawal V, Gupta RK, Kumar A, Saxena R, Kapoor VK. J Gastroenterol Hepatol. 2008 Dec;23(12):1879-84. PMID: 19120875, [Citations=33]
  • Genetic susceptibility of epidermal growth factor +61A>G and transforming growth factor beta1 -509C>T gene polymorphisms with gallbladder cancer; M Vishnoi,SN Pandey, DR Modi, Ashok Kumar, B Mittal  Hum immunol.2008 Jun;69(6):360-7. PMID:18571008, [Citations=48]
  • Do TNFA -308 G/A and IL6 -174 G/C gene polymorphisms modulate risk of gallbladder cancer in the north Indian population? Vishnoi M, Pandey SN, Choudhury G, Kumar A, Modi DR,MittalB.AsianPacJCancer Prev.2007 Oct-Dec;8(4):567-72. PMID: 18260730.
  • Post-cholecystectomy biliary strictures: not always benign. Sharma A,  Behari A, Sikora SS, Kumar A, Saxena R, Kapoor VK. J Gastroenterol Hepatol. 2008 Jul;23(7 Pt 2):e63-6. Epub 2007 Jul 20; PMID: 17645469, [Citations=11]
  • Management of complicated choledochal cysts  Richa Lal, Shaleen Agarwal, Rakesh Shivhare, Ashok Kumar, Sadiq S Sikora,Vinay K Kapoor, Rajan Saxena. Digestive Surgery. 2007:24 (6) 456-62; PMID: 18057892, [Citations=43]
  • Recurrent bile duct strictures- Causes and  long term results of surgical management  Pottakkat B, Sikora SS, Kumar A etal. J Hepatobiliary Pancreat Surg .2007;14(2):171-6; PMID:17384909 [Citations=60]
  • Post cholecystectomy benign biliary strictures- Long term result; Sikora SS, Pottakkat B, Srikanth G , Ashok kumar, et al.  Digestive surgery. 2006; 23(5-6);304-12; PMID: 17164542, [Citations=96]
  • Laparoscopic staging in gall bladder cancer. Agrawal S, Sonawane RN, Behari A, Kumar A, Sikora SS, Saxena R, Kapoor VK. Digestive Surgery 2006; 22: 440-445. PMID: 16479113, [Citations=38]
  • External pancreatic fistula as a sequel to management of acute severe necrotising pancreatitis. Sikora SS, Khare R, Srikanth G, Kumar A, Saxena R, Kapoor VK.  Digestive Surgery 2006; 22: 446-452. PMID:2597965, [Citations=40]
  • Long-term survival and recurrence patterns in ampullary cancer. Balachandran P, Sikora SS, Kapoor S, Krishnani N, Kumar A, Saxena R, Kapoor VK Pancreas. 2006 May; 32(4):390-5. PMID:16670621, [Citations=63]
  • Predictors of long-term survival in patients with gallbladder cancer.  Balachandran P, Agarwal S, Krishnani N, Pandey CM, Kumar A, Sikora SS, Saxena  R, Kapoor VK.  J Gastrointest Surg. 2006 Jun;10(6):848-54.,[Citations=71]
  • Redifining  the role of Spenectomy for undiagnosed splenomegaly; B Pottakkat, R Kashyap, A Kumar, SS Sikora, R saxena, VK Kapoor ANZ J Surg ,2006 Aug;76(8) 679-82; PMID:16916382,[Citations=21]
  • Mirizzi syndrome and gallbladder carcinoma: TLVD Prasad, A Kumar, SS Sikora, R Saxena, VK Kapoor J Hepatobiliary Pancreat Surg, 2006;13(4): 323- 6 PMID: 16858544, [Citations=68]
  • An audit of postoperative radiotherapy after noncurative resection of the oesophagus; S Kumar, K Dimri, P Balachandran, A Kumar, P Lal,SS Sikora, N Rastogi, R Saxena, NR Datta,S Ayyagari, VK Kapoor Clin Oncol(R Coll Radiol). 2005 Aug;17(5): 352-7 PMID: 16097566, [Citations=2]
  • Type IV –Choledochal cysts: A challenge; R Lal, S Agarwal, R Shivhare, A Kumar, SS Sikora, R Saxena, VK  Kapoor J Hepatobiliary Pancreat Surg.2005; 12(2): 129-134 PMID: 15868076, [Citations=42]
  • Extrahepatic portal venous obstruction and obstructive jaundice: Approach to management; Ritu khare, SS Sikora, G Srikanth, G Choudhuri, VA Saraswat, A kumar, R Saxena, VK Kapoor J Gastroenterol Hepatol.2005 Jan;20(1):56-61; PMID: 15610447, [Citations=58]
  • Adjuvent Chemo-radiotherapy in ampullary cancers. SS Sikora,P Balachandran,K Dimri, N Rastogi, A Kumar, R Saxena, V K kapoor Eur J Surg Oncol. 2005 Mar;31(2)  158-63; PMID: 15698732, [Citations=84]
  • Should laparoscopic Cholecystectomy be performed in patients with thick walled gallbladder; G Srikanth, A Kumar, Ritu Khare, L Siddappa, A Gupta, SS Sikora, R Saxena, VK kapoor  J  Hepatobiliary Pancreat Surg .2004;11(1):40-4; PMID: 15754045,[Citations=36]
  • Haemorrhagic Complication of pancreaticoduodenectomy. P Balachandran, SS Sikora, Raghavendra Rao, A Kumar, Saxena R, VK Kapoor ANZ, J Surg 2004, Nov 74(11):945-50; PMID:15550080, [Citations=89]
  • Evaluation of bilioenteric anastomosis using quantitative hepatobilizary sciintigraphy; A Sarakari, S Gambhir, SS Sikora, A Kumar, R Saxena, VK Kapoor Hepatogastroenterology. 2004,Sep-Oct;51(59):1267-70 ; PMID: 15362729, [Citations=2]
  • Hilar Benign Biliary stricture: Need for subclassification SS Sikora, G Srikanth,A Sarkari, A Kumar, R Saxena, VK Kapoor ANZ J Surg 2003 Jul ;73(7):484-8; PMID: 12864821, [Citations=25]
  • Long term survival after extended resections in patients with gallbladder cancer; Anu Behari,SS Sikora,GD Wagholikar, A Kumar, Saxena R , VK Kapoor J Am Coll Surg.2003 Jan;196(1);82-8; PMID: 12517555, [Citations=80]
  • Pancreatic abscess:10 years experience. G Srikanth,SS Sikora, SS Baijal, A Ayyagiri, A Kumar, R Saxena,VK Kapoor ANZ J Surg 2002 Dec ;72(12):881-6; PMID: 12485225,[Citations=31]
  • Early gallbladder Cancer. GD Wagholikar, A Behari, N Krishnani, Ashok Kumar, SS Sikora, R Saxena, VK Kapoor. J Am Coll Surg 2002 Feb;194(2):137-41; PMID: 11848630, [Citations=129]
  • Determinants of Pancreaticoentericanastomoticleak following pancreaticoduodenectomy. S Srivastava, SS Sikora, CM Pandey, Ashok Kumar, R Saxena, VK Kapoor. ANZ J Surg 2001 Sep; 71(9): 511-5. PMID: 11527259, [Citations=50]
  • Outcome following pancreaticoduodenectomy in patients undergoing preoperative biliary drainage. S.srivastava, S S Sikora, A Kumar, R Saxena, VK Kapoor Dig Surg 2001;18 (5):381-7; PMID: 11721113, [Citations=87]
  • Laparoscopic bile duct injuries: spectrum at a tertiary care center. SS Sikora, Ashok Kumar, NR Das, A Sarkari, R Saxena, VK Kapoor. J Laparoendosc Adv Surg Tech . 2001 Apr; 11(2); 63-8; PMID: 11327128, [Citations=29]
  • Immunological status of patients before and after laparoscopic cholecystectomy. Ashok Kumar, Sita Naik, VK Kapoor, SP Kaushik Min Invas Ther & Allied Technol 1996; 5: 476-80
  • Morbidity and mortality of laparoscopic cholecystectomy in an institutional set up. Ashok Kumar, M Thombare, SS Sikora, R Saxena, VK Kapoor, SP Kaushik J Laparoendosc Surg1996 Dec; 6(6): 393-7 PMID: 9025023, [Citations=16]
  • Laparoscopic cholecystectomy – can conversion be predicted? SS Sikora, Ashok Kumar, Rajan Saxena, VK Kapoor, SP Kaushik World J Surg 1995; 19: 858-60 PMID: 8553679, [Citations=73]
  • Colonic necrosis is an adverse prognostic factor in pancreatic necrosis. KV Ravindra, SS Sikora, Ashok Kumar, R Saxena, VK Kapoor, SP Kaushik Br J Surg 1995; 82: 109-10  PMID 7881925, [Citations=18]

National:

  • Immunohistochemical analysis of mismatch deficient repair gene expression in unselected colorectal cancer: An update of tertiary care centre of north India. Yadav A, kumar A, Kumari N, Siddiqui MH. Research Journal of Biotechnology 2022 ; 17(1) 135-41.
  • An Audit to study pain after laparoscopic cholecystectomy with the use of non-opioid analgesics’ Indian Journal of Pain S Sarkar, A Rastogi, R Haldar, A Kumar http://www.indianjpain.org on Friday, January 19, 2018, IP: 14.139.245.181, Indian Journal of Pain 31, no. 3 (2017): 170 [Citations=2]
  • Executive Summary-The association of Colon and Rectal Surgeons of India (ACRSI) Practice Guide lines for the management of Hemorrhoids-2016; Niranjan Agarwal, Kumkum Singh, Parvez Sheikh, Kushal Mittal, Varughese Mathai, Ashok Kumar; Indian Journal of surgery Dec. 2016; PMID: 28331268, [Citations=16]
  • Rectal Cancer: Changing Scenario; Ashok Kumar, Mayank Jain; Journal of UPASI, November 2016
  • Evaluation of biologic potential and risk stratification for predicting disease-free survival after resection of primary gastrointestinal stromal tumor: A multivariate clinicopathological study. Vij M, Agrawal V, Kumar A, Pandey R. Indian J Cancer. 2015 Jul-Sep;52(3):351-7. doi: 10.4103/0019-509X.176689.[PMID: 26905135] [Citations=3]
  • Gastrointestinal stromal tumors: a clinicopathological and immunohistochemical study of 121 cases. Vij M, Agrawal V, Kumar A, Pandey R. Indian J Gastroenterol. 2010 Nov;29(6):231-6. doi: 10.1007/s12664-010-0079-z. Epub 2011 Jan 11. PMID: 21221881. [Citations=42]
  • Colonic Transit time by radio-opaque markers to investigate refractory constipation; Validation of a new protocol for population with rapid gut transit; U C Ghoshal, Dinesh Gupta, Ashok Kumar, Asha Mishra; National Medical Journal of India; 2007:20 (5) 225-229 Ashok Kumar; The Journal of Colorectal Diseases; 2007: 22(1), 27-31 PMID: 18254516, [Citations=26]
  • Salvage Surgery for variceal bleed due to portal hypertension; Ajay Sharma, Paari Vijayaraghavan, Richa Lal, Anu Behari, A Kumar, R Saxena, VK Kapoor Indian Journal of Gastroenterology; 2007 Jan-Feb :26(10) 14-17 [Citations=26]
  • Bile leaks following surgery for hepatic hydatid., S Agarwal, SS sikora, A Kumar, R Saxena, VK Kapoor Indian J Gastroenterol. 2005 Mar-Apr;24(2):55-8 PMID: 18254516, [Citations=71]
  • Surgical Management of corrosive stricture of stomach., Agarwal S, Sikora SS, Kumar A, Saxena R, Kapoor VK Indian J Gastroenterol. 2004 Sept-Oct ;23(1) :178-80; PMID: 15599001, [Citations=56]
  • Morphological changes in bile duct following preoperative biliary Stent; GD Wagholikar,SS Sikora, R Pandey, KK Prasad, A Kumar, R Saxena, VK Kapoor Indian J Gastroenterol, 2003, Sep-Oct 22(5):166- PMID:14658530, [Citations=16]
  • Xanthogranulomatous Cholecystits:Differentiation from associated gallbladder carcinoma; R V Raghavendra Rao, Ashok Kumar, SS Sikora, R Saxena, VK Kapoor Tropl Gastroenterol. 2005 Jan-Mar;26(1);31-3; PMID:15974235, [Citations=64]
  • Surgical Management of Complicated Liver hydatid. GD Wagholikar, SS Sikora, Ashok Kumar, R Saxena, VK Kapoor. Tropl Gastroenterol.2002 Jan-Mar;23(1):35-7, PMID:12170922, [Citations=22]
  • Antibiotic prophylaxis in elective cholecystectomy: a prospective randomized trial. Ashok Kumar, KV Ravindra, Anu Behari, Rajeev Saxena, Lav K Kacker, A Ayyagari, Satyendra P Kaushik. SDMH Journal 1999; 22(4): 248-53.
  • Acute cholangitis – management options. Ashok Kumar, Anu Behari, RN Sonawane, Satyendra P Kaushik, SDMH Journal ,1998,60(3):167-73
  • Role of perioperative octreotide (Sandostatin) in major pancreatic resections for malignant disease. SS Sikora, S Srivastava, Ashok Kumar, Rajan Saxena, VK Kapoor. Indian J Surg 1998; 60 (5,6) 291-295
  • Technical complication of feeding jejunostomy: a critical analysis. RN Sonawane, MM Thombare, Ashok Kumar, SS Sikora, R Saxena, VK Kapoor, SP Kaushik. Trop Gastroenterol1997Jul-Sep; 18(3): 127-28 PMID: 9385860, [Citations=35]
  • Xanthogranulomatous cholecystitis. Ashok Kumar, Narendra Krishnani, R Saxena, VK Kapoor, Satyendra P Kaushik. Indian Journal of Gastroenterology 1996; 15(4): 122-5 PMID: 8916574
  • Cholecystectomy in high risk patients. Ashok Kumar, R Saxena, VK Kapoor, SP Kaushik Tropical Gastroenterology 1996; 17: 53-6, PMID: 9025023,
  • Conversion in laparoscopic cholecystectomy – need for a new nomenclature. VK Kapoor, Ashok Kumar, SS Sikora, SP Kaushik Tropical Gastroenterology 1995; 16: 38-9; PMID: 8838043, [Citations=8]

Case Reports:

  • Kumar, A., Ghosh, N.K. Journey of a Red Rubber Catheter from Uterus to Thoracic Cavity. J Obstet Gynecol India (2022). https://doi.org/10.1007/s13224-022-01623-0
  • Somanath Malage, Ashok Kumar; Rajan Saxena, Ram Nawal Rao, Rectal Arteriovenous Malformation: A Report of Two Cases, Review of Literature, and Management Algorithm.Iran J Colorectal Res 2022;10(2):2-8.
  • Rectal Cancer Masquerading as Retro Rectal Tumour – A Rare Case Report. Ashok K, Bhatt N, Alka Y and Nandita C Austin J Surg 6(16): id1203 (2019)
  • Traumatic Arterio-Venous Fistula between Right Hepatic Arteryand the Right Hepatic Vein. Kumar A, HM Lokesh2 and Yadav A. Journal of Clinical and Medical Images. 2019; 2(2): 1-2.
  • Copper-T Migration into Stomach: A Laparoscopic Management; Anju Kumari Rani , Ashok Kumar, Nihar Ranjan Dash, The Journal of Obstetrics and Gynecology of India; February 2015, Volume 65, Issue 1, pp 54-55 PMID: 25737624
  • Duodenocolic fistula in a child; BC Sharma, SK Yachha, A Kulshreshta, UC Ghoshal, Ashok Kumar; Pediatric Surgery International 1995; 10: 396-97, [Citations=5]

Book Chapters:

  • Etiopathogenesis and Management of Fecal Incontinence: Ashok Kumar, Kailash Chand Kurdia . In Roshan Lall Gupta’s Recent Advances in surgery ; Vol 17 Ed.Puneet; Jaypee Brothers Medical Publishers (P) Ltd,Delhi;2021; 48-68
  • Complications in colorectal surgery. Ashok Kumar, Kailash Chand Kurdia In The Association of Colon and Rectal Surgeons of India (ACRSI), Text Book of colorectal Surgery
  • Sphincter saving procedures for Low Rectal Cancer : Ashok Kumar, Ajit Kumar Mishra; In Roshan Lall Gupta’s Recent Advances in surgery : Vol 14 Ed. Puneet; Jaypee Brothers Medical Publishers (P) Ltd,Delhi;2017; 108-125
  • Surgery for refractory constipation: Ashok kumar In: Constipation Ed. Rakesh Tandon; Elsevier India 2015 (S49-52)
  • Fistula in Ano; Ashok Kumar: In: Roshan Lal Gupta’s Recent Advances in Surgery , Ed. Puneet Jaypee The Heal Science Publisher 2015, Vol 14 Page 247-267.
  • Chronic Constipation; PN Joshi, Ashok Kumar, Kiran Shah Page In: Benign Anorectal Disorders: A guide to diagnosis and management; Ed. Nisar Ahmad Chowdri, Fazl Q Parry. Springer 2015, 109-130
  • Rectovaginal Fistula; Ashok Kumar, Rakesh kumar Singh In. Textbook of surgical Gastroenterology. Ed. PK Mishra JP Publishers 2015, Pg 1036-42
  • Rectourethral Fistula Nitesh Patidarr, MS Ansari, Ashok Kumar In. Textbook of surgical Gastroenterology. Ed. PK Mishra JP Publishers 2015, Pg 1043-48
  • Colorectal cancer Ashok Kumar, Puneet Puri. In. Textbook of surgical Gastroenterology. Ed. PK Mishra JP Publishers 2015, Pg 1119-27
  • Colectomy for Colon Cancer Ashok Kumar, Sunil T In. Textbook of surgical Gastroenterology. Ed. PK Mishra, JP Publishers 2015, Pg 1128-31
  • Management of Rectal Cancer: current status Vedant Kabra, Vineet Goel , Ashok Kumar In Roshan Lall Gupta’s Recent Advances in surgery Vol 13 Ed.Puneet; Jaypee Brothers Medical Publishers (P) Ltd, Delhi;2012; 132-161
  • Surgery for complex Anal Fistula; Ashok Kumar; In Operative Procedures in Surgical Gastroenterology (Vol 2); Ed SP Kaushik ;Jaypee Brothers Medical Publishers (P) Ltd, Delhi;2009; 185-206
  • Fecal Incontinence; Ashok Kumar In Clinical G.I. Surgery ‘ A reference book for surgeons’ Ed : Sanjiv Haribhakti Haribhakti Education Foundation,Ahmedabad;2007;474-490
  • Chronic Calcific Pancreatitis- Results of Surgical management at SGPGIMS, Lucknow SS Sikora, TLVD Prasad, Ashok Kumar, R Saxena, VK Kapoor In Chronic pancreatits and pancreatic diabetes in India Ed Balakrishnan et al,Indian Pancreatic Study Group, 2006:349-356
  • Gallbladder cancer: Incidence and prevalence in North India Ashok Kumar, GD Wagholikar,VK Kapoor; In Hepato-Pancreatico-Biliary Surgery : Current Concept. Ed: Jagannath P.BI Churchill Livingstone, New Delhi 2002; 111-114
  • Intestinal Stoma and Stomal appliances: Ashok Kumar, S Suresh; In Clinical Surgery – A Comprehensive update, Ed: JD Wig Azad Offset, Chandigarh 2001; 175-188
  • Restorative Proctocolectomy: Ashok Kumar, GD Wagholikar In operative Procedures in Surgical Gastroenterology (Vol 1) Ed SP Kaushik, Jaypee Brothers Medical Publishers (P) Ltd, Delhi;2001; Second ed 2009: 345-358
  • Management of Asymptomatic Gall stones” Ashok Kumar; In Debates in gastrointestinal surgery; Ed Dr Dhanajaya Sharma; M/s Banarasidas Bhanot, Jabalpur 1998; 141-44.

PRACTICE PARAMETER

Ashok Kumar, Nisar Chowdri, Deepak  Govil , Venky Munikishanan, Avinash Saklani :Practice Parameters 2021, Rectal cancer :The Association of Colon and Rectal Surgeons of India (ACRSI)