1. Sharma PK, Panaiyadiyan S, Kurra S, Kumar R, Nayak B, Kaushal S, et al. Association of human papillomavirus in penile cancer: A single-center analysis. Indian J Urol 2022;38:210–5. https://doi.org/10.4103/iju.iju_41_22.
2. Panaiyadiyan S, Quadri JA, Nayak B, Pandit S, Singh P, Seth A, et al. Association of heavy metals and trace elements in renal cell carcinoma: A case-controlled study. Urologic Oncology: Seminars and Original Investigations 2022;40:111.e11-111.e18. https://doi.org/10.1016/j.urolonc.2021.11.017.
3. Panaiyadiyan S, Singh P, Nayak B. Haematuria in Critically Ill Cancer Patients. In: Kumar V, Gupta N, Mishra S, editors. Onco-critical Care, Singapore: Springer Nature Singapore; 2022, p. 301–14. https://doi.org/10.1007/978-981-16-9929-0_27.
4.   Nayyar R, Kumar P, Panaiyadiyan S, Seth A. Ureter-first approach and reduction of pelvis: Standardizing handling of ureteropelvic junction during pyeloplasty. Urology 2021:S0090-4295(21)01070-0. https://doi.org/10.1016/j.urology.2021.10.030.
5.   Singh P, Kumar S, Panaiyadiyan S, Singh P, Dogra P, Seth A. Repair of Rectourethral Fistula Using Gracilis Muscle Flap Interposition—a Tertiary Care Center Experience. Indian J Surg 2021. https://doi.org/10.1007/s12262-021-03078-5.
6.   Panaiyadiyan S, Nayak B, Singh P, Kaushal S, Karmakar S, Seth A. Prognostic and predictive role of intra-tumoral CXCR1 expression in patients receiving tyrosine kinase inhibitors for metastatic clear-cell renal cell carcinoma. Journal of Clinical Urology. 2021 May 9;205141582110122.
7.   Panaiyadiyan S, Nayyar BU, Nayyar R, Kumar N, Seth A, Kumar R, et al. Impact of vesicovaginal fistula repair on urinary and sexual function: patient-reported outcomes over long-term follow-up. Int Urogynecol J [Internet]. 2021 Jan 9 [cited 2021 Jan 10]; Available from: http://link.springer.com/10.1007/s00192-020-04648-z
8.   Panaiyadiyan S, Kumar R. Robotic assistance helps low-volume surgeons deliver better outcomes to their patients. Indian Journal of Urology. 2021 Jan 1;37(1):1.
9. Panaiyadiyan S, Singh P, Kumar R. Laparoscopic Stone Surgery. In: Ng ACF, Wong MYC, Isotani S, editors. Pract. Manag. Urin. Stone, Singapore: Springer Singapore; 2021, p. 203–15. https://doi.org/10.1007/978-981-16-4193-0_20.
10. Nayak B, Panaiyadiyan S, Singh P, Karmakar S, Kaushal S, Seth A. Role of circulating tumor cells in patients with metastatic clear-cell renal cell carcinoma. Urologic Oncology: Seminars and Original Investigations. 2020 Nov;S1078143920305676.
11. Kiran PS, Panaiyadiyan S, Singh P, Nayak B, Nayyar R, Seth A. Management of untreated classical bladder exstrophy in adults: A single-institutional experience. Urology. 2020 Sep 19;
12. Kumar A, Patel VR, Panaiyadiyan S, Ramesh K, Bhat S, Moschovas MC, et al. Nerve-sparing robot-assisted radical prostatectomy: Current perspectives. Asian Journal of Urology. 2020 Jun;S2214388220300382.
13. Singh P, Panaiyadiyan S. Azoospermia: Low volume ejaculate, Ejaculatory duct obstruction. 2018. Chapter 9. (pg no 92-99). “Male infertility in everyday practice” Kotentworks, KWX Communications Pvt Ltd. ISBN-10: 9383988118.
14. Singh P, Panaiyadiyan S, Nayak B. Pelvic gossypiboma with spontaneous intravesical erosion. BMJ Case Rep. 2017 Apr 11;2017.
15. Panaiyadiyan S, Shukla A, Nayak B, Singh P, Saini AK. Wandering Double-J Stent in the Retroperitoneum: A Case Report. J Endourol Case Rep. 2017;3(1):189–91.  

1. Kumar L, Kumar S, Dogra PN, Kaushal S, Panaiyadiyan S, Jain S et al (2019) Robotic excision of upper ureteral fibroepithelial polyp presenting as pelviureteral junction obstruction: surgical surprise with review of literature. Journal of Endourology Case Reports 2019;X:X, 1–5, DOI: 10.1089/cren.2019.0088.
2. Kumar L, Jain S, Kaushal S, Seth A, Goel R, Kumar M, Kumar S. A case of type 1 papillary renal cell cancer with pelvic tumor thrombus masquerading as urothelial cancer with review of literature. Journal of Endourology Case Reports 2019;X:X, 1–4, DOI: 10.1089/cren.2019.0056.
3. Bansal D, Kumar S, Jain S. ‘Poles apart presentation’: diagnosis and management of iatrogenic posterior urethral false tract in cases of pelvic fracture urethral injury. British Medical Journal of Case Report. 2019;12:e231166. doi:10.1136/bcr-2019- 231166.
4. Dadhwal R, Jain S, Seth A. Neuroendocrine tumour of urinary bladder: a rare case of aggressively behaving primary well- differentiated neuroendocrine tumour with review of literature British Medical Journal of Case Report. 2019;12:e231061. doi:10.1136/bcr-2019- 231061
5. Nayyar R, Jain S, Sharma K, Pethe S, Kumar PA Novel Anterior Bladder Tube for Traumatic Bladder Neck Contracturein Females: Initial Results. Urology. 2020 Feb 13. pii: S0090-4295(20)30161-8. doi:10.1016/j.urology.2019.12.037. 
6. Nayyar R, Bansal D , Singh P, Jain S, Seth A. Individualised management of obliterative urethral stricture in female patients – four patients and four management strategies. Journal of Clinical Urology.2020;1–6. DOI: 10.1177/2051415819897223.
7. Jain S, Kumar A.How to diagnose and manage tubercular epididymitis and prostatitis. British J Urol Int Knowledge. 2017 May;10.18591/BJUIK.0559.
8. Jain S.Overview of reconstructive and sperm retrieval surgeries in male subfertility. Fertil Sci Res 2016;3:63-5.
9. Kumar S, Jain S, Singh SK, Mandal AK, Lal A, Badhada S.Mp82-05 An assessment of Serum Testosterone, Serum Estrogen, Vitamin D and Bone Mineral Density in Adult Idiopathic Calcigerous Renal Stone Formers. J Urol.  2016 apr;195(4): e1074.
10. Kumar S, Singh S, Jain S, Bora G. Robot-assisted heminephrectomy for chromophobe renal cell carcinoma in L-shaped fused crossed ectopia: Surgical challenge. Korean J Urol. 2015 Oct;56(10):729-32.
11. Kumar S, Shankeregowda SA, Dewana SK, Jain S, Singh SK Single-incision multiport laparoendoscopic technique to repair retrocaval ureter using the Santosh PGI ureteric tacking fixation technique. Asian J Endosc Surg. 2014 Nov;7(4):337-41.
12. Chintamani, Tuteja A, Khandelwal R, Tandon M, Bamal R, Jain S. Patient and provider delays in patients attending tertiary care centre: a prospective study J R Soc Med Sh Rep 2011;2;76.
13. Chintamani, Gogne A, Khandelwal R, Tandon M, Jain S, Kumar Y. The correlation of anxiety and depression levels with response to neoadjuvant chemotherapy in patients with breast cancer. J R Soc Med Sh Rep 2010;1:49.
14. Mohil R, Narayan N, Narayan A, Kerketta Z, Jain S, Bhatnagar D. Life threatening lower gastrointestinal haemorrage from an aneurysm of the right hepatic artery: a rare case presentation due to delayed rupture. The internet journal of surgery 2010 vol 24 (1).
15. Chintamani, Singh JP, Tandon M, Khandelwal R, Aeron T, Jain S. Vulval elephantiasis as a result of tubercular lymphadenitis: two case reports. J R Soc Med Sh Rep 2010;4:369.
16. Chintamani, Sugandhi N, Khandelwal R, Tandon M, Jain S, Narayan N. Kimuras disease masquerading as parotid malignancy. J R Soc Med Sh Rep 2010;1:41.
17. Chintamani, Khandelwal R, Tandon M, Jain S. Liposarcoma of the spermatic cord: a diagnostic dilemma. J R Soc Med Sh Rep 2010;1;49.

1. Kumar S, Tomar V, Yadav SS, et al. Primary Squamous Cell Carcinoma of Kidney Associated With Large Calculus in Non-functioning Kidney: A Case Report.Urol Case Rep. 2016 May 31;8:4-6.
2. Kumar S, Tomar V, Yadav SS , et al. Fertility Potential in Adult Hypospadias.J Clin Diagn Res. 2016 Aug;10(8):PC01-5.
3. Yadav SS, Agarwal N, Kumar S, et al .Single-stage Female Epispadias Repair by Combined Infrasymphyseal Bladder Neck Plication and Urethrogenitoplasty: A Novel Technique.Urology. 2017 Feb;100:240-245.
4. Bansal D, Kumar S, Jain S et al. "‘Poles Apart Presentation’ – Diagnosis and Management of Iatrogenic Posterior Urethral False Tract in Cases of Pelvic Fracture Urethral Injury". BMJ Case Report.2019 Aug;12(8):e231166
5. Kumar L, Jain S, Kumar S et al. “A Case of Type 1 Papillary Renal Cell Cancer with Pelvic Tumor Thrombus Masquerading as Urothelial Cancer with Review of Literature”.Journal of Endourology Case Reports.2019 Dec;5(4):1-4
6. Kumar L, Kumar S, Dogra P N et al. “Robotic Excision of Upper Ureteral Fibroepithelial Polyp Presenting as Pelviureteral Junction Obstruction: Surgical Surprise with Review of Literature”Journal of Endourology case Reports.2020 March;6(1):30-34.
7. Arora S, Kumar S, Das CJ et al. Inguinal Canal Deposit—An Uncommon Site of Metastases in Carcinoma Prostate Detected on 68Ga–Prostate-Specific Membrane Antigen PET/CT. Clinical Nuclear Medicine.2020 Aug;45: e443-e444.
8. ShobhanaR,Sharma A, Patel C, Sahoo R, Das CJ, Kumar S,et al. Is there a utility of adding skeletal imaging to 68-Ga-prostate-specific membrane antigen-PET/computed tomography in initial staging of patients with high-risk prostate cancer? Nuclear Medicine Communications.2020 Nov;41(11):1183-1188.
9. Dadhwal R, Kumar S, Dogra PN, et al. Endoscopic holmium laser fragmentation and retrieval of migrated intravesical prolene mesh. BMJ Case Report.2020 Dec;13(12):236987.
10. Agarwal V, Yadav SS, Kumar S, et al. Evaluating the role of extracellular vesicles as a biomarker under transmission electron microscope in prostate cancer and benign prostate hyperplasia patients. Urologia Journal.2021;May:1-6.
11. Sharma A, Kumar S, Pandey AK, et. Haralick texture features extracted from Ga-68 PSMA PET/CT to differentiate normal prostate from prostate cancer: a feasibility study. Nuclear Medicine Communications. 2021 Aug 26;42(12):1347-54.
12. Singh P, Kumar S, Panaiyadiyan S, et al. Repair of Rectourethral Fistula Using Gracilis Muscle Flap Interposition—a Tertiary Care Center Experience. Indian Journal of Surgery. 2021 Aug 15:1-6.
13. Pandey AK, Sharma A, Kumar S, et al. Design and evaluation of MeVislab networks for co-registration and cropping of positron emission tomography/computed tomography scans. Indian Journal of Nuclear Medicine. 2022 Jan 1;37(1):37.
14. Kumar S, Panaiyadiyan S, Singh P, et al.Safety, efficacy and functional outcomes of photoselective vaporisation of the prostate: A single-centre experience. Journal of Clinical Urology. 2022;March(Online)
15. Singh P, Kumar S, Panaiyadiyan S, et al. Robotic excision of vaginal pouch in ovotesticular disorder of sexual development. International Braz J Urol.2022;August (Online)

Kumar M, Singh SK, Arora S, Mittal V, Patidar N, Ansari M S, et al .Follow-up imaging after pediatric pyeloplasty. Indian J Urol, 2016;32:221-226

2.       S.Arora,M.S Ansari, P. Yadav, M. Kumar, S. Kumar Singh, V. Mittal, et al .Prediction of outcome of conservative management of antenatally detected hydronephrosis due to UPJ obstruction: A single-centre, prospective, multivariate analysis .Journal of Pediatric Urology 11(5) · DOI: 10.1016/j.jpurol.2015.02.008 March 2015

3.       Nitesh Patidar,  Manoj Kumar, Varun Mittal, M S Ansari, S. Kumar Sureka,Sohrab Arora  et. Transcutaneous posterior tibial nerve stimulation in pediatric overactive bladder: A Journal of pediatric urology preliminary report. · July 2015 DOI: 10.1016/j.jpurol.2015.04.040 

4.       Varun Mittal, Aneesh Srivastava, Nitesh Patidar, Manoj Kumar. Standardized Grading of Shock Wave Lithotripsy Complications with Modified Clavien System Urologia Internationalis. DOI: August 2016 10.1159/000446968

5.       Varun Mittal , Aneesh Srivastava, Hira Lal, Tarun Jvali, Nitesh Patidar, Manoj Kumar  et al.Management of venous hypertension following arteriovenous fistula creation for hemodialysis access . Indian J Urol 32(2) · DOI: 10.4103/0970-1591.174779 April 2016

6.       Arora Sohrab, Srivastava Aneesh, Sanjoy kumar Sureka, Mittal Varun, Patidar Nitesh, Kumar Manoj et al. Forgotten Reminders: an Experience with Managing 28 Forgotten Double-J Stents and Management of Related Complications.Indian Journal of Surgery77(Suppl 3) · January  2015DOI: 10.1007/s12262-015-1229-4

7.       Varun Mittal , Aneesh Srivastava, Hira Lal, Tarun Jvali, Nitesh Patidar, Manoj Kumar  et al.Vesicocutaneous Fistula After Sliding Hernia Repair.Urology Case Reports ·  September 2014DOI: 10.1016/j.eucr.2014.08.003

8.       Manoj Kumar, Ranjeet Kumar Singh, Rakesh Kapoor . Giant Vesical Calculus Formation as a Complication of Augmentation Cystoplasty. Images In Surgery, Indian Journal of Surgery,February 2016, Volume 78, Issue 1, pp 66-67,First online: 12 November 2015

9.       Aneesh Srivastava, Sanjoy Kumar Sureka, Saurabh Vashishtha, Shikhar Agarwal, Md Saleh Ansari, Manoj Kumar . Single-centre experience of retroperitoneoscopic approach in urology with tips to overcome the steep learning curve.J Minimal Access Surgery.2016 Apr-Jun; 12(2): 102–108.

10.   Aneesh Srivastava, Manoj Kumar, Jatinder Kumar, Sanjeet Kumar Singh, Sohrab Arora, Varun Mittal, Nitesh Patidar et al. under peer review in World Journal of Urology

11.   Kumar R, Kumar M. Evaluation of an infertile Male, Chapter 1, page 1-13, Male infertility in everyday practice. 1st edn, kontentworx publications, 2018, ISBN-978-93-83988-11-2

• Saini S, Nayak B, Singh P, Singh P, Nayyar R, Kumar R, Seth A.  Cutaneous Ureterostomy or Ileal Conduit Urinary Diversion: Can We Spare the Bowel Following Radical Cystectomy in Patients with Solitary Functioning Kidney? Indian J Surg Oncol 2022. https://doi.org/10.1007/s13193-022-01544-4
• Garg H, Nayak B, Kumar A, Singh P, Nayyar R, Kaul A, et al. Survival analysis and predictors of long‐term outcomes following radical nephrectomy with inferior vena cava (IVC) thrombectomy in renal cell carcinoma. Indian J Cancer 2022. 10.4103/ijc.IJC_5_20
• Verma S, Arora S, Sahoo RK, Singh P, Nayak B, Haresh KP, Das CJ, Shamim, A, Kaushal S, Batra A. Differential effect of body mass index (BMI) on outcomes of patients treated with docetaxel in prostate Cancer - An exploratory analysis. Cancer Treat Res Commun 31(2022). https://doi.org/10.1016/j.ctarc.2022.100520
• Panaiyadian S, Quadri J, Nayak B, Pandit S, Singh P, Seth A, Shariff A. Association of heavy metals and trace elements in renal cell carcinoma: A case-controlled study. Urol Oncol 2021 https://doi.org/10.1016/j.urolonc.2021.11.017
• Bora GS, Choudhary GR, Madduri VK, Nayak B, Singh UP, Prakash G, et al. National Database of Urological Malignancies: The vision and road ahead. Indian J Urol 2021; 37:207‐9
• Panaiyadiyan S, Nayak B, Singh P, Kaushal S, Karmakar S, Seth A. Prognostic & predictive role of intra-tumoral CXCR1 expression in patients receiving tyrosine kinase inhibitors for metastatic clear cell renal cell carcinoma. J Clin Urol 2021. DOI: 10.1177/20514158211012270
• Kumar A, Patel V, Panaiyadiyan S, Seetharam Bhat K R, Maschovas M C, Nayak B. Nerve-sparing robot-assisted radical prostatectomy: Current perspectives, Asian Journal of Urology 2021; 8:2-13 https://doi.org/10.1016/j.ajur.2020.05.012
• Nayak B, Garg H, Goel R, Singh P, Nayyar R, Kumar R, Seth A. Contemporary outcomes of open radical cystectomy: a 5 year experience from a tertiary care center. Indian J Surg Oncol.  https://doi.org/10.1007/s13193-020-01226-z
• Nayak B, Panaiyadian S, Singh P, Karmakar S, Kaushal s, Seth A. Role of circulating tumor cells in patients with metastatic clear cell carcinoma.  Urolo Oncol. https://doi.org/10.1016/j. urolonc.2020.10.077.
• Sathe G, George I, Deb B, Jain A, Patel K, Nayak B, Karmakar S, Seth A, Pandey A, Kumar P. Urinary glycoproteomic profiling of non-muscle invasive and muscle invasive bladder carcinoma patients reveals distinct N-glycosylation pattern of CD44, MGAM, and GINM1. Oncotarget 2020; 34:3244-55
• Nayak B, Khan N, Garg H, Rustagi Y, Singh P, Seth A, Kaushal S. Role of miRNA-182 and miRNA-187 as potential biomarkers in prostate cancer and its correlation with the staging of prostate cancer. Int Braz J urol; 2020: 46: 614-23
• Bansal D, Nayak B, Singh P, Nayyar R, Ramachandran R, Kumar R, et al. Randomized controlled trial to compare outcomes with and without the enhanced recovery after surgery protocol in patients undergoing radical cystectomy. Indian J Urol 2020; 36:95-100.
• Tiwari D, Garg H, Nayak B, Singh P, Seth A.  The relationship between ABO blood group type and tumor grade, stage and recurrence and progression in transitional cell carcinoma of the bladder: A preliminary report. J of Clinical Urology 2020: 13:205-9
• Shrivastava N, Nayak B, Singh P, Dogra PN, Kumar R, Khan M A. Punctures versus shocks: a comparison of renal functional and structural changes after percutaneous nephrolithotomy and shockwave lithotripsy for solitary renal stone. J Clin Urol 2020 DOI: 10.1177/2051415819888083
• Garg H, Tiwari D, Nayak B, Singh P, Yadav S, Kumar R, Seth A, Nayyar R, Dogra P N.  A comparative analysis of various surgical approaches of nephron‐sparing surgery and correlation of histopathological grade with RENAL nephrometry score in renal cell carcinoma. J Min Access Surg 2020; 16: 144-51
• Temiz M Z, Nayak B, Aykan S, Singh P, Colakerol A, Semercioz A, Muslumanoglu A Y.  Laparoscopic and robotic transperitoneal repair of retrocaval ureter: A comparison of the surgical outcomes from two centers with a comprehensive literature review. J Min Access Surg 2020; 16: 115-20
• Singh H, Arora G, Nayak B, Sharma A, Singh G, Kumari K, Jana S, Patel C, Pandey A, Seth A, Kumar R. Semi-quantitative F-18-FDG PET/computed tomography parameters for prediction of grade in patients with renal cell carcinoma and the incremental value of diuretics. Nuclear Medicine Communications 2020; 41: 485-93
• Shrivastava N, Nayak B, Dogra P, Kumar R, Singh P. Robot-assisted   laparoscopic radical cystectomy with extracorporeal urinary diversion: Initial experience and outcomes. Indian J Urol 2018; 34:122-6.
• Singh P, Agrawal T, Yadav S, Nayak B, Seth A, Dogra PN. A comparative study of the effects of medical versus surgical androgen deprivation therapy on health‐related quality of life in patients with metastatic carcinoma prostate. Indian J Cancer 2018; 55:148‐53.
• Nayak B, Dogra PN, Naswa N, Kumar R. Diuretic 18F-FDG PET/CT imaging for detection and loco-regional staging of urinary bladder cancer: prospective evaluation of a novel technique. Eur J Nucl Med Mol Imaging 2013; 40: 386-93
• Nayak B, Guleria S, Varma M, Tandon N, Aggarwal S, Bhowmick D et al. Effect of bisphosphonates on bone mineral density after renal transplantation as assessed by bone mineral densitometry. Transplant proc 2007; 39: 750-2 

• Nayyar Rishi, Sarda Anil K, Kaza RCM, Anand VJ. The obstructed kidney. Indian J Surg 2005; 67(1): 21-8
• Nayyar Rishi, Gupta NP. Review article: Use of bisphosphonates in prostate cancer: Current status. Indian J Urol. 2007; 23(1): 51-4
• Rishi Nayyar, Pankaj Wadhwa, Ashok K Hemal. Pure Robotic extended pyelolithotomy: Cosmetic replica of open surgery. J Robotic Surg. 2007; 1(3): 207-11
• Kumar R, Nayyar R, Kumar V, Gupta NP, Hemal AK, Jagannathan NR, Dattagupta S, Thulkar S. Potential of magnetic resonance spectroscopic imaging in predicting absence of prostate cancer in men with serum prostate-specific antigen between 4 and 10 ng/ml: a follow-up study. Urology. 2008; 72(4): 859-63
• Rishi Nayyar, Narmada P Gupta, Ashok K Hemal, Rajeev Kumar. Two concomitant robot-assisted procedures in one anesthesia session: our experience. J Endourol. 2009; 23(2): 263-7
• Rishi Nayyar, Rajeev Kumar, Virendra Kumar, Naranamangalam R Jagannathan, Narmada P Gupta, Ashok K Hemal. Magnetic resonance spectroscopic imaging – current status in the management of prostate cancer. BJU Int. 2009 Jun;103(12): 1614-20
• Rishi Nayyar, Nitin Sharma, Narmada P Gupta. Prognostic factors affecting progression and survival in metastatic prostate cancer. Urol Int. 2010;84(2):159-163
• Ashok K Hemal, Rishi Nayyar, Ranjit Rao. Robotic repair of primary symptomatic obstructive megaureter with intracorporeal or extracorporeal ureteric tapering and ureteroneocystostomy. J Endourol. 2009 Dec;23(12):2041-6
• Rishi Nayyar, Nitin Sharma, Narmada P Gupta. Docetaxel based combination chemotherapy with zoledronic acid and prednisone in hormone refractory prostate cancer: Factors predicting response and survival. Int J Urol. 2009 Sep;16(9):726-31
• Narmada P Gupta, Rishi Nayyar, Ashok K Hemal, Satyadeep Mukherjee, Rajeev Kumar, Prem N Dogra. Outcome Analysis of Robotic Pyeloplasty: A large Single Center Experience. BJU Int 2010 Apr; 105(7): 980-983
• Rishi Nayyar, Narmada P Gupta, Ashok K Hemal. Robotic management of complicated ureteropelvic junction obstruction. World J Urol. 2010 Oct;28(5):599-602
• Rishi Nayyar, Narmada P Gupta. Critical appraisal of technical problems with the robotic surgery. BJU Int. 2010 Jun;105(12):1710-3
• Rishi Nayyar, Prabhjot Singh, Narmada P Gupta, Ashok K Hemal, Prem N Dogra, Amlesh Seth, Rajeev Kumar. Upgrading of gleason score on radical prostatectomy specimen compared to the pre-operative needle core biopsy: An Indian experience. Indian J Urol 2010;26:56-9
• Ashok Kumar Hemal, Rishi Nayyar, Narmada P Gupta, Lalgudi N Dorairajan. Experience with Robot Assisted Laparoscopy Surgery for Upper and Lower Benign and Malignant Ureteral Pathologies. Urology. 2010 Dec;76(6):1387-93
• Narmada P Gupta, Rishi Nayyar, Prabhjot Singh. Robot assisted adrenal sparing surgery for pheochromocytoma: Initial experience. J Endourol. 2010; 24(6): 981-5
• Ashok K Hemal, Rishi Nayyar, Narmada P. Gupta, Lalgudi N. Dorairajan. Experience with robotic assisted laparoscopic surgery in upper tract urolithiasis. Can J Urol. 2010 Aug;17(4):5299-305
• Rishi Nayyar, Narmada P Gupta. Role of systemic peri-operative chemotherapy in management of transitional cell carcinoma of bladder. Indian J Urol. 2011 Apr;27(2):262-8.
• Hemendra N Shah, Rishi Nayyar, Srinivas Rajamahanty, Ashok K Hemal. Prospective evaluation of unidirectional barbed suture for various indications in surgeon-controlled robotic reconstructive urologic surgery: Wake Forest University Experience. Int Urol Nephrol. 2012 Jun;44(3):775-85
• Rishi Nayyar, Nikhil Khattar, Rajeev Sood. Functional evaluation before stone surgery. Is it mandatory? Indian J Urol. 2012; 28(3):256-62
• Rajeev Sood, Nikhil Khattar, Rishi Nayyar, Sachin Kathuria, Vineet Narang, Devashish Kaushal. Case for resurgence of radical perineal prostatectomy in Indian Subcontinent. Indian J Urol. 2012; 28(4):418-23

• Kumar R, Mellon JK. Urinary Symptoms and investigations. In: O’Connell PR, McCaskie A, Sayers R, editors. Bailey & Love’s Short Practice of Surgery. 28th ed. CRC Press, Great Britain. 2023;pp 1447-1465
• Gurnani N, Goel R, Kumar M, Dada R, Kumar R. Unilateral Versus Bilateral Vaso-Epididymal Anastomosis for Idiopathic Obstructive Azoospermia: A Randomized Controlled Trial. Eur Urol Open Sci. 2023;52:30-35
• Modi A, Singh P, Seth A, Kumar R. Serum prostate-specific antigen trends and prostate cancer detection on follow-up in men with a prior negative biopsy: A cohort study. Indian J Urol. 2023;39:292-296
• Sridhar P, Kumar R. Outcomes of robotic surgery for low-volume surgeons. Soc Int Urol J. 2022;3(5):323–330
• Garg H, Seth A, Kumar R. Impact of previous transurethral resection of prostate on robot-assisted radical prostatectomy: a matched cohort analysis. J Rob Surg. 2022;10.1007/s11701-021-01348-8
• Sharma AP, Sharma G, Kumar R. Systematic review and meta-analysis on effect of Carnitine, Coenzyme Q10 and Selenium on pregnancy in couples with idiopathic male infertility. Urology. 2021; 161:4-11
• Garg H, Singh P, Seth A, Kumar R. Changing trends in robot-assisted radical prostatectomy: inverse stage migration-a retrospective analysis. Prostate Int. 2021; 9:157-162
• Kaushal R, Gurnani N, Kumar M, Dada R, Kumar R. Male infertility in India: Demographics, aetiology and outcomes of standard clinical practice. Natl Med J India. 2020;33:340-343
• Prakash P, Ramachandran R, Tandon N, Kumar R. Open surgery for pheochromocytoma: Current indications and outcomes from a retrospective cohort. Indian J Urol. 2020;36:21-5
• Tiwari DP, Razik T, Das CJ, Kumar R. Prospective analysis of factors predicting feasibility & success of longitudinal intussusception vasoepididymostomy in men with idiopathic obstructive azoospermia. Indian J Med Res. 2019;149:51-56
• Kaushal R, Das CJ, Singh P, Dogra PN, Kumar R. Multiparametric magnetic resonance imaging transrectal ultrasound fusion biopsies increase the rate of cancer detection in populations with a low incidence of prostate cancer. Investig Clin Urol. 2019;60:156-161
• Prakash P, Ramachandran R, Tandon N, Kumar R. Changes in blood pressure, blood sugar, and quality of life in patients undergoing pheochromocytoma surgery: a prospective cohort study. Indian J Urol. 2019;35:34-40
• Bandewar SVS, Aggarwal A, Kumar R, Aggarwal R, Sahni P, Pai SA. Medical Council of India's amended qualifications for Indian medical teachers: Well intended, yet half-hearted. Indian J Urol. 2018;34: 3-6 (Simultaneous publication in 6 journals)
• Kumar R. A new era of Asian urology: a SWOT analysis. Nat Rev Urol. 2016;13:685-689.
• Rao N, Ramachandran R, Tandon N, Singh P, Kumar R. Surgical and hemodynamic outcomes in pheochromocytoma surgery: a prospective cohort study. Urology. 2016;98:103-106.
• Aggarwal R, Gogtay N, Kumar R, Sahni P, for the Indian Association of Medical Journal Editors. The revised guidelines of the Medical Council of India for academic promotions: Need for a rethink. Indian J Urol 2016;32:1-4 (Simultaneous publication in 22 journals)
• Garg H, Kumar R. An update on the role of medical treatment including antioxidant therapy in varicocele. Asian J Androl. 2016;18:1-7
• Garg H, Kumar R. Empirical drug therapy for idiopathic male infertility: what is the new evidence? Urology. 2015; 86:1065-75
• Kumar R, Jagannathan NR. Editorial: Prebiopsy magnetic resonance studies for prostate cancer diagnosis. Int J Urol. 2013;20:140-1
• Kumar R, Nayak B. Robotic versus conventional laparoscopic pyeloplasty: A single surgeon concurrent cohort review. Indian J Urol. 2013;29:19-21
• Kumar R, Anand A, Saxena V, Seth A, Dogra PN, Gupta NP. Safety and efficacy of PCNL for management of staghorn calculi in pediatric patients. J Pediatr Urol. 2011;7:248-51
• Kumar R, Mukherjee S, Gupta NP. Intussusception Vasoepididymostomy with Longitudinal Suture Placement for Idiopathic Obstructive Azoospermia. J Urol. 2010; 183:1489-92
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