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Ajay Niranjan

Neurological Surgery

69H-index
563Paper Count
1.6WCitation Count
Published Papers 225
Publication Date
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Gamma knife thalamotomy provides durable long-term relief from essential tremor: a 30-year single institution experience
errNeurological Sciences
IF2.4
err2026-06-03
err0
PREAI
errJheremy S. Reyes; Alexandros Bouras; Constantinos G. Hadjipanayis; L. Dade Lunsford; Ajay Niranjan
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Insights from multimodal simultaneous SEEG-EEG and SEEG-MEG recordings: A case of combined generalized and focal epilepsy
errEpilepsia
IF6.6
err2026-04-27
err0
PREAI
errThandar Aung; Katsiah Cadet; Lazarus Mayoglou; Umit Aydin; Ajay Niranjan; Anto I. Bagić
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Single-Fraction Stereotactic Radiosurgery for Residual, Recurrent, or Metastatic Intracranial Solitary Fibrous Tumors: An IRRF Study Toward Management Guidance
errNeuro-Oncology
IF13.4
err2026-01-27
err0
errOAAI
errSalem M Tos; Ahmed Shaaban; Dawood Hamdan; Georgios Mantziaris; Bardia Hajikarimloo; Mariam Ishaque; Yuki Shinya; Vanshika Lohia; Zhishuo Wei; Orbay Askeroglu; Christian Amezquita-Contreras; Andrea Becerril-Gaitan; Onam Verma; Keiss Douri; Nathalia Lora; Anais C M A de Moura; Eugene Yap; David Bailey; Herwin Speckter; Salomon Cohen Cohen; Carolina Benjamin; Angel I Blanco; Yoshua Esquenazi; Manjul Tripathi; Brad E Zacharia; Ronald E Warnick; Roman Liscak; Khumar Guseynova; Cheng-Chia Lee; Huai-Che Yang; Andrea Franzini; Piero Picozzi; A Haluk Duzkalir; Selcuk Peker; Joshua D Palmer; David Mathieu; Greg N Bowden; Ajay Niranjan; L Dade Lunsford; Douglas Kondziolka; Jason P Sheehan
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Stereotactic radiosurgery for intracranial Langerhans cell histiocytosis: A multi-institutional case series with long-term follow-up
errBRAIN AND SPINE
IF2.5
err2025-12-01
err0
errOAAI
errDuzkalir, Ali H.; Yildirim, Dogu C.; Almeida, Timoteo; Niranjan, Ajay; Lunsford, L. Dade; Moreno, Nuria M.; Alvarez, Roberto M.; Peker, Selcuk
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Stereotactic radiosurgery as adjuvant or salvage treatment for sporadic hemangioblastomas: A multi-center international study
errJournal of the Neurological Sciences
IF3.2
err2025-11-12
err0
PREAI
errSalem M. Tos; S. Farzad Maroufi; Bardia Hajikarimloo; Ahmed Shaaban; Georgios Mantziaris; Duy Pham; Sam Dayawansa; Ahmed M. Nabeel; Wael A. Reda; Sameh R. Tawadros; Khaled AbdelKarim; Amr M.N. El-Shehaby; Reem M. Emad; Zhishuo Wei; Lindsay M. McKendrick; Ajay Niranjan; L. Dade Lunsford; Selcuk Peker; Yavuz Samanci; Roman Liscak
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Early outcomes of Gamma Knife stereotactic radiosurgery for symptomatic intracranial meningiomas in octogenarians: technique analysis and rationale
errJournal of Neuro-Oncology
IF3.1
err2025-11-04
err0
PREAI
errOthman Bin-Alamer; Suchet Taori; Hussam Abou-Al-Shaar; John C. Flickinger; Ajay Niranjan; Constantinos G. Hadjipanayis; L. Dade Lunsford
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Stereotactic radiosurgery for patients with brain metastases from nasopharyngeal carcinoma
errJournal of Neuro-Oncology
IF3.1
err2025-10-22
err0
PREAI
errDavid J. Puccio; Chris Z. Wei; Abhinav Pillai; Hansen Deng; Constantinos G. Hadjipanayis; Ajay Niranjan; L. Dade Lunsford
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Author Correction: Stereotactic radiosurgery for patients with brain metastases: current principles, expanding indications and opportunities for multidisciplinary care
errNature Reviews Clinical Oncology
IF82.2
err2025-10-03
err0
errOAAI
errAlireza Mansouri; Ahmad Ozair; Debarati Bhanja; Hannah Wilding; Elad Mashiach; Waqas Haque; Nicholas Mikolajewicz; Leonardo de Macedo Filho; Sean S. Mahase; Mitchell Machtay; Philippe Metellus; Frédéric Dhermain; Jason Sheehan; Douglas Kondziolka; L. Dade Lunsford; Ajay Niranjan; Giuseppe Minniti; Jing Li; Steven N. Kalkanis; Patrick Y. Wen; Rupesh Kotecha; Michael W. McDermott; Chetan Bettegowda; Graeme F. Woodworth; Paul D. Brown; Arjun Sahgal; Manmeet S. Ahluwalia
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STEREOTACTIC RADIOSURGERY FOR OVARIAN CANCER BRAIN METASTASES: AN INTERNATIONAL RADIOSURGERY RESEARCH FOUNDATION RETROSPECTIVE STUDY
errNEURO-ONCOLOGY
IF13.4
err2025-10-01
err0
errOAAI
errMathieu, D.; Billau, M.; Hamel, A.; Adam, E.; Iorio-Morin, C.; Liscak, R.; May, J.; Niranjan, A.; Wei, Z.; Lunsford, L.; Luy, D.; Jose, S.; Scanlon, S.; Silverman, J.; Mullen, R.; Bernstein, K.; Kondziolka, D.; Peker, S.; Samanci, Y.; Duzkalir, A. H.; Braunstein, S. E.; Phuong, C.; Sheehan, J.; Pikis, S.; Kosyakovsky, J.; Prasad, R. N.; Palmer, J. D.; Bailey, D.; Zacharia, B. E.; Cifarelli, C.; Cifarelli, D.; Arteaga Icaza, D.; Wegner, R. E.; Shepard, M. J.; Bowden, G. N.; Wandrey, N.; Rusthoven, C. G.; Hintz, E. B.; Schulder, M.; Goenka, A.; Peterson, J.
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Case Report: A personalized model of care for surgical resection of complex brain tumor with atypical language dominance
errFrontiers in Neuroscience
IF3.2
err2025-08-05
err0
errOAAI
errNatalie Sherry; Neslihan Nisa Gecici; Amelia Stepniak; Daniel Miller; Ahmed Habib; Ajay Niranjan; Jessica Barrios-Martinez; Fang-Cheng Yeh; Jeffrey Balzer; Pascal O. Zinn
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Tumor control and motor function in patients with metastases located in the primary motor cortex after stereotactic radiosurgery
errJournal of Neuro-Oncology
IF3.1
err2025-07-30
err0
PREAI
errChris Z. Wei; Hansen Deng; Eishan Ashwat; Luigi Albano; Diego Luy; Stephen Worrell; Constantinos G. Hadjipanayis; Ajay Niranjan; L. Dade Lunsford
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Outcomes of stereotactic radiosurgery for pituitary metastases: an international multi-institutional study
errPituitary
IF3.4
err2025-05-29
err0
PREAI
errHussam Abou-Al-Shaar; Ibrahem Albalkhi; Rimsha K. Shariff; Arka N. Mallela; Pouneh K. Fazeli; Salem M. Tos; Georgios Mantziaris; Ying Meng; Kenneth Bernstein; Tehila Kaisman-Elbaz; Hanan Abofani; Yen-Yu Lin; Cheng-chia Lee; Manjul Tripathi; Rituraj Upadhyay; Joshua D. Palmer; Ahmed M. Nabeel; Wael A. Reda; Sameh R. Tawadros; Khaled Abdelkarim; Amr M.N. El-Shehaby; Reem M. Emad; Selcuk Peker; Yavuz Samanci; Rodney E. Wegner; Matthew J. Shepard; Roman Liscak; Gabriela Simonova; Timoteo Almeida; Carolina Benjamin; Douglas Kondziolka; Jason P. Sheehan; Ajay Niranjan; Constantinos G. Hadjipanayis; L. Dade Lunsford
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Dosimetric predictors of toxicity for brainstem metastases and AVMs treated with stereotactic radiosurgery: An international, multi-institutional analysis
errRADIOTHERAPY AND ONCOLOGY
IF5.3
err2025-05-01
err0
errOAAI
errSingh, Raj; Dayawansa, Samantha; Pham, Duy; Mantziaris, Georgios; Peker, Selcuk; Samanci, Yavuz; Duzkalir, Ali Haluk; Mathieu, David; Langlois, Anne-Marie; Egnot, Molly L.; Warnick, Ronald E.; Speckter, Herwin; Lazo, Erwin; Mendez, Laura; Blanco, Angel I.; Amsbaugh, Mark J.; Liu, Collin; Becerril-Gaitan, Andrea; Esquenazi, Yoshua; Chen, Ching-Jen; Zaki, Peter; Liang, Yun; Wegner, Rodney; Tripathi, Manjul; Wei, Zhishuo; Jajoo, Shivani A.; Niranjan, Ajay; Lunsford, L. Dade; Palmer, Joshua D.; Sheehan, Jason P.
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International multicenter study of stereotactic radiosurgery for bladder cancer brain metastases
errJOURNAL OF NEURO-ONCOLOGY
IF3.1
err2025-04-18
err0
PREAI
errPerron, Remi; Iorio-Morin, Christian; Chytka, Tomas; Simonova, Gabriela; Chiang, Veronica; Singh, Charu; Niranjan, Ajay; Wei, Zhishuo; Lunsford, L. Dade; Peker, Selcuk; Samanci, Yavuz; Peterson, Jennifer; Ross, Richard; Rusthoven, Chad G.; Lee, Cheng-Chia; Yang, Huai-Che; Yener, Ulas; Sheehan, Jason; Kondziolka, Douglas; Mathieu, David
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Stereotactic Radiosurgery for Nonfunctioning Pituitary Tumor: A Multicenter Study of New Pituitary Hormone Deficiency
errNEUROSURGERY
IF3.9
err2025-04-01
err0
PREAI
errMantziaris, Georgios; Dumot, Chloe; Dayawansa, Sam; Peker, Selcuk; Samanci, Yavuz; Nabeel, Ahmed; Reda, Wael Abdel Halim; Tawadros, Sameh; Abdelkarim, Khaled; El-Shehaby, Amr; Emad, Reem M.; Liscak, Roman; May, Jaromir; Mashiach, Elad; Vasconcellos, Fernando De Nigris; Bernstein, Kenneth; Kondziolka, Douglas S.; Speckter, Herwin; Brito, Anderson; Bindal, Shray Kumar; Niranjan, Ajay; Lunsford, L. Dade; Benjamin, Carolina Gesteira; Almeida, Timoteo; Mao, Jennifer; Mathieu, David; Tripathi, Manjul; Palmer, Joshua; Wegner, Rodney; Shepard, Matthew; Vance, Mary Lee; Sheehan, Jason P.
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Motor Strength Following Stereotactic Radiosurgery of Metastases in the Primary Motor Cortex
errNEUROSURGERY
IF3.9
err2025-04-01
err0
PREAI
errDeng, Hansen; Ashwat, Eishan; Wei, Zhishuo; Niranjan, Ajay; Hadjipanayis, Constantinos G.; Lunsford, L. Dade
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Long-term outcomes following upfront single-session gamma knife stereotactic radiosurgery for large volume meningiomas
errJOURNAL OF NEURO-ONCOLOGY
IF3.1
err2025-03-01
err0
PREAI
errTaori, Suchet; Wei, Zhishuo; Hadjipanayis, Constantinos G.; Niranjan, Ajay; Lunsford, L. Dade
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Primary and salvage radiosurgery for neurofibromatosis type 2-associated meningiomas
errJOURNAL OF NEUROSURGERY
IF3.6
err2024-11-01
err1
PREAI
errWei, Zhishuo; Taori, Suchet; Mehta, Mishika; Jose, Shalini G.; Luy, Diego D.; Abou-Al-Shaar, Hussam; Hadjipanayis, Constantinos G.; Niranjan, Ajay; Lunsford, L. Dade
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Stereotactic radiosurgery for brain metastasis from cholangiocarcinoma
errJOURNAL OF NEUROSURGERY
IF3.6
err2024-11-01
err0
PREAI
errDuzkalir, Ali Haluk; Samanci, Yavuz; Lee, Cheng-Chia; Yang, Huai-Che; Niranjan, Ajay; Lunsford, L. Dade; Wei, Zhishuo; Srinivasan, Priyanka N.; Dayawansa, Samantha; Sheehan, Jason P.; Patel, Samir; Mathieu, David; Zacharia, Brad E.; Santhumayor, Brandon; Kondziolka, Douglas; Peker, Selcuk
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Stereotactic Radiosurgery for World Health Organization Grade 2 and 3 Oligodendroglioma: An International Multicenter Study
errNEUROSURGERY
IF3.9
err2024-09-20
err0
PREAI
errLanglois, Anne-Marie; Iorio-Morin, Christian; Kallos, Justiss; Niranjan, Ajay; Lunsford, L. Dade; Peker, Selcuk; Samanci, Yavuz; Park, David J.; Barnett, Gene H.; Liscak, Roman; Simonova, Gabriela; Pikis, Stylianos; Mantziaris, Georgios; Sheehan, Jason; Lee, Cheng-chia; Yang, Huai-che; Bowden, Greg N.; Mathieu, David
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Research Directions

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Co-authors
Cooperation Journals
P
Patrick Y. Wen
H-index: 145 · Papers: 1.9K
J
John M. Kirkwood
H-index: 137 · Papers: 1.3K
D
Douglas Kondziolka
H-index: 125 · Papers: 1.3K
J
John C. Flíckinger
H-index: 124 · Papers: 918
L
L. Dade Lunsford
H-index: 122 · Papers: 1.2K
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