Raj Singh

ORCID: 0000-0001-6409-0568
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About
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Research Areas
  • Brain Metastases and Treatment
  • Glioma Diagnosis and Treatment
  • Advanced Radiotherapy Techniques
  • Management of metastatic bone disease
  • Meningioma and schwannoma management
  • Radiopharmaceutical Chemistry and Applications
  • Lung Cancer Research Studies
  • Lung Cancer Treatments and Mutations
  • Vascular Malformations Diagnosis and Treatment
  • Head and Neck Cancer Studies
  • Spine and Intervertebral Disc Pathology
  • Anesthesia and Pain Management
  • Lung Cancer Diagnosis and Treatment
  • Neurofibromatosis and Schwannoma Cases
  • Sarcoma Diagnosis and Treatment
  • Head and Neck Surgical Oncology
  • Prostate Cancer Diagnosis and Treatment
  • Cancer Diagnosis and Treatment
  • Cancer Genomics and Diagnostics
  • Intracranial Aneurysms: Treatment and Complications
  • Medical Imaging Techniques and Applications
  • Radiomics and Machine Learning in Medical Imaging
  • Spinal Fractures and Fixation Techniques
  • Testicular diseases and treatments
  • Effects of Radiation Exposure

Indira Gandhi Institute of Medical Sciences
2020-2025

The Ohio State University
2023-2025

The Ohio State University Comprehensive Cancer Center – Arthur G. James Cancer Hospital and Richard J. Solove Research Institute
2023-2025

The Ohio State University Wexner Medical Center
2023-2025

Regional Institute of Medical Sciences
2025

Virginia Commonwealth University
2017-2024

University Health System
2019-2024

Apollo Hospitals
2004-2024

The Radiosurgery Society
2016-2024

St. Mary's Medical Center
2017-2024

The objectives of this study were to characterize (1) epidemiology brain metastases at the time primary cancer diagnosis, (2) incidence and trends synchronous from 2010 2015, (3) overall survival (OS) patients with metastases.A total 42 047 2015 identified Surveillance, Epidemiology, End Results database. Descriptive analysis was utilized analyze demographics incidence. Kaplan-Meier method a Cox proportional hazards model evaluate potential prognostic factors for OS.The majority diagnosed...

10.1093/noajnl/vdaa041 article EN cc-by Neuro-Oncology Advances 2020-01-01

Brachial plexus block is a suitable alternative to general anaesthesia for patient undergoing upper extremity surgery. Ropivacaine the S-enantiomer emerged as possible replacement of Bupivacaine without undesirable toxic effects. It provides similar duration sensory analgesia with early recovery motor block.Comparision onset, sensory- and any adverse effects between 0.5% in axillary brachial block.Prospective randomized study.This study was carried out 50 patients 18-55 y, comparable...

10.7860/jcdr/2015/10556.5446 article EN cc-by-nc-nd JOURNAL OF CLINICAL AND DIAGNOSTIC RESEARCH 2015-01-01

Limited data are currently available on clinical outcomes after stereotactic body radiation therapy (SBRT) for pediatric and adolescent young adult (AYA) patients with cancer. We aimed to perform a systematic review study-level meta-analysis characterize associated local control (LC), progression-free survival (PFS), overall survival, toxicity SBRT.

10.1016/j.adro.2022.101123 article EN cc-by-nc-nd Advances in Radiation Oncology 2023-01-05

There are limited data on dosimetric predictors of radiation-induced changes (RICs) for brainstem metastases or arteriovenous malformations (AVMs) following single-fraction stereotactic radiosurgery (SRS). We examined a multi-institutional cohort patients with AVMs treated SRS. evaluated RICs graded per CTCAE(Common Terminology Criteria Adverse Events), including D5%, D95%, D0.03 cc, and D0.5 cc (brainstem minus lesion). Univariate logistic regressions were initially performed independent...

10.1016/j.radonc.2025.110795 article EN cc-by Radiotherapy and Oncology 2025-02-01

Pleural effusion is a common problem in our country, and most of these patients need invasive tests as they can’t be evaluated by blood alone. The simplest them diagnostic pleural aspiration, techniques such medical thoracoscopy are being performed more frequently than ever before. However, physicians India treat empirically, leading to delays diagnosis, misdiagnosis complications from wrong treatments. This situation must change, the adoption evidence-based protocols urgently needed....

10.4103/lungindia.lungindia_33_24 article EN cc-by-nc-sa Lung India 2024-04-30

ABSTRACT Miliarias are a group of eccrine disorders characterized by sweat retention due to the occlusion ducts. Miliaria profunda is rarest form miliaria and occurs when ducts obstructed at dermal‐epidermal junction. A granulomatous variant centrifugal classic findings infiltrate on histology expansion deep nodules or plaques. We report rare case in an 8‐month‐old boy, with associated cardiofaciocutaneous syndrome (CFCS) pathogenic MAP2K1 germline variant.

10.1111/pde.15827 article EN cc-by-nc-nd Pediatric Dermatology 2025-01-22

10.33545/26164485.2025.v9.i1.l.1444 article EN International Journal of Homoeopathic Sciences 2025-01-01

Background: Gallstone disease is one of the most prevalent gastrointestinal diseases worldwide. Gallstones association has been consistently found with high levels triglycerides and low HDL. This study was undertaken to compare serum lipid parameters blood glucose in patients GSD effect cholecystectomy. Materials And Methods: A prospective longitudinal carried out between May 2022 March 2024 on both sexes diagnosed cholelithiasis aged 18-65 years planned for laparoscopic Aproforma especially...

10.36106/ijsr/6405384 article EN International Journal of Scientific Research 2025-03-01

Magnesium, the fourth most abundant cation in human body, plays a crucial role enzymatic activity, neurochemical transmission, and muscular excitability. Hypomagnesemia critically ill patients has been associated with neuromuscular dysfunction, cardiovascular complications, metabolic disturbances, increased morbidity. This study aims to determine prevalence of hypomagnesemia evaluate its impact on disease severity, length ICU stay, ventilator dependency, mortality. prospective observational...

10.7759/cureus.81656 article EN Cureus 2025-04-03

Introduction: Effective postoperative pain management is essential for patient recovery and satisfaction. Intravenous (i.v.) paracetamol magnesium sulfate are two options that have shown promise in reducing opioid use. Aim: To compare the efficacy of intraoperative i.v. versus on analgesic requirements major surgeries under general anaesthesia. Materials Methods: This prospective randomised clinical study was conducted Department Trauma Emergency at Indira Gandhi Institute Medical Sciences,...

10.7860/jcdr/2025/78394.20944 article EN cc-by-nc-nd JOURNAL OF CLINICAL AND DIAGNOSTIC RESEARCH 2025-05-01

2031 Background: Advancements in radiotherapy delivery through both hippocampal sparing whole brain (WBRT) and stereotactic radiosurgery (SRS) can better preserve QOL reduce cognitive decline. However, even patients treated with advanced techniques have a reduction their abilities either due to radiation treatment, systemic therapy, or progression of disease. This Phase 2 Randomized Controlled Trial ( NCT05503251 ) aims evaluate the impact neuropsychological evaluation intervention certified...

10.1200/jco.2025.43.16_suppl.2031 article EN Journal of Clinical Oncology 2025-05-28

2039 Background: A common approach for patients with extensive brain metastases requiring radiation is hippocampal avoidance whole radiotherapy (HA-WBRT) prescribed memantine; this was proven to be efficacious based on NRG CC001. However, a subset of who receive HA-WBRT memantine still experience cognitive decline. Other structures important roles in memory and cognition include the corpus callosum, fornix, amygdala, hypothalamus, pituitary; these all have low propensity therefore can safely...

10.1200/jco.2025.43.16_suppl.2039 article EN Journal of Clinical Oncology 2025-05-28

Objectives The purposes of this study are to assess the effectiveness CyberKnife® stereotactic radiosurgery (SRS) in providing both initial and sustained pain relief for patients with forms trigeminal neuralgia (TN), potential prognostic factors, examine treatment-related toxicities. Methods RSSearch(®) Patient Registry was screened TN cases from July 2007 June 2015. We evaluated achieved by examining changes Visual Analog Scale (VAS) scores following SRS. Prognostic factors relating...

10.7759/cureus.554 article EN Cureus 2016-04-03

There are limited data regarding outcomes for patients with gastrointestinal (GI) primaries and brain metastases treated stereotactic radiosurgery (SRS).To examine clinical after SRS from GI evaluate potential prognostic factors.The International Radiosurgery Research Foundation centers were queried managed SRS. Primary local control (LC) overall survival (OS). Kaplan-Meier analysis was used univariate (UVA) of factors. Factors significant on UVA evaluated a Cox multivariate proportional...

10.1227/neu.0000000000002456 article EN Neurosurgery 2023-03-21
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