Ajit Karambelkar

ORCID: 0000-0001-8332-5158
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About
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Research Areas
  • Sarcoma Diagnosis and Treatment
  • Neurosurgical Procedures and Complications
  • Cancer Immunotherapy and Biomarkers
  • Neurofibromatosis and Schwannoma Cases
  • Spinal Fractures and Fixation Techniques
  • Multiple Myeloma Research and Treatments
  • COVID-19 Clinical Research Studies
  • Radiology practices and education
  • Venous Thromboembolism Diagnosis and Management
  • Spine and Intervertebral Disc Pathology
  • Hematological disorders and diagnostics
  • Cerebrovascular and genetic disorders
  • Ultrasound in Clinical Applications
  • Neurological diseases and metabolism
  • Soft tissue tumor case studies
  • Medical Imaging Techniques and Applications
  • Emergency and Acute Care Studies
  • Acute Myeloid Leukemia Research
  • Peptidase Inhibition and Analysis
  • Radiomics and Machine Learning in Medical Imaging
  • Cancer Treatment and Pharmacology
  • Intracerebral and Subarachnoid Hemorrhage Research
  • Endometrial and Cervical Cancer Treatments
  • Medical Imaging and Analysis
  • Radiation Dose and Imaging

Sir Sayajirao General Hospital Medical College
2025

Thomas Jefferson University Hospital
2020-2024

Thomas Jefferson University
2017-2021

Government Medical College
2020

NYU Langone Health
2016

New York University
2016

Manipulation of immune checkpoints such as CTLA4 or PD-1 with targeted antibodies has recently emerged an effective anticancer strategy in multiple malignancies. Sarcomas are a heterogeneous group diseases need more treatments. Different subtypes soft tissue and bone sarcomas have been shown to express ligand. We retrospectively analyzed cohort patients (pts) relapsed metastatic/unresectable sarcomas, who were treated nivolumab provided under patient assistance program from the manufacturer....

10.1186/s13569-016-0064-0 article EN Clinical Sarcoma Research 2016-12-01

Acute myeloid leukemia (AML) is a hematologic malignancy with poor prognosis, often presenting systemic and extramedullary manifestations. Leukemia cutis (LC), the infiltration of leukemic cells into skin, rare clinically significant complication AML. It signals disease involvement, may precede relapse, associated survival outcomes. We report case 36-year-old female AML who developed recurrent, reddish-brown nodular skin lesions on face, trunk, extremities, consistent LC. Despite achieving...

10.7759/cureus.80114 article EN Cureus 2025-03-05

Prior research has shown substantial shifts in procedure shares between specialty groups providing lumbar punctures. Our aim was to analyze national trends punctures among the Medicare population from 2010 2018.Medicare Part B Physician/Supplier Procedure Summary Master Files 2018 were analyzed for all Current Procedural Terminology, Version 4 codes related (62270 and 62272). Lumbar puncture volume utilization rates assessed stratified by place of service background providers.From 2018,...

10.3174/ajnr.a6870 article EN cc-by American Journal of Neuroradiology 2020-11-12

Multiple myeloma is a plasma cell neoplasm, which may present as solitary plasmacytoma and, uncommonly, an extramedullary plasmacytoma. Intracranial plasmacytomas manifest in central nervous system involvement cranial nerve palsies. Cranial six palsy the most common cases of malignancy. However, isolated abducens presenting multiple recurrence very uncommon. Here, we detail two intracranial lesions were within region Dorello canal, resulting acute unilateral diplopia from disease absence...

10.3941/jrcr.v18i2.5240 article EN cc-by-nc-nd Journal of Radiology Case Reports 2024-01-01

Multiple myeloma is a plasma cell neoplasm, which may present as solitary plasmacytoma and, uncommonly, an extramedullary plasmacytoma. Intracranial plasmacytomas manifest in central nervous system involvement cranial nerve palsies. Cranial six palsy the most common cases of malignancy. However, isolated abducens presenting multiple recurrence very uncommon. Here, we detail two intracranial lesions were within region Dorello canal, resulting acute unilateral diplopia from disease absence...

10.3941/jrcr.v18i1.5240 article EN cc-by-nc-nd Journal of Radiology Case Reports 2024-01-01

Solitary fibrous tumors are fibroblastic mesenchymal neoplasms that also include what was previously known as hemangiopericytoma. Dedifferentiation of solitary is rare and usually manifests a high-grade sarcoma. We report case dedifferentiation an intracranial leptomeningeal tumor to rhabdomyosarcoma in 65-year-old female. The initial biopsy demonstrated purely STAT6 positive anaplastic hemangiopericytoma overlying the occipital lobe with no evidence rhabdomyosarcomatous component. Four...

10.1016/j.hpr.2021.300585 article EN cc-by-nc-nd Human Pathology Reports 2021-12-14

We aim to assess the functional magnetic resonance (fMRI) utilization trends among Medicare population from 2007-2018. Part B Physician/Supplier Procedure Summary master files 2010-2018 and National Data Files 2007-2018 were analyzed for all Current Procedural Terminology, version 4 (CPT-4) codes related fMRI (70554, 70555, 96020). The provided total procedure volume payments. specialty used determine provider specialty. place-of-service identify locations where services provided. rate...

10.1016/j.neuri.2021.100031 article EN cc-by-nc-nd Neuroscience Informatics 2021-12-03

Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is a small vessel disease that commonly presents ischemic episodes, cognitive deficits, migraine aura, psychiatric disturbances.It caused by mutations in the NOTCH3 gene of which several specific point have been identified.We report 59year-old female confirmed CADASIL diagnosis, an atypical presentation, unreported mutation.She presented stroke-like symptoms MRI was initially read as subacute...

10.15406/ijrrt.2017.04.00094 article EN cc-by-nc International Journal of Radiology & Radiation Therapy 2017-09-20

Evaluation for intracranial hemorrhage is a common indication when performing imaging of the head in emergency setting. We present rare case active, spontaneous extravasation blood into brain parenchyma, which evolved during magnetic resonance examination. A 70-year-old woman who had no previous history hypertension or trauma underwent confusion and dysarthria. Initial sequences did not demonstrate an acute cerebral hemorrhage; however, subsequent fluid-attenuated inversion recovery, T2-...

10.1177/1971400920980151 article EN The Neuroradiology Journal 2020-12-14

The novel coronavirus disease-2019 (COVID-19) illness and deaths, caused by the severe acute respiratory syndrome coronavirus-2, continue to increase. Multiple reports highlight thromboembolic complications, such as pulmonary embolism (PE), in COVID-19. Imaging plays an essential role diagnosis management of COVID-19 patients with PE. There continues be a rapid evolution knowledge related associated This review summarizes current understanding prevalence, pathophysiology, diagnostic imaging...

10.22541/au.161675640.02782854/v1 preprint EN Authorea (Authorea) 2021-03-26

ABSTRACT Aim and objective Magnetic resonance imaging (MRI) of pelvis as a one-stop shop modality for locoregional staging carcinoma the cervix. Compare MRI with clinical Materials methods We conducted pelvic examinations on histological proved 83 cases cervical 1.5 T scanner. Results demonstrated mass in 79 out (95%) patients. No lesion was 4 patients, who were clinically diagnosed stage I. X 2 test value 43.6 p < 0.01 indicating significant difference between by that staging. Z score...

10.5005/jp-journals-10032-1193 article EN Journal of SAFOMS 2020-01-01
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