Junior Resident, Nuclear Medicine, All India Institute of Medical Sciences, New Delhi (2015-2018). Senior Resident, Nuclear Medicine, All India Institute of Medical Sciences, New Delhi (2018-2021)

Diagnostic Nuclear Medicine

• General Nuclear Medicine & SPECT CT Imaging
• PET CT imaging (Nuclear imaging in Oncology, Cardiology, Neurology, Endocrinology, Gastroenterology, Nephrology, Infection and Inflammation)

Therapeutic Nuclear Medicine

• Radio-iodine Therapy for Malignant and Benign Thyroid diseases
• Prostate Cancer (225Ac & 177Lu-PSMA),
• Neuroendocrine Cancer (225Ac & 177Lu-DOTATATE),
• Pheochromocytoma, Paraganglioma, Neuroblastoma (131I – MIBG & 225Ac & 177Lu-DOTATATE)
• Radioembolization- SIRT/TARE for liver tumors
• Targeted Alpha Therapeutics
• Radionuclide therapy for bone pain palliation
• Radiosynoviorthesis
• Translational Radionuclide Therapies

• MBBS (Pushpagiri Medical College, Tiruvalla)
• MD (Nuclear Medicine), AllMS, New Delhi

• Society Of Nuclear Medicine, India (SNMI)
• Indian Thyroid Society
• Member of European Association of Nuclear Medicine
• European Society of Medical Oncology (ESMO)
• American Society of Clinical Oncology (ASCO)

• Awarded Fellow of the European Board of Nuclear Medicine, during EANM Congress 2024 in Hamburg, Germany.

Publications

1. Arunraj ST, Parida GK, Damle NA, Arora S, Reddy S, Chakraborty D, et al. 68Ga-DOTANOC PET/CT in Medulloblastoma. Clin Nucl Med. 2018 May;43(5):e145–6.

2. ArunRaj ST, Tripathi M, Tripathi M, Sachani H, Singh R, Jaleel J, et al. Extrastriatal Peri-infarct Accumulation of 99mTc-TRODAT. Clin Nucl Med. 2020 Apr 21;

3. Arunraj ST, Damle NA, Bal C, Gupta Y, Pal S. Insulinoma - The incremental value of somatostatin receptor positron emission tomography. Indian J Endocrinol Metab. 2017 Feb;21(1):255–6.

4. ArunRaj ST, Kumar A, Kp H, Mohan N, Gupta S, Tripathi M, Bal C. Metastatic Medulloblastoma: 18F-FDG and 68Ga-DOTANOC PET/CT in Response Evaluation. Clin Nucl Med. 2021 May 1;46(5):e262-e263. doi: 10.1097/RLU.0000000000003435. PMID: 33315670.

5. Mittal A, Arun Raj ST, Gupta A, Shamim SA, Barwad A, Rastogi S. Immune Checkpoint Inhibitors in Alveolar Soft Part Sarcoma: New Standard of Care? J Adolesc Young Adult Oncol. 2020 Dec 16. doi: 10.1089/jayao.2020.0167. Epub ahead of print. PMID: 33326306.

6. Tripathy S, Prakash S, Arun Raj ST, Kumar A, Shamim SA. 3P’s of Wermer/MEN1 Syndrome on 68Ga-DOTANOC PET/CT Scan. Clin Nucl Med. 2020 Aug 11;

7. Kumar A, Ballal S, Yadav MP, ArunRaj ST, Haresh KP, Gupta S, et al. 177Lu-/68Ga-PSMA Theranostics in Recurrent Glioblastoma Multiforme: Proof of Concept. Clin Nucl Med. 2020 Jun 17;

8. Parida GK, Tripathy S, Arun ST, Tripathi M, Shamim SA. A Rare Case of Sinonasal Malignant Melanoma - Local, Regional, and Distant Spread Accurately Detected by 18F Fluorodeoxyglucose Positron Emission Tomography/Computed Tomography. Indian J Nucl Med IJNM Off J Soc Nucl Med India. 2020 Jun;35(2):160–1.

9. Passah A, Agarwal KK, ArunRaj ST, Kumar R, Bal C. A rare site of hyoid bone metastasis in patients with renal cell carcinoma on 18F-fluorodeoxyglucose-positron emission tomography/computed tomography scan. Indian J Nucl Med IJNM Off J Soc Nucl Med India. 2016 Dec;31(4):319.

10. Ballal S, Yadav MP, Kramer V, Moon ES, Roesch F, Tripathi M, Arun Raj S T et al. A theranostic approach of [68Ga] Ga-DOTA.SA.FAPi PET/CT-guided [177Lu]Lu-DOTA.SA.FAPi radionuclide therapy in an end-stage breast cancer patient: new frontier in targeted radionuclide therapy. Eur J Nucl Med Mol Imaging. 2020 Aug 11;

11. Tripathy S, Parida GK, Naswa N, Subudhi K, S T ArunRaj, Reddy S. Elastofibroma Dorsi: Findings on 18F-Fluorodeoxyglucose Positron Emission Tomography-Computed Tomography. Indian J Nucl Med IJNM Off J Soc Nucl Med India. 2019 Sep;34(3):258–9.

12. Tupalli A, Damle NA, S T Arunraj, Mangu BS, Kumar A, Khan D, et al. An Unusual Case of Simultaneous Cricoid and Thyroid Cartilage Metastases from Prostatic Adenocarcinoma on 68Ga-PSMA PET/CT. Nucl Med Mol Imaging. 2020 Feb;54(1):61–2.

13. Prabhu M, Damle NA, Gupta R, Arora S, Arunraj ST, Bal C. Demonstration of 68Ga-prostate-specific Membrane Antigen Uptake in Metastatic Pancreatic Neuroendocrine Tumor. Indian J Nucl Med IJNM Off J Soc Nucl Med India. 2018 Sep;33(3):257–8.

14. Tripathy S, Arun Raj ST, Subudhi K, Kaushik P, Kumar R. Low-Grade melanoma with Osseous and Pulmonary Metastases: Role of 18F-Fluorodeoxyglucose Positron Emission Tomography-Computed Tomography in Initial Staging. Indian J Nucl Med IJNM Off J Soc Nucl Med India. 2020 Jun;35(2):185–6.

15. Sakthivel P, Thakar A, Arunraj ST, Bhalla AS, Kumar R. Fusion 68Ga-Prostate-Specific Membrane Antigen PET/MRI on Postoperative Surveillance of Juvenile Nasal Angiofibroma. Clin Nucl Med. 2020 Jul;45(7):e325–6.

16. Tupalli A, Harish NN, Kumar A, S T Arunraj, Tripathi M, Chandrasekhar B. Oral Administration of 18F-Fluorodeoxyglucose as a Possible and Acceptable Alternative Route in Patients with Difficult Intravenous Access. Indian J Nucl Med IJNM Off J Soc Nucl Med India. 2019 Jun;34(2):176–7.

17. Tripathy S, Bharadwaj MS, Arun Raj ST, Rastogi S, Shamim SA, Prakash S. Inflammatory Myofibroblastic Tumor: Findings on 68Ga-DOTA-NOC Positron-emission Tomography-Computed Tomography. Indian J Nucl Med IJNM Off J Soc Nucl Med India. 2020 Jun;35(2):170–1.

18. Sahoo MK, Arunraj ST, Srivastava AK, Sahoo RK, Kumar R, Bal C. Paraneoplastic syndrome turned out to be non-Hodgkin’s lymphoma on 18F-fluorodeoxyglucose positron emission tomography/computed tomography. Indian J Nucl Med IJNM Off J Soc Nucl Med India. 2016 Dec;31(4):292–4.

19. Arora S, Prabhu M, Damle NA, Bal C, Kumar P, Nalla H, S T Arunraj et al. Prostate-specific Membrane Antigen Imaging in Recurrent Medullary Thyroid Cancer: A New Theranostic Tracer in the Offing? Indian J Nucl Med IJNM Off J Soc Nucl Med India. 2018 Sep;33(3):261–3.

20. Arora S, Damle NA, Passah A, Sharma R, Goyal H, Arunraj ST, et al. Tracer Accumulation in Relation to Venous Thrombus on 18F-DOPA PET/CT in a Case of Persistent Hyperinsulinemic Hypoglycemia of Infancy. Nucl Med Mol Imaging. 2019 Apr;53(2):148–51.

21. Tripathy S, Gupta R, Arun Raj ST, Bal C, Shamim SA. Pheochromocytoma: Positive on 131I-MIBG Single-Photon Emission Computed Tomography-Computed Tomography and Negative on 68Ga DOTANOC Positron Emission Tomography-Computed Tomography. Indian J Nucl Med IJNM Off J Soc Nucl Med India. 2019 Sep;34(3):254–5.

22.Arora S, Damle NA, Reddy KS, Parida GK, Singhal A, Arunraj ST, et al. Unilateral Brown Fat Suppression on FDG PET/CT-detecting Sympathetic Denervation. Indian J Nucl Med IJNM Off J Soc Nucl Med India. 2018 Jun;33(2):167–8.

23. Tripathy S, Parida GK, Naswa N, Jha P, Reddy S, Arun Raj ST. Right Ventricle Metastasis from Carcinoma Rectum: Findings on 18F-Fluorodeoxyglucose Positron Emission Tomography-Computed Tomography. Indian J Nucl Med. 2020 Jan-Mar;35(1):78-79.

24. Upadhyay A, Rastogi S, Arunraj ST, Shamim SA, Barwad A. An unusual case of synovial sarcoma with breast metastasis: Findings on positron emission tomography-computed tomography. Indian J Nucl Med 2020;35:345-7.

25. Tripathy S, Rastogi S, Prakash S, Arun Raj ST, Shamim SA, Upadhayay A. 18F-fluorodeoxyglucose positron emission tomography-computed tomography in response assessment of perivascular epithelioid cell tumor of the pelvic cavity to irinotecan and temozolomide. Indian J Nucl Med 2020;35:348-9.

26. Tripathy S, Arun Raj ST, Prakash S, Thanaignathan T, Shamim SA. Response assessment of recurrent extragastrointestinal stromal tumor of the urinary bladder to imatinib: Findings on serial 18F-fluorodeoxyglucose positron emission tomography–computed tomography scans. Indian J Nucl Med 2020;35:350-2.

27. Sakthivel P, Thakar A, Prashanth A, Arunraj ST, Kumar R, Kumar R. Clinical utility of 68Ga-DOTANOC positron emission tomography computed tomography scan on postoperative assessment of juvenile nasal angiofibroma. Indian J Nucl Med 2020;35:372-3.

28. Tripathy S, Arun Raj ST, Prakash S, Sagar S, Arora G, Shamim SA. Extramedullary infiltration in multiple organs in a relapsed case of acute lymphoblastic leukemia on 18F-fluorodeoxyglucose positron emission tomography. Indian J Nucl Med 2020;35:355-7.

29. Gupta AK, M AW, Meena JP, ArunRaj ST, Mridha A, Naranje P, Kumar R, Seth R. A rare presentation of Erdheim Chester disease in a pediatric patient subsequently cured on the LCH III protocol. Cancer Rep (Hoboken). 2021 Feb;4(1): e1304. doi: 10.1002/cnr2.1304. Epub 2020 Oct 6. PMID: 33025727; PMCID: PMC7941579.

30. Sakthivel P, Thakar A, Arunraj S T, Bhalla AS, Kumar R. Advantage of 68Ga-PSMA PET/CT on Postradiotherapy Response Assessment of Juvenile Nasal Angiofibroma. Clin Nucl Med. 2021 Feb 1;46(2):e123-e124. doi: 10.1097/RLU.0000000000003359. PMID: 33156054.

31. Verma S, Vadlamani SP, Shamim SA, Barwad A, Rastogi S, Arun Raj ST. Partial response to erlotinib in a patient with imatinib-refractory sacral chordoma. Clin Sarcoma Res. 2020 Dec 12;10(1):28. doi: 10.1186/s13569-020-00149-1. PMID: 33308288; PMCID: PMC7733273.

32. Thakar A, Kumar R, Arun Raj ST, Rajeshwari M, Sakthivel P. Clinical implications of tubarial salivary glands. Radiother Oncol. 2021 Jan;154:319-320. doi: 10.1016/j.radonc.2020.12.006. Epub 2020 Dec 11. PMID: 33310001.

33. Sakthivel P, Kumar A, Arunraj ST, Thakur K, Jaiswal AS, Singh CA, Kumar R. 68Ga-Prostate-Specific Membrane Antigen PET/CT in Sinonasal Glomangiopericytoma-Exploring Theranostic Avenues! Clin Nucl Med. 2021 Apr 1;46(4):340-341. doi: 10.1097/RLU.0000000000003467. PMID: 33323738.

34. Tripathy S, Arava S, Arun Raj ST, , Marachapu J, Shamim SA et al. Paraneoplastic Cutaneous Mucinosis as Initial Presentation of Recurrence in an Operated Case of Carcinoma Ovary: True Extent of Recurrent Metastatic Disease Unveiled on 18F Fluoro-D-Glucose Positron Emission Tomography-Computed Tomography. Indian J Nucl Med. 2021 Jan-Mar;36(1):82-84. doi: 10.4103/ijnm.IJNM_77_20. Epub 2021 Mar 4. PMID: 34040308.

35. Sachani H, Tripathi M, Madhusudan KS, Semalti K, Shanker S, ArunRaj ST, Bal C. Thoracic Extradural Paraganglioma Localized on 68Ga-DOTANOC PET/CT. Clin Nucl Med. 2021 Apr 5. doi: 10.1097/RLU.0000000000003643. Epub ahead of print. PMID: 33826566.

36. Tripathy S, Dattagupta S, Prakash S, Arun Raj ST, Shamim SA. Extensive Extranodal Cutaneous Lymphomatous Involvement in a Case of Adult T-Cell Lymphoma - Advantage of 18F Fluorodeoxyglucose Positron-emission Tomography-Computed Tomography over Computed Tomography. Indian J Nucl Med. 2021 Jan-Mar;36(1):103-104. doi: 10.4103/ijnm.IJNM_74_20. Epub 2021 Mar 4. PMID: 34040316.

37. Sakthivel P, Thakar A, Verma H, Bhalla AS, Arunraj ST, Kumar R. Pterygoid Base Pneumatization Simulating Residual Disease-A Pitfall of Structural Imaging in Juvenile Nasal Angiofibroma. Clin Nucl Med. Oct 2021 - Volume 46 - Issue 10 - p e496-e497 doi: 10.1097/RLU.0000000000003612Epub ahead of print. PMID: 33826578.

38. Sakthivel P, Thakar A, Arunraj ST, Bhalla AS, Prashanth A, Kumar R. Fusion 68Ga-DOTANOC PET/MRI in Primary Juvenile Nasal Angiofibroma. Clin Nucl Med. 2021 Jul 1;46(7):e389-e390. doi: 10.1097/RLU.0000000000003540. PMID: 33630795.

39. Sarthak Tripathy, Sameer Rastogi, Sneha Prakash, Sreedharan Thankarajan Arun Raj, Sambit Sagar, Shamim Ahmed Shamim. Solitary subcutaneous tissue metastasis as recurrence in a case of primary angiosarcoma of breast: Findings on 18F-fluorodeoxyglucose positron emission tomography-computed tomography. DOI:10.4103/ijnm.IJNM_84_20

40. Tripathi M, S T ArunRaj, Tripathi M, Garg A, Ramanujam B, Snigdha, Bal C. F-18 Fluorodeoxyglucose Positron Emission Tomography Metabolic Phenotype in Myelin Oligodendrocyte Glycoprotein Antibody-Positive Autoimmune Epilepsy. Indian J Nucl Med. 2021 Jan-Mar;36(1):88-89. doi: 10.4103/ijnm.IJNM_167_20. Epub 2021 Mar 4. PMID: 34040310; PMCID: PMC8130699.

41. Ballal S, Yadav MP, Moon ES, Rösch F, ArunRaj ST, Agarwal S, Tripathi M, Sahoo RK, Bal C. First-in-Human Experience With 177Lu-DOTAGA.(SA.FAPi)2 Therapy in an Uncommon Case of Aggressive Medullary Thyroid Carcinoma Clinically Mimicking as Anaplastic Thyroid Cancer. Clin Nucl Med. 2022 Jun 1;47(6):e444-e445. doi: 10.1097/RLU.0000000000004164. Epub 2022 Apr 4. PMID: 35507435.

42. Tripathi M, ST ArunRaj, Ihtisham K, Garg A, Vibha D, Singh R, et al. Metabolic scoring in Autoimmune Epilepsy-Should APE scores be modified? Acta Neurol Scand. 2020 Sep 16;

43. Agarwal KK, Mukherjee A, ST Arunraj, Tripathi M, Bal C. Incremental value of single-photon emission computed tomography/computed tomography in the diagnosis of active condylar hyperplasia. Nucl Med Commun. 2017 Jan;38(1):29–34.

44. Pandey AK, Dhiman V, Sharma A, ArunRaj ST, Baghel V, Patel C, et al. Role of an Intensity-Transformation Function in Enhancement of Bone Scintigraphy Images. J Nucl Med Technol. 2018 Sep;46(3):274–9.

45. Thakar A, Sakthivel P, Arunraj ST, Bhalla AS, Kakkar A, Kumar R, Kumar R. Comparison of Prostate-Specific Membrane Antigen PET/CT and Contrast-Enhanced Magnetic Resonance Imaging in Follow-up Assessment of Juvenile Nasal Angiofibroma-A Novel Pilot Study. Clin Nucl Med. 2020 Dec;45(12):e498-e504. doi: 10.1097/RLU.0000000000003311. PMID: 33065615.

46. Thakar A, Sakthivel P, Arunraj ST, Bhalla AS, Prashanth A, Kumar R, Sharma SC, Kumar R. Clinical utility of Ga68 DOTANOC PET/CT imaging in juvenile nasal angiofibroma and the PARIS protocol: a preliminary report. Nucl Med Commun. 2021 May 1;42(5):517-522. doi: 10.1097/MNM.0000000000001362. PMID: 33481507.

47. Ballal S, Yadav MP, Moon ES, Kramer VS, Roesch F, Kumari S, Tripathi M, ArunRaj ST, Sarswat S, Bal C. Biodistribution, pharmacokinetics, dosimetry of [68Ga]Ga-DOTA.SA.FAPi, and the head-to-head comparison with [18F]F-FDG PET/CT in patients with various cancers. Eur J Nucl Med Mol Imaging. 2021 Jun;48(6):1915-1931. doi: 10.1007/s00259-020-05132-y. Epub 2020 Nov 26. PMID: 33244617.

48. Sakthivel P, Kumar R, Arunraj ST, Bhalla AS, Prashanth A, Kumar R, Sharma SC, Thakar A. 68 Ga DOTANOC PET/CT Scan in Primary Juvenile Nasopharyngeal Angiofibroma - A Pilot Study. Laryngoscope. 2021 Jul;131(7):1509-1515. doi: 10.1002/lary.29332. Epub 2020 Dec 23. PMID: 33355921.

49. Sakthivel P, Thakar A, Arunraj ST, Prashanth A, Kumar R, Sharma SC, et al. Physiological PSMA Uptake in the Tubarial Salivary Glands and Its Implications in the PARIS Protocol-A First Study of Its Kind! Clin Nucl Med. 2021 Mar 16;

50. Jaleel J, Tripathi M, Baghel V, Arunraj ST, Kumar P, Khan D, Tripathi M, Dey AB, Bal C. F-18 ML-104 tau PET imaging in mild cognitive impairment. Nucl Med Commun. 2021 Apr 9. doi: 10.1097/MNM.0000000000001415. Epub ahead of print. PMID: 33852534.

51. Pandey AK, Dhiman S, ArunRaj ST, Patel C, Bal C, Kumar R. Designing and Comparing Performances of Image Processing Pipeline for Enhancement of I-131-metaiodobenzylguanidine Images. Indian J Nucl Med. 2021 Apr-Jun;36(2):125-133. doi: 10.4103/ijnm.ijnm_231_20. Epub 2021 Jun 21. PMID: 34385782; PMCID: PMC8320825.

52. Rasheed AA, Barwad A, Dhamija E, Garg R, Pandey R, Shamim SA, Arun Raj ST, Rastogi S. Advanced dermatofibrosarcoma protuberans: an updated analysis of cases from an Indian sarcoma clinic. Future Sci OA. 2021 Jun 30;7(9):FSO743. doi: 10.2144/fsoa-2020-0198. PMID: 34737884; PMCID: PMC8558865.

53. Baa AK, Chellapuram SK, Sharma A, Malik PS, Sahoo RK, Biswas A, Thulkar S, Arun Raj ST, Kumar R, Malik S, Kumar L; for AIIMS Myeloma Group. Poems syndrome: consolidation with autologous stem cell transplantation. Bone Marrow Transplant. 2021 Oct;56(10):2597-2599. doi: 10.1038/s41409-021-01395-7. Epub 2021 Jul 5. PMID: 34226668.

54. Kumar A, ArunRaj ST, Bhullar K, Haresh KP, Gupta S, Ballal S, Yadav M, Singh M, Damle NA, Garg A, Tripathi M, Bal C. Ga-68 PSMA PET/CT in recurrent high-grade gliomas: evaluating PSMA expression in vivo. Neuroradiology. 2022 May;64(5):969-979. doi: 10.1007/s00234-021-02828-2. Epub 2021 Oct 14. PMID: 34648046.

55. Moothedath AW, Chopra KK, Seth R, Meena JP, Gupta AK, Kumar R, Jana M, ArunRaj ST. Role of 18-Fluorodeoxyglucose Positron Emission Tomography-Computed Tomography in Predicting Residual Disease Posttreatment Completion in Retinoblastoma Patients. Indian J Nucl Med. 2022 Apr-Jun;37(2):142-146. doi: 10.4103/ijnm.ijnm_145_21. Epub 2022 Jul 8. PMID: 35982807; PMCID: PMC9380795.

56. Pandey AK, Bisht CS, Sharma PD, ArunRaj ST, Taywade S, Patel C, et al. Identification of optimal mask size parameter for noise filtering in 99mTc-methylene diphosphonate bone scintigraphy images. Nucl Med Commun. 2017 Nov;38(11):1015–8.

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