Dr. Sambit Sagar

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Dr. Sambit Sagar

Consultant – Nuclear Medicine & Molecular Imaging, PET/CT & Theranostics

MBBS, MD (Nuclear Medicine, AIIMS New Delhi), MNAMS, FANMB, DNB,

Experience : 7+ Years

Expertise : PET/CT Imaging, Theranostics, Molecular Oncology, Nuclear Cardiology, Radionuclide Therapy, Precision Oncology, Thyroid Cancer Management, Artificial Intelligence in Oncological Imaging, Neuroendocrine Tumors, Prostate Cancer Theranostics

Dr. Sambit Sagar is a Consultant in the Department of Nuclear Medicine at Mahatma Gandhi Cancer Hospital & Research Institute, Visakhapatnam. He has over 7 years of experience in Diagnostic and Therapeutic Nuclear Medicine with special expertise in advanced PET/CT imaging, molecular oncology, theranostics, radionuclide therapy, and nuclear cardiology.

He completed his MD in Nuclear Medicine from the prestigious AIIMS New Delhi and subsequently served as Senior Resident and Faculty (Assistant Professor) in the Department of Nuclear Medicine at AIIMS New Delhi. Throughout his career, he has been involved in the management of thousands of patients undergoing PET/CT imaging, radionuclide therapies, and advanced molecular imaging procedures.

Dr. Sagar has extensive experience in the diagnosis, staging, restaging, treatment planning, and therapy response assessment of a wide spectrum of cancers using advanced molecular imaging techniques. His practice focuses on precision oncology, integrating molecular imaging with personalized radionuclide therapies to achieve optimal patient outcomes.

He is internationally recognized for his contributions to Nuclear Cardiology and Molecular Imaging and has represented India at major international scientific platforms including ASNC (American Society of Nuclear Cardiology) and EANM (European Association of Nuclear Medicine).His work on use of artificial intelligence in lymphoma was awarded at SNMMI 2025(Society of Nuclear Medicine and Molecular imaging), New Orleans, Louisiana.

Expertise

Area(s) of Interest

PET/CT Imaging
Molecular Imaging
Theranostics
Nuclear Oncology
Precision Oncology
Neuroendocrine Tumor Imaging & Therapy
Prostate Cancer Imaging & Therapy
Thyroid Cancer Management
Nuclear Cardiology
Infection & Inflammation Imaging
Artificial Intelligence in Oncology Imaging
Personalized Radionuclide Therapy

Procedures Performed

PET/CT Imaging

FDG PET/CT
PSMA PET/CT
DOTATATE / DOTANOC PET/CT
FAPI PET/CT
PET/CT for Treatment Response Assessment
PET/CT for Radiotherapy Planning
PET/CT for Occult Primary Tumors
PET/CT in Infection & Inflammation

Nuclear Cardiology

Myocardial Perfusion Imaging (Stress/Rest SPECT)
Gated Cardiac SPECT
Cardiac PET Imaging
Myocardial Viability Assessment
Cardiac Risk Stratification
Pre-operative Cardiac Evaluation

General Nuclear Medicine

Thyroid Uptake & Scan
Whole Body Radioiodine Scan
Renal Dynamic Scan (DTPA)
Renal Cortical Scan (DMSA)
Diuretic Renography
GFR Measurement
Bone Scan
Three-Phase Bone Scan
Sentinel Node Mapping
Hepatobiliary Scan (HIDA)
Gastric Emptying Study
GI Bleed Scan
Meckel’s Scan
Lung Perfusion Scan
Ventilation–Perfusion Scan
Lymphoscintigraphy
Salivary Gland Scan
Lacrimal Drainage Study
Brain Perfusion SPECT
Parathyroid Scintigraphy
MIBG Imaging
Infection Imaging

Specialized Molecular Imaging

Neuroendocrine Tumor Imaging
Insulinoma Imaging
Congenital Hyperinsulinism Imaging
Prostate Cancer Molecular Imaging
Thyroid Cancer Molecular Imaging

Treatments / Procedures Offered

Radioiodine (I-131) Therapy for Thyroid Cancer
Radioiodine Therapy for Hyperthyroidism
Lu-177 PSMA Therapy
Lu-177 DOTATATE Therapy (PRRT)
Ac-225 PSMA Targeted Alpha Therapy
Theranostic Evaluation & Treatment Planning
Personalized Radionuclide Therapy
Precision Oncology-Based Molecular Treatment Planning

Academic & Clinical Achievements

More than 50 publications in indexed National and International Journals (including book chapters).
ASNC Future Leader Awardee.
Faculty Presenter at American Society of Nuclear Cardiology (ASNC).
Top Rated Oral Presenter at European Association of Nuclear Medicine (EANM).
Reviewer scientific literature in Molecular Imaging and Nuclear Cardiology.
Plenary session presenter and panelist at American Society of Nuclear Cardiology, 2024 (Austin, USA)

Education & Training

Name of Institute(s)

MD (Nuclear Medicine), AIIMS New Delhi
Senior Residency, Department of Nuclear Medicine, AIIMS New Delhi
Assistant Professor (Faculty), Department of Nuclear Medicine, AIIMS New Delhi
Fellow of the Asian Board of Nuclear Medicine (FABNM)
Member National Academy of Medical Sciences (MNAMS)
DNB (Nuclear Medicine)

Professional Highlights

Awards

ASNC Future Leader Award
TROP (Top rated Oral presenter) at EANM (European Association of Nuclear Medicine) Annual Congress
IASNM (Indo-American Society of Nuclear Medicine) Disruptive Nuclear Intervention Award SNMMI,2025 (New Orleans, USA).

Professional Achievements & Membership

Consultant, Department of Nuclear Medicine, Mahatma Gandhi Cancer Hospital & Research Institute, Visakhapatnam.
Former Assistant Professor (Faculty), Department of Nuclear Medicine, AIIMS New Delhi.
Former Senior Resident, Department of Nuclear Medicine, AIIMS New Delhi.
Founder President, Student Union, AIIMS Bhubaneswar.
Organizing Chairman, First Inter-AIIMS Festival – CHIASMA 2K16.
Organising Committee Member, SNMICON 2022.
Member, Society of Nuclear Medicine and Molecular Imaging (SNMMI), USA.
Member, American Society of Nuclear Cardiology (ASNC).
Member, Society of Nuclear Medicine India (SNMI).
Member, Nuclear Cardiology Society of India (NCSI).
Fellow, Asian Board of Nuclear Medicine (ABNM).
Member, National Academy of Medical Sciences (NAMS).