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Nuclear Medicine

Positron emission tomography/computed tomography (PET/CT) is a rapidly growing modality that has made a tremendous impact in the care of patients with cancer.

PET scans use a small amount of a radioactive substance, or tracer, to show differences between healthy tissue and diseased tissue.

The most commonly used tracer is 18F-FDG (Fluoro-deoxy-glucose). The combination of PET/CT provides complete information about both structure (CT) and function (PET) in the human body.

Application of PET: 

Oncological Application (>95%):

Lymphoma, Head and Neck Cancers, Lung cancer, Breast cancers, RCC, Gynaecological malignancies, Metastasis, Carcinoma of Unknown Primary etc.

   Useful for:

  • Diagnosis of Malignancy

  • Staging of various cancers

  • Response Evaluation after Chemotherapy, Radiotherapy, Surgery or Immunotherapy

  • Restaging

  • Surveillance

  • PET for guided biopsy etc.

 Non Oncological Application (~5%):

  • Neurology: Dementia & Epilepsy (Temporal lobe epilepsy)

  • Cardiology: Cardiac Viability, Infection of transplanted Valve

  • Infection and inflammation: Sarcoidosis, Tuberculosis, Vasculitis, Polymyalgia Rheumatica (PMR), Relapsing Polychondritis, etc.

  • Pyrexia of Unknown Origin (PUO)