PET-CT SCAN

18-F-Fluoro Deoxy Glucose (FDG) PET:

1. Diagnosis of Cancer
   • Metastasis from unknown primary
   • Paraneoplastic syndrome
   • to differentiate between Benign vs Malignant tumor
2. Determination of Biopsy site.
   • Metastatic vs Non-metastatic
   • Metabolically most active part (Representative site) of the tumor.
3. Staging
4. Treatment response evaluation (Post chemo therapy and radiation therapy)
5. Restaging in case of recurrence and defaulted patient.
6. Follow up and long term evaluation

68-Gallium- DOTA PET:

• Neuroendocrine Tumour
• Medullary Carcinoma of Thyroid

68-Gallium/ 18 Fluorine- PSMA PET:

• Metastatic Prostate Cancer
• Suspected recurrence in operated high grade Gliomas