SPECT (Gamma Camera)
CARDIOVASCULAR SYSTEM
Stress/ Rest Thallium Scan
- To evaluate chest pain, to diagnose coronary artery disease.
- To assess severity and extent of ischemia and risk of infarction
- To assess myocardial viability in segments with wall motion abnormality.
- Suspected CAD in long standing diabetic patients
- Cardiac evaluation in high risk non-cardiac surgery and higher risk / high responsibility jobs.
MUGA SCAN
- For accurate assessment of LV function & Ejection Fraction (Gold standard for LVEF Assessment).
Lung Ventilation Perfusion Scan
- To diagnose pulmonary Thrombo-embolism.
Venography
- To diagnose deep vein thrombosis
GASTRO-ENTEROLOGY
Hepatobiliary Scan
- To diagnose acute cholecystitis and acalculous cholecystitis.
- To assess GB dysfunction.
- To study bile drainage, biliary atresia, bile leaks.
Liver & Spleen Sulphur Colloid Scan
- To evaluate cirrhosis and portal hypertension.
- Buddchiari, nodular hyperplasia & tumors
Blood Pool Scan (Tc – 99m RBCs)
- Hemangioma of liver
- GI Bleeding
- Tc- 99m Pertechnetate Meckel’s Diverticulum (for ectopic gastric mucosa)
GIT Luminal Studies
- Oesophageal transit study in dysphagia
- GE Reflux scintigraphy, Gastroparesis, post-operative status, dysmotility etc.
- Colorectal transit time for chronic constipation and suspected obstruction
WHOLE BODY MDP BONE SCAN
- Best available technique of survey for skeletal metastasis in patients with known or suspected cancer
- Osteogenic Sarcoma and Ewing’s tumor
- Assessment of metabolic bone disease.
- Evaluation of orthopedic problems like osteoid osteoma. Paget’s Disease etc.
- Langerhans’s Cell Histiocytosis (LCH).
- Multiple Myeloma.
- Multiple Fractures in RTA (Road Traffic Accident).
- Avascular Necrosis.
- Post Knee or hip replacement prosthesis loosening.
- Polyarthropathy and sacroiliitis.
ENDOCRINOLOGY
Thyroid Scan (Technetium)
- To evaluate palpable thyroid nodule.
- To evaluate thyromegaly & toxic goiters, Gravis Disease, Autonomic Thyroid Nodules.
- To evaluate midline neck swelling.
- Thyroiditis.
- Ectopic Thyroid.
Radio-lodine I – 131 Scan
- In patients with thyroid cancer
- Post operative assessment of remnant thyroid tissue in the neck and visualization of functioning metastasis in the whole body
MIBG Scan
- To detect & localize adrenal / extra-adrenal pheochromocytoma, neuroblastoma & other neuro-endocrine tumors.
NEPHRO-UROLOGY
Tc – 99m DTPA Renal Scan
- Split renal functions.
- GFR estimation.
- Evaluation of hydronephrosis, PUJ Stenosis, VUJ obstruction.
- Renovascular Hypertension
- Transplant evaluation
Tc – 99m DMSA Cortical Scan
- Pyelonephritis
- Chronic and repeated Urinary Tract Infection
- VU Reflux disease
- Ectopic Kidney
Direct Radionuclide Voiding Cyctography (DRCG)
- Detection & follow up of vesico-ureteric reflux
- Repeated Pyelonephritis
CEREBROVASCULAR SYSTEM
Brain SPECT (Tc – 99m ECD)
- Assessment of stroke
- To detect Epileptic focus
- To evaluate dementia
Trodat Scan (Dopamine Receptor Imaging)
- Parkinsonism.
