SPECT

Skeletal: To evaluate the distribution of active bone formation in the body. To evaluate metastasis, osteomyelitis, orthopaedic problems or sports injuries.

Renal: To know functional status of the kidneys, tubular transit status, adequacy of PUJ and vesico-ureteric reflux.

Cardiac: Rest and stress myocardial perfusion scans can assess viability and stress-induced perfusion defects.

Multigated acquisition (MUGA) scan can calculate the left ventricle ejection fraction.

Breast: To evaluate cancer cells in breasts.

Lung: To evaluate perfusion defects and pulmonary thromboembolism.

Thyroid: To assess the functioning of thyroid gland and to evaluate thyroid nodules. To evaluate thyroid malignancies.

Parathyroid: To evaluate parathyroid adenomas.

Eyes: In the evaluation of dacryocystitis and lacrimal duct obstruction.

Gastroenterology: RBC labelled GI bleed can detect active, intermittent lower gastro esophageal bleed.

Esophageal motility studies in distinguishing organic from non-organic disease. GE reflux study can assess GE reflux. Gastric emptying scan can assess stomach’s ability to empty.

Meckel’s scintigraphy in assessing meckel’s diverticulum.

Hepatobiliary Scintigraphy is used in evaluation of cholecystitis, neonatal jaundice and gall bladder dyskinesia. Liver Scintigraphy can evaluate hepatomegaly, splenomegaly, fatty liver, liver metastasis, liver lesions, cirrhosis, alcoholic hepatitis, budd chiari syndrome and liver trauma.

Neuro: To evaluate cerebrovascular disease, dementia, presurgical localization of epileptic foci, brain trauma and herpes simplex encephalitis and CSF leak.

Lymphatic system: To evaluate upper limb and lower limb swellings as in cases of filariasis, congenital lymphatic hypoplasias or aplasisas, post-surgical lymphatic obstructions.

Venous system: In the diagnosis of DVT.