Indications for Nuclear Medicine Scans


  • Screening for Ischemic Heart Disease
  • Baseline ECG abnormalities, Bundle branch blocks etc
  • False +ve / -ve Stress (TMT) test; (females, obese patients)
  • Pharmacological stress in patients unable to exercise
  • High risk individuals (smokers, Family history, hyperlipidemia, thrombogenic states etc.)
  • Diabetics
  • Hypertensive patients
  • Microvascular angina
  • Renal failure patients
  • Indeterminate Conventional / Coronary CT Angiogram (25-75% stenosis)
  • Follow up of patients after Angioplasty/ Bypass surgery
  • Preoperative work up of major non cardiac surgeries (joint replacements/organ transplants/Gastrointestinal and genitourinary surgeries etc.)
  • Viability Studies*- combined with cardiac FDG PET scan
  • After Heart attack
  • Before angioplasty / bypass surgery
  • Heart Failure Patients: to Differentiate ischemic vs. non-ischemic cardiomyopathy


  • Baseline study before chemotherapy
  • Assessment of LV function and wall motion
  • Assessment of Right Ventricular ejection fraction


    • Metastatic work up
      • Prostate, Breast, Lung, Renal, Urinary bladder and other cancers
      • Primary bone tumors: Osteoid osteoma, osteochondroma, Ewing’s sarcoma, Osteosarcoma, multiple myeloma etc.
      • Orthopedic Indications
      • Backache : Screening for patients without radiculopathy, failed conservative methods, Initial investigations normal but still refractory pain
      • Hip pain: Avascular necrosis / transient osteoporosis
      • Skeletal trauma
      • Sports/Athletic injuries
      • Bone infection/Osteomyelitis
      • Osteochondritis/Osteonecrosis
      • Unexplained limb pain/swelling: Reflex Sympathetic Dystrophy, Complex Regional Pain Syndrome (RSD / CRPS)
      • Metabolic bone diseases
      • Assessment of Bone Graft Viability
      • Suspected Child abuse
      • Pain in children with speech/cognitive problems ( Cerebral palsy, Down’s etc)
      • Assessment of mandibular growth and asymmetry
      • F-18 Bone Scan: NewMedd Diagnostics has whole-body F-18 PET Bone Scan facilities, which has much higher sensitivity and specificity compared to conventional bone scan for all of the above mentioned indications; while conventional bone scan is a planar study, F-18 bone scan is a whole body tomographic study.


      • Renal perfusion and function
      • Diuretic RDS (Lasix renal scan)
      • Evaluate functional significance of hydronephrosis
      • Determine need for surgery
      • obstructive hydronephrosis – surgical Rx
      • non-obstructive hydronephrosis – medical Rx
      • Renovascular Hypertension (Captopril renal scan)
      • Pre-surgical quantitation (nephrectomy)
      • Renal transplant evaluation
      • Immediate
      • Chronic follow up
      • Congenital anomalies, masses
      • Split (Differential) renal function

    Measuring renal function:

            • TC-99m DTPA to measure GFR
            • TC-99m EC to measure ERPF


            • Infection (renal morphology scan)
            • Determine involvement of upper tract in acute UTI (acute pyelonephritis)
            • Detect cortical scarring (chronic pyelonephritis)
            • Follow-up post treatment
            • Congenital anomalies
            • Ectopic Kidney, evaluation of single kidney etc


            • Evaluation of children with recurrent UTI
            • Follow up after initial voiding cystogram (Nuclear MCU)
            • Assess effect of therapy / surgery
            • Screening of siblings of reflux patients
            • UTI in girls
            • To calculate Post void residual volume


            • Patients with frank thyrotoxicosis or suppressed TSH on screening tests
            • To differentiate Dequervain’s or silent thyroiditis from Grave’s disease
            • Solitary thyroid nodules (functioning or non-functioning)
            • Search for ectopic thyroid tissue (thyroid hemiagenesis, lingual thyroid etc)
            • Diagnosis of congenital athyreosis
            • Determination of the nature of abnormal neck or chest (mediastinal) masses

    I-131 Thyroid Scan – Whole Body Scan

          • Evaluation of thyroid remnants after surgery
          • Detection of functioning thyroid metastases
          • Perchlorate discharge test


          • Detection of single / multiple / ectopic adenoma before surgery
          • Confirmation of adenoma before surgery
          • Localisation of adenoma after unsucceful surgery (ectopic glands)

    I-131 MIBG SCAN:

          • Suspected Pheochromocytoma
          • Evaluation of adrenal incidentalomas/masses
          • Neuroblastoma
          • Characterization of retroperitoneal/ mediastinal masses (supected neuroendocrine origin)


          • Neuroreceptor SPECT
          • Movement disorders: TRODAT SPECT
          • Differentiation of viable brain tumor v/s radiation necrosis
          • Work up of dementias


          • Gastric Emptying and Gastroesophogeal Reflux Studies
          • Gastrointestinal Bleeding Studies
          • Meckel’s Diverticulum
          • Duplication cyst
          • Inflammatory Bowel disease


          • Cholecystitis
          • Acute
          • Chronic Calculus/Acalculus
          • Gallbladder Ejection fraction
          • Rt subcostal pain: USG normal
          • Rec post prandial dyspepsia
          • Further evaluation of pts with Gall stones on USG
          • F/u after surgical interventions to evaluation Bile leak
          • Spontaneous biliary peritonitis
          • Biliary enteric pathway patency
          • Neonatal hepatitis vs EHBA/ Inspissated bile syndrome
          • Evaluation Congenital anomalies / Choledochal cysts


          • Early detection of cirrhosis (liver dysfunction)
          • Evaluation of portal hypertension
          • Hepatic versus extra hepatic causes
          • Differentiate Reidel’s lobe versus pathological hepatomegaly
          • Accurate liver dimension measurement


          • Pulmonary embolism
          • Pre Pneumonectomy Evaluation


          • Lymphoscintigraphy for sentinel lymph node detection,
          • detection of Chyluria, Evaluation of Lymphoedema
          • Venography for Evaluation of Deep vein thrombosis
          • Scintimammography for Breast cancer detection
          • Infection imaging
          • Fever of unknown origin
          • Osteomyelitis

    Indications for PET/CT Scans


          • Malignancy of unknown origin (MUO) : to look for primary
          • Metastases detected by other limited investigations / FNAC / biopsy / surgery
          • Pathological fractures
          • PETCT guided biopsy

    Suspicion of Malignancy :

          • Masses / SOLs in different organs on clinical examination or other investigations (eg. Lung mass on Xray, breast lump on dig mammo, mass in abdomen-pelvic organs on USG etc)
          • Regional / Generalized lymphadenopathy / organomegaly
          • Suspected myeloma
          • Staging work up of patients with several cancers
          • Before surgery
          • Before Chemotherapy
          • Before radiotherapy
          • Monitoring response to treatment
          • After Surgery
          • After or during Chemotherapy
          • After or during radiotherapy
          • Follow up of treated patients of several cancers


          • F-18 Bone Scan
          • Metastatic work up of various malignancies
          • Diabetic foot
          • Stress fracture in spine
          • Ga-68 Somatostatin receptor scintigraphy with DOTANOC / TOC etc (Ga-68 SRS PET)
          • Suspected neuroendocrine tumors: Pheochromocytoma / Neuroblastoma / carcinoid / Insulinoma / VIPOMA/ Glucaganoma / Gastrinoma – ZE syndrome etc
          • Before Radionuclide-Somatostatin receptor therapy in patients with advanced neuroendocrine tumors
          • Ga-68 PSMA
          • Suspected Prostate cancer
          • Known prostate cancer for staging
          • Follow up of prostate cancer patients


          • Dementia
          • Epilepsy
          • Movement disorders
          • Head injury
          • Psychiatric Disorders– obsessive compulsive disorder, schizophrenia, depression, panic disorder, drug abuse


          • Viability studies
          • After Heart attack; before revascularization procedures
          • Heart failure


          • FDG PET in fever of unknown origin / vasculitis / diabetic foot


          • Radio iodine therapy for Hyperthyroidislm
          • Grave’s disease / Toxic multi nodular Goiter / Autonomous nodule
          • Radioiodine therapy for thyroid cancer
          • Remnant ablation
          • Lobar ablation
          • Treatment for lymph node or lung or skeletal / visceral Metastases
          • Pain palliation for skeletal metastases
          • 32 Phosphorous / 153Samarium / 89 Strontium therapy
          • Radiation Synovectomy for
          • Hemophilic Arthropathy
          • Rheumatiod Arthritis
          • Villonodular Arthritis
          • Advanced stage neuroendocrine tumors
          • MIBG Therapy: for pheochromocytoma / paragangliomas
          • Lu-177 Somatostatin receptor therapy: various other neuroendocrine tumors
          • Indium 111 based therapy
          • Radioimmunotherapy*

    Our Services

    • PETCT Scan

      In one continuous full-body scan (usually about 30 minutes), PET captures images of miniscule changes in the body’s metabolism caused by the growth of abnormal cells.

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    • Nuclear Medicine

      NM is a specialized form of medical imaging where small amount of radioactive isotopes are attached to molecules or chemicals which then form “Radiopharmaceuticals”.

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    • SPECT

      Myocardial perfusion imaging (MPI) is a non-invasive procedure used to test for significant coronary artery disease (CAD).

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    • Radionuclide Therapy

      Many radioisotopes, radio labelled conjugates are available for treatment of difficult medical conditions; Some of them are the treatment of choice for the given conditions.

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    • Multi Slice CT

      CT Scan or computed tomography is a painless and a non-invasive medical test that helps physicians diagnose and treat medical conditions.

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