Nuclear Medicine

Nuclear Medicine Department

Nuclear medicine is the science of diagnosing and treating diseases using radioactive materials. Radiopharmaceuticals resemble molecules within the body and can be traced from outside the body. Therefore, after administering the radiopharmaceutical, it is easy to examine various organs and the changes caused by diseases. In fact, many diseases can be diagnosed even before they are detected by anatomical imaging methods such as CT scans; it is also possible to follow up on diseases and evaluate their response to treatment. The Nuclear Medicine Department of Pardis Noor Imaging Center, equipped with state-of-the-art and advanced equipment, is capable of performing a wide range of scans with excellent quality.

انکولوژی

This unit, utilizing advanced technologies, assists physicians in not only accurately determining the disease stage (Staging), but also in the early detection of tumor recurrence and precise assessment of cancer cell response to treatment protocols. One of the key advantages of this method is its ability to distinguish viable tumor tissue from necrotic (dead) or fibrotic tissue after treatment, which is crucial for subsequent decision-making. Furthermore, these diagnostic tools provide the treatment team with high accuracy and confidence in characterizing the nature of tumors, differentiating benign from malignant lesions, and diagnosing specific tumors such as neuroendocrine tumors.

Skeletal System

Nuclear imaging in this department is an unparalleled tool for the accurate diagnosis of bone disorders that are not easily visible on conventional radiology. These services include:

Fracture and Infection Diagnosis: Early detection of osteomyelitis (bone infection), stress fractures (caused by repetitive strain), and occult fractures.
Metastasis Surveillance and Unexplained Pain: Detailed assessment of cancerous cell spread to the bones and identifying the cause of bone pain of unknown origin.
Specialized TMJ (Temporomandibular Joint) Assessment: Examination of the temporomandibular joint to uncover the causes of pain, locking, or deviation of the jaw.
SPECT Technology: Utilization of advanced computed tomography to evaluate lesions in complex areas such as the lumbar vertebrae and the wrist, as well as the diagnosis of benign tumors like osteoid osteoma.
Innovative Treatments and Prosthesis Complications: Performing radiosynovectomy for the treatment of rheumatoid arthritis and hemophilia, diagnosing avascular necrosis, and assessing prosthesis infection or loosening.

Genitourinary System

This unit, utilizing radioisotope scans, enables accurate differentiation of hydronephrosis from urinary obstructions, diagnosis of renovascular hypertension, and assessment of transplant kidney health, and serves as a safe option for GFR measurement in patients sensitive to contrast media. Additionally, employing specialized DMSA scans, precise diagnosis of acute pyelonephritis, evaluation of renal scarring, congenital abnormalities, and trauma has been made possible. In the urology section, services such as scrotal scan for immediate diagnosis of torsion (testicular torsion) and radioisotope cystography for detecting and monitoring urinary reflux treatment are performed with minimal radiation exposure.

Gastrointestinal System

These services include hepatobiliary scanning for the immediate diagnosis of acute cholecystitis, biliary atresia in neonates, and evaluation of post-surgical complications. Additionally, liver-spleen and hemangioma scans allow parenchymal diseases such as cirrhosis, hepatitis, and various liver tumors to be differentiated with high accuracy. In the functional domain, services such as esophageal reflux studies, gastric emptying time measurement, detection of lower gastrointestinal bleeding, and identification of ectopic gastric mucosa (Meckel’s diverticulum) are offered; furthermore, innovative intra-arterial treatment methods for liver tumors, combined with dedicated imaging, provide a precise pathway for the management of malignant diseases.

Central Nervous System

These services include accurate diagnosis of various types of dementia and Alzheimer’s (including early stages or MCI), investigation of vascular diseases such as transient ischemic attacks (TIA), and evaluation of neurological complications following brain trauma and seizures. Additionally, utilizing Technetium brain scan and radioisotope methods, vital services such as confirmation of brain death, diagnosis of herpes encephalitis, and cisternography to identify cerebrospinal fluid (CSF) leak are performed. Moreover, assessment of cerebral shunt patency and differential diagnosis of various types of hydrocephalus (such as NPH) are among other capabilities of this section, assisting physicians in making the most precise treatment decisions.

Heart Scan

This unit, through accurate assessment of blood supply to the heart muscle, enables evaluation of treatment response and vital pre-operative assessments before major surgeries. Additionally, determining myocardial viability to guide decision-making for surgery or stenting is a key capability of this section. Notably, in all these cases, in addition to perfusion assessment, advanced Gated imaging is also performed, which provides the medical team with precise measurement of ejection fraction (EF), visualization of wall motion, and comprehensive analysis of cardiac function.

Endocrine System

Our specialized Endocrine System department provides comprehensive services for the diagnosis and treatment of hormonal disorders, including thyroid scans for accurate evaluation of nodules, detection of ectopic thyroid tissue, and differentiation of thyroiditis from hyperthyroidism; this section plays a vital role especially in the early diagnosis of neonatal hyperthyroidism. Moreover, utilizing advanced SPECT technology, precise identification of parathyroid adenoma and diagnosis of specific neuroendocrine tumors and their metastases has been made possible. In addition to diagnostic aspects, this center is also active in the definitive treatment of hyperthyroidism, providing patients with a safe and scientific pathway for the management of glandular diseases.

Other Services

These services include lacrimal duct scanning for precise localization of obstruction, and lung perfusion scanning for the diagnosis and monitoring of embolism, evaluation of cardiopulmonary shunts, and accurate determination of differential lung function prior to thoracic surgeries. Furthermore, this unit, utilizing specialized Gallium and Tc-UBI scans, provides treatment teams with a powerful tool for identifying infectious foci (particularly in orthopedic prostheses), diagnosing sarcoidosis, and assessing its activity level, so that the most precise treatment pathway can be charted for patients.

Departments of Pardisnoor

A wide array of advanced imaging and therapeutic services is offered, including CT scans, MRI, digital radiology, mammography, ultrasound, bone density assessments, and digital dental care.
Interventional clinics, fully equipped to perform minimally invasive procedures under ultrasound and fluoroscopy guidance, are prepared to deliver comprehensive services.

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Frequently Asked Questions

What is the difference between nuclear medicine and other imaging methods?

A: Nuclear medicine provides functional and metabolic information about the body that is not visible with conventional imaging methods. This enables early diagnosis of diseases, evaluation of treatment response, and monitoring of disease recurrence.

How does PET scan help in diagnosing cancer?

PET scan, by displaying the metabolic activity of cancer cells, determines the location and extent of the tumor. This method enables precise staging, targeted treatment planning, and treatment follow-up.

Is undergoing nuclear medicine and PET scan safe?

Yes, these procedures are performed using very small amounts of radiopharmaceuticals and are generally safe. Adhering to preparation guidelines before the scan is essential for obtaining the most accurate and safest results.

Nuclear Medicine