A Gamma Camera is an advanced diagnostic imaging device used in nuclear medicine to visualise the function of organs and tissues in the body. Unlike conventional imaging techniques that show anatomical structures, gamma cameras detect the distribution of radioactive tracers administered to the patient, providing functional information about organs such as the heart, thyroid, bones, kidneys, lungs, and brain. This makes it invaluable in diagnosing and monitoring a wide range of medical conditions.

The procedure involves administering a small, safe amount of a radiopharmaceutical intravenously or orally. The gamma camera then detects gamma rays emitted by the tracer as it accumulates in specific organs or tissues. The camera rotates around the patient or remains stationary, capturing high-resolution images that are reconstructed into 2D or 3D scans. Specialised studies, such as Single Photon Emission Computed Tomography (SPECT), enhance image clarity and provide detailed functional assessment.

Gamma camera imaging is commonly used for myocardial perfusion scans, bone scans for metastases, thyroid scans, renal function assessment, and the detection of tumours or infections. In cardiology, it evaluates blood flow and heart muscle viability, aiding in the diagnosis of coronary artery disease. In oncology, it helps detect metastatic spread and monitor treatment response. The procedure is non-invasive, generally painless, and radiation exposure is minimal, adhering to strict safety protocols. The Gamma Camera department works in collaboration with nuclear medicine physicians, radiologists, cardiologists, and oncologists to ensure accurate diagnosis and effective treatment planning. By combining functional imaging with clinical evaluation, gamma camera studies allow early detection of disease, precise assessment of organ function, and improved patient outcomes. Its ability to detect physiological changes before structural changes occur makes it a powerful tool in modern medical diagnostics.