Ash Udgata Writes Group

Introduction

Positron Emission Tomography (PET) Nuclear Medicine is an advanced medical imaging technique that allows clinicians to visualize and measure metabolic and biochemical activity within the body. Unlike traditional imaging modalities such as CT or MRI, which focus on structural details, PET scans provide functional information—helping detect diseases at the molecular level, often before anatomical changes occur.

PET imaging is widely used in oncology, cardiology, and neurology, providing critical insights into cancer detection, brain disorders, and heart diseases. It plays a central role in precision medicine, enabling personalized diagnosis, treatment planning, and monitoring of therapeutic response.

Working Principle

PET imaging involves the use of radiopharmaceuticals—radioactive tracers labeled with positron-emitting isotopes such as Fluorine-18 (¹⁸F), Carbon-11 (¹¹C), Nitrogen-13 (¹³N), or Oxygen-15 (¹⁵O).

The process includes:

Pharmacovigilance is a vital discipline within the healthcare and pharmaceutical industries that focuses on detecting, assessing, understanding, and preventing adverse effects of medicines. As the global use of drugs and biologics continues to expand, the importance of pharmacovigilance has grown significantly to safeguard patient safety and maintain trust in medical treatments.

The primary goal of pharmacovigilance is to monitor the safety of pharmaceutical products once they are approved and introduced into the market. While clinical trials provide critical insights, they often involve limited participants and controlled environments. Post-marketing surveillance, therefore, becomes crucial in identifying rare, long-term, or unexpected side effects that may not have been evident during trials. Through systematic collection and analysis of adverse drug reactions (ADRs), pharmacovigilance helps in updating risk-benefit profiles of medicines and guiding necessary regulatory actions.

Pharmaceutical companies, regulatory authorities, and healthcare professionals all play essential roles in this process. Organizations such as the World…

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