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Introduction Ultrasound is one of the most widely used medical imaging technologies. It uses high-frequency sound waves to create images of structures inside the body without using ionizing radiation. While traditional 2D ultrasound remains an important diagnostic tool, advances in imaging technology have introduced 3D ultrasound, which can capture and reconstruct volumetric information. These technologies are closely related, but they are not interchangeable in every clinical situation. So, wha …

Modern medicine is moving beyond treating every patient with the same standardized approach. One of the most promising examples is theranostics, a precision-medicine strategy that combines diagnostic testing with targeted treatment. The term blends two words: therapeutics and diagnostics. In nuclear medicine, theranostics typically uses two closely related radiopharmaceuticals. One is designed to locate and image a specific biological target, while the other delivers radiation directly to cells …