Anis Qureshi 🍁 on Instagram: "CT vs MRI Contrast – Iodine vs Gadolinium explained in seconds! 🧲📸 “Both CT and MRI use contrast to make hidden diseases visible – but they work in very different ways! 👉 CT Contrast: Uses iodine, which blocks X-rays and makes vessels and organs glow bright white. 👉 MRI Contrast: Uses gadolinium, a paramagnetic metal that changes hydrogen signals, making tissues shine on MRI images. ✨ Both have risks and benefits – iodine may affect kidneys, gadolinium is safer

𝐑𝐓.𝐌𝐨𝐡𝐚𝐲𝐦𝐞𝐧 on Instagram‎: "Brain Tuberculosis Tumors: Comparison of Before and After Contrast MRI 💉 Axial T1 brain MRI of a patient with CNS tuberculosis, specifically a form called tuberculomas. Top image (without contrast): The brain lesions appear faint and difficult to distinguish. Bottom image (with gadolinium contrast): These lesions are very clear, appearing bright and surrounded by a bright white ring (ring enhancement), which confirms the diagnosis and helps clinicians accur