If it was removed, can doctors tell where and how much it was removed by CT image？
Can Doctors Tell the Septal Cartilage Was Removed or Reshaped in Septoplasty by CT Image?
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Doctor Answers 3
Using a CT to assess prior septoplasty
As the others have mentioned CT scans are best at picking up bone and air. Cartilage looks like skin and other soft tissue on a CT so it isn't very good at determining how much cartilage is left or whether anything was previously done to it during prior surgery.
- CT is best at picking up bone and air, and not so great for catilage
- On the images, it is tough to tell what is cartilage and what is soft tissue
- You can examine the septum and touch it with a q-tip to know how much is left
The Septum on CT imaging
The nasal septum is made of both bone and cartilage. Because CT scans (computed tomography) utilize a series of X rays, structures with bone density are reliably depicted. Soft tissue elements, like cartilage are less predictably viewed and I would not rely on a CT scan to quantify how much cartilage is present or absent.
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