Journal of Computer Assisted Tomography
Spinal neurilemmomas and neurofibromas: central dot sign in postgadolinium MRI.
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Přihlášení Registrace
Odkaz je uložen do schránky
Klíčová slova
Abstraktní
The MR studies of three histologically proven spinal neurilemmomas and neurofibromas were reviewed retrospectively. There were two benign neurilemmomas (schwannomas) and one neurofibroma. The common characteristic of these cases was a central low intensity focus ("dot") seen on postcontrast T1-weighted imaging. The low intensity foci corresponded histologically to a congeries of changes including edema, microcysts, foam cells, hyalinization of blood vessels, old hemorrhage, and dystrophic calcification.
