2018
DOI: 10.1097/rct.0000000000000680
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Characterizing Intraorbital Optic Nerve Changes on Diffusion Tensor Imaging in Thyroid Eye Disease Before Dysthyroid Optic Neuropathy

Abstract: The diffusivities and FA reflected changes in the optic nerve before dysthyroid optic neuropathy in TED. The FA, in particular, reflected TED activity and severity.

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Cited by 28 publications
(32 citation statements)
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“…In this work, the ADC value of lacrimal glands in patients with thyroid eye disease is significantly higher (p = 0.001) than that of volunteers. This is explained by excess production of hydrophilic glycosaminoglycan causing retention of the water molecules within the lacrimal glands, and because there is an increase in the diffusion space of water protons in the extracellular and an increase in the intracellular dimensions of the lacrimal glands in thyroid eye disease, which increase the diffusivity of the gland [17][18][19][20][21][22]. Previous studies that applied diffusion-weighted MR imaging of the extra-ocular muscles reported that the ADC values of the extra-ocular muscles, especially the medial and lateral rectus muscle, are significantly higher in patients with thyroid eye disease than in healthy volunteers [18][19][20].…”
Section: Discussionmentioning
confidence: 99%
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“…In this work, the ADC value of lacrimal glands in patients with thyroid eye disease is significantly higher (p = 0.001) than that of volunteers. This is explained by excess production of hydrophilic glycosaminoglycan causing retention of the water molecules within the lacrimal glands, and because there is an increase in the diffusion space of water protons in the extracellular and an increase in the intracellular dimensions of the lacrimal glands in thyroid eye disease, which increase the diffusivity of the gland [17][18][19][20][21][22]. Previous studies that applied diffusion-weighted MR imaging of the extra-ocular muscles reported that the ADC values of the extra-ocular muscles, especially the medial and lateral rectus muscle, are significantly higher in patients with thyroid eye disease than in healthy volunteers [18][19][20].…”
Section: Discussionmentioning
confidence: 99%
“…Diffusion-weighted MR imaging is used for characterisation of orbital [12][13][14] and thyroid lesions [15,16]. Few studies discuss diffusion-weighted and diffusion tensor imaging of the extra-ocular muscles [17][18][19][20] and the optic nerves [21,22] in patients with thyroid eye disease.…”
Section: Introductionmentioning
confidence: 99%
“…Длительная компрессия увеличенными глазо-двигательными мышцами зрительного нерва и сосу-дов, питающих его, приводит к формированию у 2-3% пациентов оптической нейропатии [9]. Клинически это проявляется как нарушение цвето-ощущения, снижение остроты зрения и формиро-вание центральных и парацентральных скотом, в ред-ких случаях возникает болезненность при движении глаз [10].…”
Section: клинические проявления эопunclassified
“…Клинически это проявляется как нарушение цвето-ощущения, снижение остроты зрения и формиро-вание центральных и парацентральных скотом, в ред-ких случаях возникает болезненность при движении глаз [10]. При этом изменения на глазном дне носят неспецифический характер в виде стушеванности границ и отека диска зрительного нерва [9]. Злока-чественный экзофтальм является одним из наиболее тяжелых осложнений ЭОП, который характеризуется лагофтальмом с развитием язв роговиц и возмож-ностью ее перфорации, а также присоединением вторич ной инфекции [4,5,10].…”
Section: клинические проявления эопunclassified
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