Dimensions of the optic chiasm: quantitative ultrasound comparison between fetuses with anophthalmia/microphthalmia and normal fetuses | Zendy

Lihong Wu | Zendy; Qiao Zheng | Zendy; Miao He | Zendy; Lihe Zhang | Zendy; Liu Du | Zendy; Hongning Xie | Zendy

Open Access

Dimensions of the optic chiasm: quantitative ultrasound comparison between fetuses with anophthalmia/microphthalmia and normal fetuses

Author(s) -

Lihong Wu,

Qiao Zheng,

Miao He,

Lihe Zhang,

Liu Du,

Hongning Xie

Publication year - 2021

Publication title -

quantitative imaging in medicine and surgery

Language(s) - English

Resource type - Journals

eISSN - 2223-4292

pISSN - 2223-4306

DOI - 10.21037/qims-21-151

Subject(s) - decussation , microphthalmia , anophthalmia , optic chiasm , optic nerve , anatomy , fetus , optic tract , medicine , ophthalmology , biology , pregnancy , biochemistry , genetics , gene

The precise pathogenesis of anophthalmia/microphthalmia remains unknown. Prenatal observation of the optic chiasm in fetuses with this malformation would assist in understanding the embryonic development of the condition. The present study aimed to establish the normal fetal size ranges of decussation of the optic chiasm, optic nerves, and optic tracts in the axial plane using two-dimensional transabdominal ultrasound throughout gestation and to compare these ranges to the corresponding values in fetuses with anophthalmia/microphthalmia.

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