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Penunjang Radiodiagnostik

pada Opthalmologydr. Sri Mulyati Noer, Sp. Rad

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Penunjang Radiodiagnostik

• Foto Rheeze position >> sudah ditinggalkanHanya mendeteksi dinding orbita, fissura orbitalissuperior, fissura orbitalis inferior

• USGMendeteksi lensa, corpus vitreous, retina, optic discNormalnya : Lensa terlihat capsula ant-post, corpusvitreous echo luscent, dinding retina terlihat, jikaada lekukan kedalam : makula lutea.

• CT Scan• MRI

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Katarak

• Terjadi kekeruhan pada lensa mata• Gambaran : high density echo level pada lensa (USG), sering ada

kalsifikasi

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Retinoblastoma

• It is a common congenital malignant tumour arising from theneurosensory retina in one or both eyes.

• Origin : It arises as malignant proliferation of the immature retinalneural cells called, retinoblasts, which have lost both antioncogenicgenes.

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Macam Retinoblastoma

Endophytic retinoblastoma• It grows inwards from the retina into the vitreous cavity.• Calcification (+)Exophytic retinoblastoma• It grows outwards and separates the retina

from the choroid.• Opacity associated with retinal detachment.• Calcification (+).• Progressive enlargement, of tumour bursts the sclera,usually near the limbus or near the optic disc. It is followed

by rapid fungation and involvement of extraocular tissuesresulting in marked proptosis

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