50ULTRASOUND OF THE EYE

AND ORBIT

DAVID SUTTON

DAVID SUTTON PICTURES

DR. Muhammad Bin Zulfiqar PGR-FCPS III SIMS/SHL

• Fig. 50.1 (A) Normal eye showing iris (small arrow), posterior lens surface (arrow) and clear vitreous (open arrow). Horizontal scan. (B) Normal eye deviated left, showing optic nerve (arrow). Horizontal scan.

• Fig. 50.2 Vertical section of the eye and orbit. (From Cosgrove et al 2001.)

• Fig. 50.3 Horizontal section through eye. (From Cosgrove et al 2001.)

• Fig. 50.6 Colour Doppler scan showing normal central retinal artery (red) and vein (blue).

• Fig. 50.9 Ectopic lens (arrow) and retinal detachment in Homocystinuria. Horizontal scan.(From Cosgrove et al 2001.)

• Fig. 50.11 Total retinal detachment, firm anatomical attachment posteriorly at optic nerve head (arrow), and anteriorly at ora serrata. Horizontal scan.

• Fig. 50.12 Proliferative vitreoretinopathy showing triangular retinal detachment and transvitreal membrane (arrow). Horizontal scan.

• Fig. 50.14 Disciform lesion (arrow), small subretinal haemorrhage. Horizontal scan.

• Fig. 50.15 Drusen of optic nerve head (arrow). Horizontal scan. (From Cosgrove et al 2001.)

• Fig. 50.16 Choroidal detachment. Horizontal scan.

• Fig. 50.17 Choroidal and retinal detachments with vitreous collapse. Horizontal scan.

• Fig. 50.18 Suprachoroidal haemorrhage (arrow). Horizontal scan.

• Fig. 50.19 Persistent hyperplastic primary vitreous showing linear membrane (arrow). Horizontal scan, eye deviated left.

• Fig. 50.20 Intragel haemorrhage with lacuna. Horizontal scan.

• Fig. 50.21 Subvitreal haemorrhage in a diabetic.

• Fig. 50.22 Dense vitreous haemorrhage arranging into thick mobile fibrinous membranes (arrow). Horizontal scan.

• Fig. 50.23 Asteroid hyalosis. Horizontal scan.

• Fig. 50.26 Vitreoretinal adhesion (arrow). Haemorrhage within gel.

• Fig. 50.28 Fine vitreoretinal adhesion (arrow). Horizontal scan.

• Fig. 50.29 (A) Choroidal metastases (arrow). Vertical scan. (B) Colour Doppler scan.

• Fig. 50.31 Cottage-loaf shaped melanoma below retinal detachment (arrow). Horizontal scan.

• Fig. 50.32 Melanoma showing vascularity. Power Doppler scan.

Fig. 50.33 Melanoma bursting through Bruch's membrane (white arrow). Choroidal excavation (black arrow).

• Fig. 50.35 Melanoma (arrow) and associated subretinal haemorrhage (open arrow).

• Fig. 50.36 Extraocular extension of melanoma (arrow). Horizontal scan.

• Fig. 50.37 Ciliary body melanoma (arrow). Horizontal scan.

• Fig. 50.38 Osseous choristoma (arrow).

• Fig. 50.40 Retinoblastoma with calcium deposits (arrow).

• Fig. 50.42 Retrolental fibroplasia showing retinal loop (arrow).

• Fig. 50.43 Choroidal thickening (arrows) following penetrating injury.

• Fig. 50.44 Displaced lens (arrow). Horizontal scan. (From Cosgrove et al 2001.)

• Fig. 50.45 Traumatic vitreous haemorrhage and collapse, with lacuna and vitreoretinal adhesion causing shallow traction retinal detachment (arrow). Vertical scan. (From Cosgrove et al 2001 .)

• Fig. 50.46 Vitreous laceration by shotgun pellet, and incarceration into retina (arrow). Horizontal scan. (From Cosgrove et al 2001 .)

• Fig. 50.47 Direct blow causing extensive haemorrhage outlining lens, retinal dialysis (arrow), and rupture of globe at equator. Vertical scan. (Frorr Cosgrove et al 2001.)

Fig. 50.48 Direct blow causing intravitreal blood-fluid level, thickening of inner coats, and rupture of globe (arrow). Horizontal scan. (From Cosgrove et al 2001.)

• Fig. 50.49 Phthisis bulbi. Calcified lens and globe.

• Fig. 50.50 Metallic foreign body (arrow). Horizontal scan. (From Cosgrove et al 2001.)

• Fig. 50.52 Horizontal section through eye and orbit. (From Cosgrove et al 2001.)

• Fig. 50.53 Normal orbit, with medial rectus and lateral rectus (arrow). Horizontal scan.

• Fig. 50.54 Thyroid ophthalmopathy, enlarged belly of inferior rectus (arrow). Vertical scan. (From Cosgrove et al 2001.)

• Fig. 50.56 ' T' sign (arrows). Fluid in Tenon's capsule.

• Fig. 50.57 Colour Doppler scan showing arterialised blood flow in dilated superior ophthalmic vein. Vertical scan.

• Fig. 50.58 Orbital metastasis (arrow) displacing optic nerve.

• Fig. 50.59 Lymphoma cupping globe.

• Fig. 50.60 Orbital rhabdomyosarcoma. Vertical scan. (From Cosgrove et al 2001.)

• Fig. 50.62 Antral carcinoma invading orbital floor (arrow) and elevating inferior rectus muscle. Vertical scan. (From Cosgrove et al 2001.)

• Fig. 50.63 Orbital neurilemmoma (arrow). Horizontal scan. (From Cosgrove et al 2001.)