Pitfalls of ophthalmic radiographic imaging

Custer, Philip L.; Kent, Tiffany L.

doi:10.1097/icu.0000000000000064

Cited by 4 publications

(4 citation statements)

References 12 publications

(6 reference statements)

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“…MRI is time consuming and prone to motion artifacts. In addition, MRI is contraindicated in patients with magnetic IOFBs [ 10 ]. Both UBM and AS-OCT are well-established modalities for the diagnosis of lesions in the anterior segment [ 11 ].…”

Section: Discussionmentioning

confidence: 99%

Role of B-scan ultrasonography in the localization of intraocular foreign bodies in the anterior segment: a report of three cases

Wang

Chen

2015

BMC Ophthalmol

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BackgroundThe accurate localization of intraocular foreign bodies (IOFBs) is very important for the management of ocular trauma patients. B-scan ultrasonography is usually used to detect IOFBs in the posterior segment. Here, we report three cases with IOFBs in the anterior segment near the posterior lens capsule, which were accurately localized by B-scan ultrasonography under dynamic transversal scanning.Case presentationAll three patients had a history of ocular trauma, and their clinical symptoms were compatible with the persistence of IOFBs. It was difficult to get a direct visualization of IOFBs with slit-lamp biomicroscopy because of opacities of the cornea and traumatic cataract. A computed tomography scan detected IOFBs in the anterior segment, but could not determine the exact location. Ultrasound biomicroscopy was performed but failed to show any IOFBs owing to the limited depth of penetration. B-scan ultrasonography was further applied but also failed to show any intraocular foreign bodies using axial scanning, a routine procedure of B-scan ultrasonography examination. However, using dynamic transversal scanning of B-scan ultrasonography, the accurate location of IOFBs was eventually shown to be embedded in the posterior lens cortex in case 1, adjacent to the posterior lens capsule in case 2, and located in the anterior vitreous close to the posterior lens capsule in case 3. Different surgical procedures were designed according to localization by B-scan ultrasonography, and all IOFBs were successfully removed.ConclusionB-scan ultrasonography is a simple and effective imaging modality in the localization of IOFBs in traumatic cataract. Transversal scanning is more suitable than axial scanning to detect IOFBs in the anterior segment near the posterior lens capsule.

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Section: Discussionmentioning

confidence: 99%

Role of B-scan ultrasonography in the localization of intraocular foreign bodies in the anterior segment: a report of three cases

Wang

Chen

2015

BMC Ophthalmol

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“…However, the right ocular globe and the optic nerve are unremarkable. Although strikingly surprising, these exceptional images substantiate that the ocular globe may be spared after an important penetrating orbital injury 1 2Learning points

Orbital perforating and penetrating trauma are sight-threatening injuries generally due to sharp or high-velocity objects 3

…”

Section: Descriptionmentioning

confidence: 98%

“…Visual prognosis is usually poor due to severe damage to globe structures that generally follows these traumas; however, in rare cases, orbital injuries may spare the globe, culminating in a much better visual outcome 1 2…”

Section: Descriptionmentioning

confidence: 99%

Exceptional penetrating orbital injury that spared the eye globe

Leal¹,

Caldeira

Sousa

et al. 2015

BMJ Case Reports

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“…1 Jod-Basedow phenomenon is a rare cause of hyperthyroidism that can develop after an iodine bolus in a susceptible patient. 3,4,5,6 Iodine is a micronutrient that is required by the thyroid gland for synthesis of thyroid hormones and is found predominantly in coastal areas. The recommended daily dose of iodine ranges from 150 µg to 1100 µg for adults where approximately 70 µg -80 µg is actively taken up by the thyroid for the synthesis of tetraiodothyronine (T4) and triiodothyronine (T3).…”

Section: Introductionmentioning

confidence: 99%

Jod-Basedow phenomenon: Reactivation of thyroid eye disease after contrast computed tomography

Hӧllhumer

Indiveri

2018

Afr. vis. eye health

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To report a case of Jod-Basedow phenomenon, where a patient with quiescent thyroid eye disease became active after a contrast computed tomography (CT). A patient with clinically inactive thyroid eye disease underwent a contrast CT, after which her clinical activity score increased for 1 to 6/10 with optic nerve dysfunction. She was managed medically with intravenous steroids, neomercazole and propranolol. Jod-Basedow phenomenon is a rare condition where thyroid eye disease reactivates after a large iodine bolus. It is important for clinicians to be aware of this when considering special investigations, such as contrast scans, where iodine is given in large doses.

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Pitfalls of ophthalmic radiographic imaging

Cited by 4 publications

References 12 publications

Role of B-scan ultrasonography in the localization of intraocular foreign bodies in the anterior segment: a report of three cases

Role of B-scan ultrasonography in the localization of intraocular foreign bodies in the anterior segment: a report of three cases

Exceptional penetrating orbital injury that spared the eye globe

Jod-Basedow phenomenon: Reactivation of thyroid eye disease after contrast computed tomography

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