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Ocular Tumors

  • Abdulrahman H. Algaeed
  • Igor KozakEmail author
Chapter

Abstract

Ultrasonography is the first-line imaging for the evaluation of ocular tumors. The most common primary intraocular malignant tumors of the eye are uveal melanomas, comprising choroidal and ciliary body melanomas. Combined A- and B-scans are essential in characterization of these lesions and differentiation from benign choroidal nevi and other lesions (Fig. 5.1). Combination scans are more than 95% accurate in the diagnosis of choroidal melanomas thicker than 3 mm [1–3]. Choroidal hemangiomas (Figs. 5.2, 5.3, 5.4 and 5.5) are benign tumors but have an atypical appearance at the time of presentation that can mimic a malignant tumor, causing a problem in differential diagnosis [4]. They decrease vision by serous retinal detachment in the adjacent area [5], but malignant melanomas of the choroid also can be a cause of secondary retinal detachment. Metastatic tumors are less frequent, and are more common in adults than in children. Ultrasound biomicroscopy has a crucial role in the diagnosis of some intraocular tumors of the anterior segment [6]. It has been shown to be superior to conventional B-scan for the precise localization of ciliary body melanoma and peripheral iris tumors, and it can provide reliable biometry and objective assessment of tumor lesion size [7].

Keywords

Ophthalmic ultrasound B-scan Tumors Retinoblastoma Choroidal melanoma Hemangioma 

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Department of Diagnostic ImagingKing Khaled Eye Specialist HospitalRiyadhSaudi Arabia
  2. 2.Moorfields Eye HospitalsAbu DhabiUAE

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