Ocular B-mode ultrasonography (US) is an important adjuvant for the clinical assessment of a variety of ocular diseases. When ophthalmoscopy is not possible, mainly due to opacification of the transparent media (e.g., mature cataract or vitreous haemorrhage), US can guide the ophthalmologist in diagnosing disease and choosing treatment. The superficial location and cystic structure of the eye make US ideal for imaging of the eye. Moreover, dynamic study helps distinguish between various conditions that would otherwise be difficult to differentiate in some clinical setting, such as vitreous, retinal, and choroidal detachment. US is also good technique for detecting other pathologic conditions such as lens dislocation, vitreous haemorrhage, asteroid hyalosis, optic disc drusen, and tumors (e.g., choroidal melanoma, metastases, hemangioma). An understanding of the basic anatomy of the eye, the US technique, and common entities that affect the ocular globe will allow radiologists to offer this valuable imaging modality to patients and referring clinicians. This article focuses on the US anatomy and pathologic conditions that affect the posterior ocular segment.Teaching points• US is specially indicated when ocular fundus cannot be assessed on ophthalmoscopy.• Multipurpose equipment with high-frequency transducers is optimal for imaging the eye.• Ultrasound can reliably depict ocular anatomy and pathology as detachments and tumours.• Dynamic examination is vital for distinguishing certain pathologic conditions as detachments.Electronic supplementary materialThe online version of this article (doi:10.1007/s13244-016-0471-z) contains supplementary material, which is available to authorized users.
We present a new case of multilocular cystic nephroma, and a review of literature. If C.T. diagnoses a cystic disease we apply the Bosniak classification. Multilocular cystic nephroma appears as a cystic disease, separately fibrous thin walls, with or without calcifications. We have to make a distinctive diagnosis between RCC and multilocular. Definitive diagnosis is always histological.
NEFROMA MULTILOCULAR QUÍSTICO. PRESENTACIÓN DE UN CASO Presentamos un nuevo caso de nefroma multilocular quístico y se realiza revisión de la literatura. Ante una lesión quística compleja diagnosticada por T.C. aplicamos la clasificación de Bosniak. El nefroma multilocular se presenta en forma de lesión quística múltiple separada por tabiques fibrosos, con o sin calcificaciones, por lo que plantea el diagnóstico diferencial entre CCR y nefroma multiquístico. El diagnóstico definitivo es histológico.
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