PMC4662089_01
Frontal chest radiograph reveals fluid-density mediastinal lesion present on either side.
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The lateral border of the lesion could be traced superiorly above the level of the clavicle suggestive of a posterior mediastinal location (Figures 1, 2).
Close-up view of the radiograph (Figure 1) depicts that the lesion has a well-defined lateral border that is seen distinctly above the level of the clavicle on both sides (arrows) suggestive of posterior mediastinal location.
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The lateral border of the lesion could be traced superiorly above the level of the clavicle suggestive of a posterior mediastinal location (Figures 1, 2).
(A-C) MRI depicts hydatid cysts arising from D4 vertebral body. The hydatid cyst has daughter cysts (horizontal arrow). One of the cysts has a detached inner membrane (vertical arrow).
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One of the cysts showed a floating membrane within (Figure 3A-3C).