Pseudosolid appearance of simple and echinococcal cysts on ultrasonography : a report of 2 cases
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The 2 cases reported here indicate that on ultrasound examination uninfected simple and echinoccocal cysts can sometimes show a pseudosolid internal consistency like that of a neoplasm, probably owing to floating crystals or particles. This has important implications as far as further diagnostic and therapeutic measures are concerned. The presence of a regular and well-defined rim remains an important clue to the possible cystic nature of such lesions.