The tear-drop or pear-shaped bladder was originally described in cases of pelvic hematoma. It may also be seen, however, with a variety of other entities, including pelvic lipomatosis, inferior vena cava occlusion, lymphocysts, and enlarged pelvic lymph nodes. Pertinent radiographic findings of these conditions are reviewed.
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Ambos et al. (1977) studied this question.
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