{'fraction_non_alphanumeric': 0.021176470588235293, 'fraction_numerical': 0.0, 'mean_word_length': 5.870967741935484, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
Ultrasonography of the urinary tract in children.

The various urologic abnormalities for which ultrasonography can be a valuable diagnostic tool are discussed, including renal masses, nonfunction of the kidney, and abnormalities of the lower urinary tract. Ultrasonography is a useful adjunct to radionuclide imaging, intravenous urography, and renl angiography, and is particularly well suited for the pediatric population.