o uso da ultra-sonografia no diagnóstico e evolução da apendicite aguda ultrasonography in the diagnosis and evolution of acute appendicitis
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Abstract
OBJECTIVE: Approximately 35% of the patients with acute appendicitis have a doubtful or incorrect preoperatory diagnosis, particularly in pregnant women and children. Ultrasonography has demonstrated to be an important means of diagnosis due to its low cost and easy access. This study is intended to show the main imaging findings of the many phases of appendicitis, thus helping the ultrasonographist to establish an early diagnosis. MATERIALS AND METHODS: From January to June 2001, 14 patients with acute abdominal pain were submitted to abdominal ultrasound using 3.5 MHz and 7.5 MHz transducers. RESULTS: The ultrasound findings when perforation had not occurred demonstrated a noncompressible appendix, thickening and focal lack of definition of the walls. After perforation had occurred the appendix could no longer be visualized at ultrasonography. Secondary changes such as mass effect, phlegmous changes, liquefaction and abscess formation, and gas bubbles within a collection were identified. CONCLUSION: An early diagnosis of appendicitis is essential in order to minimize morbidity that is high when perforation occurs. Atypical presentations result in misdiagnosis and treatment delay. The main diagnostic challenges are retrocecal, focal or perforated appendicitis.
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zorzetto2003radiologiao
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| Authors | ;Arquimedes Artur Zorzetto;Linei Augusta Brolini Dellê Urban;Christian Bark Liu;Olívia Russo Cruz;Maria Luiza Malfi Vitola;Yumi Awamura;Alessandra Bettega Nascimento |
| Journal | india international conference on information processing, iicip 2016 - proceedings |
| Year | 2003 |
| DOI |
10.1590/S0100-39842003000200004
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| URL | |
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