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- Title
Differential diagnoses of magnetic resonance imaging for suspected acute appendicitis in pregnant patients.
- Authors
Ji Yong Jung; Ji Ung Na; Sang Kuk Han; Pil Cho Choi; Jang Hee LEE; Dong Hyuk Shin
- Abstract
BACKGROUND: Accurate and timely diagnosis of acute surgical disease in pregnant patient is challenging. Although magnetic resonance imaging (MRI) is the most accurate modality to diagnose acute appendicitis in pregnant patients, it is often used as a last resort because of high cost and long scan time. We performed this study to analyze differential diagnoses of appendix MRI and to investigate if there are any blood tests that can predict surgical condition in pregnant patients. METHODS: A retrospective, cross-sectional study was conducted on 46 pregnant patients who underwent non-enhanced appendix MRI in suspicion of acute appendicitis from 2010 to 2016. Differential diagnoses of appendix MRI were analyzed and blood tests were compared between those who had surgical and non-surgical disease. RESULTS: Appendix MRI differentiated two surgical disease; acute appendicitis and ovarian torsion; and various non-surgical conditions such as uterine myoma, hydronephrosis, ureterolithiasis and diverticulitis among clinically suspected acute appendicitis in pregnancy. The diagnostic accuracy of MRI for acute appendicitis in this study was 93.5%. Patients who had surgical disease showed significantly higher WBC count (≥11,000/mm3), proportion of neutrophils in the WBC (≥79.9%), neutrophil-to-lymphocyte ratio (NLR≥6.4), levels of C-reactive protein (CRP≥1.82 mg/dL) and bilirubin (≥0.66 mg/dL) than those who had non-surgical disease. CONCLUSION: MRI can reliably differentiate surgical conditions and several blood tests (WBC, proportion of neutrophils in the WBC, NLR, CRP, bilirubin) can help anticipate acute surgical condition among pregnant patients suspected to have acute appendicitis.
- Subjects
APPENDICITIS diagnosis; MAGNETIC resonance imaging; PREGNANCY complications; DIAGNOSIS
- Publication
World Journal of Emergency Medicine, 2018, Vol 9, Issue 1, p26
- ISSN
1920-8642
- Publication type
Article
- DOI
10.5847/wjem.j.1920-8642.2018.01.004