Article ; Online: Computerized tomography scan in acute appendicitis with eventual negative appendectomy.
Journal of clinical and translational research
2021 Volume 7, Issue 3, Page(s) 326–332
Abstract: Background and aim: Acute appendicitis (AA) is traditionally considered a clinical diagnosis and negative appendectomy (NA) rates vary across health-care systems. Computed tomography (CT) scans have been shown to aid in the reduction of NA rates. Our ... ...
| Abstract | Background and aim: Acute appendicitis (AA) is traditionally considered a clinical diagnosis and negative appendectomy (NA) rates vary across health-care systems. Computed tomography (CT) scans have been shown to aid in the reduction of NA rates. Our study aimed to determine the pre-operative imaging characteristics in patients undergoing appendectomy with eventual normal histology. Materials and methods: An audit of all patients with a discharge diagnosis of AA was conducted from January 2011 to December 2015. Histology reports of all patients who underwent appendectomies were reviewed, and medical records of patients with NA were included in the study. To study the impact of CT scan reporting in NA patients, CT scan images of patients with NA were reviewed retrospectively by two blinded radiologists. Results: A total of 2603 patients underwent appendectomy for suspected AA, and NA rate was 3.34% (n=87). The mean age of patients with NA was 30.3 (14.8-69.8) years with no gender difference (51.7% male). Sixty-six (75.9%) patients had laparoscopic appendectomy with 3.5% open conversion rate. CT scans were done in 47 patients. Pre-operative CT scan report was more likely to report dilated appendix (n=26 [55.3%] vs. n=7 [14.9%], P=0.0001). Post-operative blinded radiology review was more like to report other pathology (n=27 [57.4%] vs. n=2 [4.3%], P=0.0001) and normal appendix (n=26 [55.3%] vs. n=5 (10.6%), P=0.0001). Conclusion: The NA rate is low. There needs to be standardized reporting for imaging features of prominent/dilated appendix. Relevance for patients: Appendectomy must be avoided in patients with a normal CT scan and when another pathological diagnosis is established. Liberal imaging policy assists to reduce NA rates. Imaging features of prominent or dilated appendix can be subjective and international collaboration is needed to define thresholds for imaging diagnosis of AA. |
|---|---|
| Language | English |
| Publishing date | 2021-05-27 |
| Publishing country | Singapore |
| Document type | Journal Article |
| ZDB-ID | 3019815-X |
| ISSN | 2424-810X ; 2382-6533 |
| ISSN (online) | 2424-810X |
| ISSN | 2382-6533 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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