الفهرس 
Introduction and aim of workOnly 14 pages are availabe for public view
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Abstract
The current study included 20 patients with acute RLQ pain, there were 11 males and 9 females, their ages ranged between 19 to 64 years were selected randomly and subjected to the study. 18 patients have done both U/S and CT. 2 patients with suspected ruptured tubal pregnancy have done U/S only because emergency surgery was done and there was no time for CT examination. All the patients who did an U/S were examined transabdominally and using Color Doppler. All females with clinically suspected appendicular or adnexal disease were examined by transvaginal and transabdominal U/S.
20 patients have done other examinations including :
4 cases that needed plain abdominal x-ray films
17 that needed some laboratory investigations.
2 patients have done other complementary non-radiological examinations including endoscopy, biopsy, and histopathological examinations.
Almost all patients have undergone surgery and postoperative data were compared to the radiological findings and diagnosis; only one patient treated medically as a case of Crohn’s disease.
The objective results from both U/S and CT scans in this study of 20 patients with acute RLQ abdominal pain included:
8 cases of surgically proved appendicitis (6 males and 2 females).
5 females with acute gynecologic disorders (3 with tubo-ovarian disease and 2 with ectopic pregnancy).
3 patients with other acute gastrointestinal conditions (one with malignant disease of the cecum , one with inflammatory bowel disease and one with cecal intussusception).
3 patients with acute urinary tract obstruction .
In one patients no radiological diagnosis was ever made, and symptoms resolved with medical treatment.
Conclusion:
The CT scan will be preferred as the initial diagnostic tool in adult and elderly patients, especially if the patients are obese, bedridden, or if the acute pathology is suspected to be of gastrointestinal origin, urinary emergencies (uretero-renal colic) and gynecological emergencies.
On the other hand, abdominal emergencies in young adults and in women in their reproductive years, as well as acute urinary obstruction, can initially be explored by an abdominal ultrasound (usually without any abdominal preparation).
Ultrasonographic examination is a very useful tool, easily and rapidly available. Color Doppler enhances its sensitivity and specificity. Endocavitary complement is an essential part of the sonographic exploration of acute pelvic processes. However, we do not forget that ultrasonography remains a highly operator-dependent technique.
Finally, more investigations are needed in the future to compare the diagnostic accuracy and cost-effectiveness of helical CT with those of graded compression U/S in both pediatric and adult patients.