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Abstract
Acute pelvic pain unrelated to trauma is a common cause in patients who present to the emergency room. It may be the manifestation of various causes. The appendiceal lesions are the most common cause of acute pelvic pain that requires surgical intervention The causes of non-traumatic acute pelvic pain could be divided into gastrointestinal related diseases, gynecologic related diseases, obstetric related disease and urological related diseases In this study we examined 200 patients (110 male & 90 females) with clinical signs and symptoms suggestive of non-traumatic acute pelvic pain. The age of the patients ranged from 5 to 67 years with mean age of 36 years. Ultrasound examination (gray scale &color Doppler) was done for all patients. 134 patients (67%) had gastrointestinal related diseases, 32 patients (16%) had gynecologic related diseases, 18 patients (9%) had obstetric related disease, and 16 patients (8%) had urological related diseases In gastrointestinal related diseases, ultrasonography is useful in diagnosis of acute appendicitis in 86 patients, mucocele of appendix (1 patient), appendiceal perforation (1 patient), periappendiceal masses (2 patients), acute intestinal obstruction (7 patients), mesenteric adenitis (8 patients), and complicated hernia (1 patient We compared the sonographic findings with the final diagnosis that was achieved by X-ray erect abdomen and/or barium enema, CT abdomen and pelvis, surgery and histopathology Ultrasonography of the pelvis was helpful in accurate diagnosis of gastrointestinal related diseases of non-traumatic acute pelvic pain, with sensitivity of 76.8% and specificity of 87.5% in appendiceal lesions, sensitivity of 66.7% and specificity of 33.3% in acute intestinal obstruction, sensitivity of 69.2% and specificity of 100% in miscellaneous lesions.