Gastrointestinal (GI) manifestations are common in patients with Henoch Schonlein Purpura (HSP) and it seems that ultrasound is the first modality for detecting GI involvement. This study was performed to evaluate the relationship between sonographic findings and clinical, and paraclinical symptoms. Methods: All patients with HSP referred to our clinic in 2011 and 2012, were enrolled in the study. The data including sonographic and other lab tests were collected and analyzed, and the

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... between sonographic findings and clinical, and paraclinical symptoms were evaluated. Results: Among 112 patients (68 males and 44 females), 28 cases had abnormality in their sonography that was higher in patients with GI and renal symptoms. Furthermore, length of hospitalization and need for corticosteroids was greater in patients with positive sonographic findings. Conclusions: In patients with HSP, ultrasound is a valuable modality to determine the prognosis of the disease.