Artículo original: Hosowaka T, Hosowaka M, Tanami Y, Sato Y, Nambu R, Iwama I et al. Diagnostics performance of ultrasound without any colon preparation for detecting colorectal polyps in pediatric patients. Pediatric Radiology. 2019; 49:1306-1313. DOI: https://doi.org/10.1007/s00247-019-04467-5 Sociedades: European Society…