Herniated intrathoracic liver expressed as 'liver up' or as percent herniated liver and MRI measurement of FLV expressed as a O/E ratio are strong prenatal indicators of postnatal survival.

Scurvy results from a deficiency of vitamin C and is rarely seen in the United States. We describe the MRI findings of a case of scurvy in an autistic child with food-avoidant behavior. Advanced imaging is rarely performed in clinically well-understood disease entities such as scurvy. Typical radiographic findings are well described leading to definitive diagnosis, although the findings can be missed or misinterpreted given the rarity of scurvy in daily practice. To our knowledge, MRI features of scurvy in children in the US have been described in only one case report. This case of scurvy in an autistic child with food-avoidant behavior emphasizes that classic nutritional deficiencies, despite their rarity, must be included in the differential diagnosis of at-risk populations.

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Biplanar digital slot-scanning allows for relatively low-dose orthopedic imaging, an advantage in imaging children given the growing concerns regarding radiosensitivity. We have used this system for approximately 1 year for orthopedic imaging of the spine and lower extremities. We have noted advantages of using the digital slot-scanning system when compared with computed radiographic and standard digital radiographic imaging systems, but we also found unexpected but common imaging artifacts that are the direct result of the imaging method and that have not been reported. This pictorial essay serves to familiarize radiologists with the advantages of the digital slot-scanning system as well as imaging artifacts common with this new technology.

No abstract