Bone scanning in neonatal subcutaneous fat necrosis.
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Biomedical subjects
Publications and source records attributed to M A Capitanio.
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Volvulus of the colon occurred in a child with congenital asplenia (Ivemark's syndrome). This type of volvulus does not appear to have been reported previously and was found to be due to an underlying abnormality of mesenteric attachment.
Multiple unusual diverticula of the bladder were observed in 3 of 4 children with Menkes' syndrome. This abnormality of the bladder in children with the kiky hair syndrome has only recently been recognized. The diverticula are best visualized on cystographic studies. The clinical manifestation which led to roentgen evaluation of the urinary tract in the 3 children was urinary tract infection or urine retention. Though the etiology of these diverticula is unknown, evidence is presented to suggest that they are acquired.
The diagnosis of vocal cord paralysis or paresis was made on direct laryngoscopic examination in 34 infants and children during the past 4 years. Twenty-one of the children were first examined radiographically and fluoroscopically, and the initial diagnosis of cord paralysis was suggested by the radiologist. Our experience suggest that vocal cord paralysis or paresis in an infant or young child is not the rare entity previously reported. In more than half of the children the vocal cord dysfuction was of a transient nature. Awareness of the radiographic and fluoroscopic signs that suggest the diagnosis will aid in the early institution of appropriate supportive therapy.
The diagnosis of psychosocial dwarfism is established through history, the determination of delay in growth and skeletal maturation, the lack of evidence of organic disease and accelerated growth and psychomotor development in a nuturing environment. Radiographically temporary widening of the cranial sutures may be detected in a follow up examination or less often already at the time of initial examination. Determination of wide cranial sutures may be contributary in establishing the diagnosis of psychosocial dwarfism. In a patient with this syndrome and lack of neurological signs or symptoms widening of the cranial sutures is an expected finding and no further neuroradiologic studies are necessary.
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Fatty infiltration of the liver has been identified roentgenographically in several young children. Awareness of this possibility will sometimes allow a radiologist to contribute to the understanding of the patient's metabolic and nutritional state. If a child's liver is shown to be abnormally radiolucent, cystic fibrosis should be considered.
Ultrasound was used to evaluate 100 pediatric patients suspected of having a mass. This technique was found to be useful in several ways: (1) differentiation of cystic, solid, and complex masses, which is not usually possible with routine roentgenographic evaluation; (2) delineation of free fluid collections from those that are loculated or contained within masses; (3) measurement of the size of both normal and abnormal structures; and (4) confirmation of the abnormal position or absence of organs. Ultrasound was used as a supplement to routine clinical and radiologic studies.
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