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Congenital high airway obstruction syndrome without tracheoesophageal fistula and with in utero decrease in relative lung size.
MedLine Citation:
PMID:  22722873     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Congenital high airway obstruction syndrome (CHAOS) is diagnosed by characteristic features on US and MRI including fetal upper airway occlusion, lung hyperinflation with an inverted diaphragm, and sometimes massive ascites and hydrops. We describe a case of CHAOS in which improvement in the fetal condition was observed on three sequential fetal MRIs. Such an improvement was thought to represent decrease in intrathoracic pressure caused by a spontaneous perforation such as a tracheoesophageal fistula. However, a fistula was not observed in the present case. Therefore, we suggest that imaging improvements in patients with CHAOS do not always correspond to the presence of a fistula and other factors might contribute to decreasing fetal intrathoracic pressure.
Authors:
Rieko Furukawa; Toshinori Aihara; Yuko Tazuke; Kosaku Maeda; Tomoyuki Kuwata
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-6-22
Journal Detail:
Title:  Pediatric radiology     Volume:  -     ISSN:  1432-1998     ISO Abbreviation:  -     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-6-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0365332     Medline TA:  Pediatr Radiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Pediatric Medical Imaging, Jichi Medical University School of Medicine, 3311-1 Yakushiji, Shimotsuke-shi, Tochigi, Japan, 329-0498, rieppef-tym@umin.net.
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