title: Nonimmune hydrops fetalis due to generalized lymphatic dysplasia in an infant with Robertsonian trisomy 21.
abstract: We report the first case of generalized lymphatic dysplasia and trisomy 21 presenting with nonimmune hydrops fetalis. This infant showed intractable chylothorax, chylous ascites, and periodic bouts of edema. A karyotype analysis revealed Robertsonian trisomy 21: 46,XY,t(14q21q)(q10;q10) +21. This patient died of multiple organ failure at 400 days of life, despite the management of chylous effusions. The lymphoscintigraphy and histopathological findings led to the final diagnosis of generalized lymphatic dysplasia, which might also contribute to the development of hydrops. Refractory chylothorax in trisomy 21 patients may emphasize the need for intensive scrutiny of lymphatic disorders.
authors.affiliation: Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, Maidashi, Fukuoka, Japan.
authors.forename: Masayuki
authors.initials: M
authors.lastname: Ochiai
authors.forename: Shunji
authors.initials: S
authors.lastname: Hikino
authors.forename: Hideki
authors.initials: H
authors.lastname: Nakayama
authors.forename: Shouichi
authors.initials: S
authors.lastname: Ohga
authors.forename: Tomoaki
authors.initials: T
authors.lastname: Taguchi
authors.forename: Toshiro
authors.initials: T
authors.lastname: Hara
mesh_terms: D000328:Adult; D002916:Chylothorax; D002915:Chylous Ascites; D004314:Down Syndrome / Q000150:complications*; D005260:Female; D006801:Humans; D015160:Hydrops Fetalis / Q000209:etiology*; D007223:Infant; D007231:Infant, Newborn; D044148:Lymphatic Abnormalities / Q000000981:diagnostic imaging / Q000473:pathology; D008208:Lymphatic System / Q000002:abnormalities* / Q000473:pathology; D061305:Lymphoscintigraphy; D008297:Male; D011247:Pregnancy; D014178:Translocation, Genetic