学術雑誌論文 Erythroblastosis of the Donor Twin of Twin Anemia-Polycythemia Sequence

Takeuchi, Miharu  ,  Maruyama, Hidehiko  ,  Oura, Naoko  ,  Kanazawa, Akane  ,  Nakata, Yusei  ,  Minami, Susumu  ,  Kikkawa, Kiyoshi

70 ( 4 )  , pp.269 - 272 , 2016-08 , Okayama University Medical School
ISSN:0386-300X
NII書誌ID(NCID):AA00508441
内容記述
Twin anemia-polycythemia sequence (TAPS) is a group of disorders in monochorionic twins characterized by a large intertwin hemoglobin difference without amniotic fluid discordance. Reticulocyte count is used to diagnose this condition, but little is known about the role of erythroblasts, which are the prior stage of reticulocytes. In the present case of TAPS, the 25-yr-old Japanese mother showed no signs of oligohydramnios or polyhydramnios throughout gestation. The twins were born at 36 weeks and 6 days, weighing 2,648g and 1,994g. The intertwin hemoglobin difference in umbilical cord blood was (21.1-5.0=) 16.1g/dL and the donor twin showed signs of chronic anemia, including myocardial hypertrophy and pericardial effusion. Erythroblastosis of the donor twin was prolonged (53,088.5, 42,114.8 and 44,217.9/μL on days 0, 1 and 2, respectively). Erythroblastosis, which indicates chronic anemia, is also a good diagnostic indicator of TAPS.
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http://ousar.lib.okayama-u.ac.jp/files/public/5/54502/20160829143926642005/70_4_269.pdf

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