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1. 双胎妊娠：出産前の問題twin pregnancy prenatal issues [show details]
… mistaken for an intertwin membrane. Dichorionic/diamniotic – An intertwin membrane with the "twin peak" or "lambda (λ)" sign indicates dichorionic twins. The twin peak or lambda sign refers to a triangular …
2. 双胎妊娠：陣痛および分娩twin pregnancy labor and delivery [show details]
… placenta and/or out of the unclamped cord of the first twin . Our practice is to promptly clamp the cords of monochorionic twins. For dichorionic twins, we concur with the American College of Obstetricians …
3. （結合双胎を含む）一羊膜双胎monoamniotic twin pregnancy including conjoined twins [show details]
… possibility of monoamniotic twins, except in rare cases involving postzygotic events . Sex concordance is not informative. Clearly separate placentas indicate dichorionic twins, and may be visualized on …
4. 双胎間輸血症候群：マネージメントと転帰twin twin transfusion syndrome management and outcome [show details]
… therapy is not significantly different from the baseline risk in monochorionic twins without TTTS or in dichorionic twins matched for gestational age at delivery . Almost all of the risk of neurologic …
5. 双胎間輸血症候群および双胎貧血多血症候群：スクリーニング、有病率、病態生理、診断twin twin transfusion syndrome and twin anemia polycythemia sequence screening prevalence pathophysiology and diagnosis [show details]
… contrast to dichorionic twins, the circulatory systems of almost all MC twins have arteriovenous (AV) anastomoses in the placenta, thus forming a vascular connection between them. TTTS – TTTS is characterized …

English Journal

Mucolipidosis Type II Affecting 1 Fetus and Placental Disk of a Dichorionic-Diamnionic Twin Gestation: A Case Report and Review of the Literature.

Chapel DB, Choy B, Pytel P, Husain AN, Lastra RR.
International journal of gynecological pathology : official journal of the International Society of Gynecological Pathologists. 2019 Jul;38(4)346-352.
Mucolipidosis type II, also known as I-cell disease, is an autosomal recessive inborn error of metabolism, resulting from loss-of-function mutations in GNPTAB. Affected infants exhibit multiple physical anomalies and developmental delay, and death from disease follows in early childhood. Here we pre
PMID 29620587

Tissue Specificity in Trisomy 22 Mosaicism: A Tale of Caution for Interpretation of Chromosomal Microarray Results.

Covington JD, Campbell C, Burke LW, Gardner JA.
Journal of the Association of Genetic Technologists. 2018 ;44(4)137-140.
While the complete form of trisomy 22 is seemingly incompatible with life, the mosaic form is a rare syndrome associated with developmental delays, intellectual disability, and dysmorphic features. Due in part to the difficulty of analyzing chromosomal mosaicism, many instances either go undiagnosed
PMID 30521494

Hepatocellular Adenoma of the Placenta With Updated Immunohistochemical and Molecular Markers: A Case Report.

Yee EU, Hale G, Liu X, Lin DI.
International journal of surgical pathology. 2016 Oct;24(7)640-3.
We describe the clinicopathological, immunohistochemical, and molecular features of an unusual case of a hepatocellular adenoma of the placenta presenting as a subchorionic intervillous mass lesion in a diamnionic dichorionic placenta. A well-circumscribed 0.8 cm round nodule was identified in one o
PMID 27106781