An undeveloped twin was found in a child's head. A 1-year-old child with motor delays and an increased head circumference was found to have an intraventricular fetus-in-fetus, a deformed monochorionic diamniotic twin.🧠
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References:
Teaching Neurolmage: Intraventricular Fetus-in-Fetu With Extensive De Novo Gain in Genetic opy Number Zongze Li, Li Ma, Yuanli Zhao, Chunde Li Neurology Feb 2023, 100 (9) 444-445; DOI: 10.1212/ WNL.0000000000201578
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