Ultrasound department of Kharkiv Regional Perinatal Center. Kharkiv Medical Academy of postgraduated education, Ukraine.
Case report
Following images and video shows two cases of trisomy 13. The first one was a patient who presented for the exam very late during her pregnancy, at 37 weeks; the second one was diagnosed at 13 weeks of pregnancy. Subsequent karyotyping confirmed the diagnoses.
Case 1
Images 1, 2: 37 weeks of pregnancy, trisomy 13; the image 1 shows fetal head with macrocrania and alobar holoprosencephaly. The image 2 shows abnormal facial profile with absent nasal bones.