Fig. 5
From: Radiological imaging of teratological fetuses: what can we learn?
a Photograph of the full-term conjoined twin of case 3. b Three-dimensional reconstructed skeleton based on the CT data showed butterfly and block vertebra (turquoise arrow) with fused ribs (green arrow) between the two separate vertebral columns There were two heads, two arms and two legs with one broad pelvis. c Coronal T1-weighted MR image showed two normal brains, one shared “fused” heart and liver with one overarching diaphragm. d Coronal T1-weighted MR image showed two separate oesophagi (green arrows) and two separate stomachs (turquoise arrow). e Coronal T1-weighted MR image showed a “fused” liver with two gallbladders (green arrow). f Coronal T1-weighted MR image showed two ascending aortas (green arrows). g Coronal T1-weighted MR image showed two kidneys and adrenal glands (green arrows) and one anus. The two descending aortas fused at the level of the 11th thoracic vertebra (turquoise arrow). Note that the right descending aorta is smaller than the left descending aorta