Fig. 2
Pathological findings in diprosopus case 3. Female fetus at 18 weeks showing diprosopus tetrophthalmus with median microphthalmic eye bulbs and a single median ear pit (a); X-ray showing mandibular duplication, splicing of the cervical spine and duplication of thoracic vertebral bodies T1-T7 (b); basal view of the duplicated right (R) and left (L) forebrain with two hemispheres each and a single cerebellum ( ←) (c); skull base presenting duplication of frontal fossa (Fa) with two ethmoidal crests, two pituitary fossae ( ↔), each with 2 optic nerves, and a clival cleft (↘↙) (d); histologic section of the thoracic spinal cord showing incomplete dimyelia with two central canals and two ventral fissurae medianae (→ ←) (e)