Reference Case from Rasha Abo Almagd
Associate Professor Obstetric and Gynecology, Zagazig University, Egypt.
A 25-year-old G1P0 woman with unremarkable past medical and family history was sent to our clinic at 15 weeks, 2 days gestation for the routine second-trimester scan. The ultrasound scanning revealed the following findings: intricate complexities of diprosopus conjoined twins, characterized by cranial duplication, absence of the skull vault, exencephaly, rachischisis of the cervical spine, and the striking duplication of facial features. Notably, the identification of four orbits posed a diagnostic conundrum in this rare fetal anomaly.
Diprosopus Conjoined Twins Pathology Description
The pathology and description of diprosopus-conjoined twins involve a detailed radiologic, autoptic, and histologic study to understand the structural anomalies present in these unique cases. According to Orphanet's classification¹ diprosopus is an extremely rare craniofacial duplication anomaly that falls under the category of “rare developmental defect during embryogenesis, with a reported incidence ranging from 1 in 180,000 to 15 million births.1
Diprosopus, a Greek term meaning duplication of the face, is a sporadic form of craniofacial malformation characterized by the duplication of facial features”. This condition typically involves craniofacial duplication while the trunk and limbs remain normal.
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