Asymmetric parasitic twins - Heteropagus

Area of Science:

• Medical Science
• Obstetrics
• Genetics

Background:

• Asymmetric or heteropagus conjoined twins are exceptionally rare, occurring in 1-2 million births.
• Classification of conjoined twins considers symmetry, fusion site, and duplication grade.

Observation:

• A 23-year-old patient presented with a monochorionic, monoamniotic, asymmetrically conjoined twin pregnancy.
• The condition was diagnosed at 29 weeks of gestation.
• The conjoined twins were delivered vaginally, joined at the left cervical region.

Findings:

• This report describes a unique presentation of parasitic twins with detailed macro and micro anatomical alterations.
• The combined weight of the twins was 1.300 grams.
• The twins were delivered stillborn.

Implications:

• This case highlights the importance of antepartum diagnosis for effective management and surgical planning.
• Advanced prenatal imaging (ultrasound, CT, MRI, echocardiography) is crucial for assessing malformation severity and prognosis.
• Such reports aid in developing clinical strategies for future cases of conjoined twins.