Paul Segarra, Esther

Universitat Autònoma de Barcelona. Facultat de Veterinària

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 Introduction:        Results: A B  Objective: Describe and diagnose with precision a case of conjoined twins in the porcine species. Ventral vision of the abdomen of both individuals. A cryptorchidic testicle is seen in each of the individuals.  Conclusions: • Diagnosis of the case: Cephalothoracopagus deradelphous. • Internal duplication of the internal anatomy is evidenced at the level of the caudal pharynx and it implies to the organs of the low respiratory tract and in a partial way some digestive organs. • Less development of the organs in one of the conjoined twins. Certain asymmetry is habitual in this type of symmetrical unions. Caudal vision of the cranium with reconstruction 3D CT scan.  It shows the two vertebral columns that articulate with the three occipitals bones. - Low incidence of conjoined twins in the porcine species and even less in males. Anatomy of a case of cephalothoracopagus  in the porcine species Esther Paul Segarra. June of 2017 Vision of the gastrointestinal tract.  A single symmetrical stomach can be seen, and the bifurcation in two intestinal tracts at the level of the distal jejunum. Spleen and part of gastrointestinal tract (the ileum, the caecum, the colonic disc and the descending colon) they are duplicated. The organs have less development in individual B. View of the atrial side of the hearts of individuals A and B with their respective vessels. Dorsal view of the tongue, pharynx, larynx and tracheobronchial trees of individuals A and B Ventral vision of the interior of the oral cavity of the shared cranium. One can see the cleft palate  and through which the nasal duplicated cavity is made visible.  Asymmetric - Conjoined twins Dorsal union: craniopagus (f), pygopagus(g), rachipagus.  Symmetric  (a)       (b)       (c)       (d) (e)        (f)         (g) Ventral vision of the symmetric conjoined twins. A B A B A B A B A B - Two theories of formation of the conjoined twins   Ventral union: cephalothoracopagus(a), thoracopagus(b),  omphalopagus(c),  ischiopagus(d), parapagus(e). Fission Fusion 

Anatomy of a case of cephalothoracopagus in the porcine species

https://ddd.uab.cat/pub/tfg/2017/181724/TFG_epaulsegarra_poster.pdf

Anatomy of a case of cephalothoracopagus in the porcine species

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