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이종결합체
Heteropagus(An autopsy case)

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Authors
유은실; 신성식; 안긍환; 지제근
Issue Date
1983-09
Publisher
서울대학교 의과대학
Citation
Seoul J Med, Vol.24 No.3, pp. 337-340
Abstract
Heteropagus is unequal and asymmetrical conjoined
twins, one component of which is smaller than
and dependent on the other. It consists of two
members of very unequal degrees of development,
the one (autosite) being normal or nearly so and
the other (parasite) being incomplete. It is attached
to the first as a dependent growth, usually attached
to some point on the ventral surface.
This twins were delivered to a 30 year old mother
after 23 weeks of gestation. The twins were joined
on anterolateral chest. The one (autosite) was grossly
normal, while the other (parasite) was smaller.
At the autopsy, the twins weighed 202gm, and
were 22. Scm and 8. Scm in crown-heel lengths each.
The autosite was grossly normal. The parasite had
poorly developed cystic head portion, two arms and
two legs. One umbilical cord was attached to the
lower conjoined site. Between autosite and parasite,
the internal organs had no connection. In autosite,
the anomalies of the heart and great vessels were
complete transposition of the great vessels, atrial
septal defect, ventricular septal defect and incomplete
development of tbe left ventricle. In parasite the
head portion had no brain parenchyme and skull
bone. There was vestigial epiglottis and larynx seen
in this cavity. The heart anomalies consisted of
common ventricle and atrial septal defect. The aortic
branch draining head portion was poorly developed
but the right lung was incompletely bilobed. In
abdominal cavity, there were two spleens of almost
same size.
On serial sections of umbilical cord, there were one
vein and four arteries. One vein and 1wo arteries
drained into the autosite while the other two arteries iinto the parasite.
This case is the second example of polysplenia
'seen in conjoined twins in is Department. And
-combined anomalies seen in both parasite and autosite
were of interest in terms of their pathogenesis and
relationship to the heterotaxia.
ISSN
0582-6802
Language
Korean
URI
https://hdl.handle.net/10371/7140
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Appears in Collections:
College of Medicine/School of Medicine (의과대학/대학원)Dept. of Medicine (의학과)The Seoul Journal of MedicineThe Seoul Journal of Medicine Vol. 24 No.3 (1983)
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