REPORT OF A CASE
A male sirenomelian (single-limbed) monster was born of white parents at Charity Hospital, New Orleans, on Aug. 23, 1939. The delivery occurred at full term, and the presentation was left sacral anterior. The parents, who had had no other children, knew of no monsters or children with congenital deformity on either side of the family. The infant's heart sounds were normal at birth, but death occurred one hour later.At necropsy, which was performed three days after death, gross inspection revealed a single-limbed monster with a large umbilical hernia. The body weighed 1,565 Gm. and measured 24 cm. from crown to rump and 39 cm. from crown to toes. There were no discernible abnormalities of the head, neck, thorax or upper extremities. The circumference of the chest was 26 cm. The umbilical hernial sac, which was filled with intestine, measured 5 by 4 by 3.5 cm.
NEWBILL HP. SIRENOMELIAN MONSTER (SYMPUS): AN ANATOMIC PRESENTATION. Am J Dis Child. 1941;62(6):1233–1241. doi:10.1001/archpedi.1941.02000180107010
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