ABSTRACT
El teratoma sacrococcígeo es el tumor más común en recién nacidos, con incidencia reportada de uno por cada 40.000 nacidos vivos, habitualmente en fetos del sexo femenino, su mortalidad va del 15 al 35%, condicionada por el tamaño de la lesión, la extensión y el subtipo histológico. Se presenta un caso de teratoma sacrococcígeo diagnosticado en forma prenatal. En la región sacra se observó una imagen redondeada de bordes regulares, definidos, heterogénea, de 8,8×6,9×8,4cm, con un volumen de 266cc. El beneficio más importante es la prevención de distocias, por cesárea
Sacrococcygeal teratoma is the most common tumour found in newborns, with a reported incidence of one per 40,000 live births. It usually appears in female foetuses, with a mortality ranging from 15 to 35%, depending on the size of the lesion, extension, and histological subtype. The case is presented of a sacrococcygeal teratoma found in the prenatal diagnosis. It was observed in the sacral region as a rounded image with regular, defined, heterogeneous borders of 8.8×6.9×8.4cm, with a volume of 266cc. The most important action is the prevention of dystocia either by elective or emergency caesarean section
Subject(s)
Humans , Female , Pregnancy , Adult , Teratoma/diagnostic imaging , Prenatal Diagnosis , Teratoma/complications , Sacrococcygeal Region/diagnostic imaging , Sacrococcygeal Region/pathology , Dystocia/diagnostic imaging , Dystocia/prevention & control , Teratoma/surgery , Diagnosis, Differential , AngiographyABSTRACT
An experimental study was designed to determine the impact of the instability in the rabbit knee.Ten mature white New Zealand male rabbits were studied. Anterior cruciate ligament-transection of the right knee joint was performed. Animals were sacrificed at 4 weeks (group 1: five animals) and 12 weeks (group 2: five animals) after the surgery. Left knee joints were used as controls. Gross injuries in articular cartilage and in menisci were scored. Forty percent of the knees from the group 1 showed fibrillation. In the group 2, all the knees were damaged and 2/5 showed full-thickness erosion. Tears were observed in 2 internal menisci from the group 1 and in 2 external menisci and 5/5 internal menisci from the group 2. The earliest point of significantly higher incidence of knee damage was 3 months post injury. Therefore, when an anterior cruciate ligament reconstruction is indicated it should carry out as soon as possible (AU)
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Subject(s)
Animals , Rabbits , Anterior Cruciate Ligament/surgery , Osteoarthritis, Knee/surgery , Anterior Cruciate Ligament/injuries , Joint Instability/surgery , Disease Models, AnimalABSTRACT
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