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2.
Ultrasound Obstet Gynecol ; 34(1): 52-4, 2009 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-19565533

RESUMO

OBJECTIVE: The cavum veli interpositi (CVI) is a space within the double-layered tela choroidea of the third ventricle. Occasionally, this space is fluid-filled and sonographically visible as an interhemispheric anechoic cyst. Because of its rarity, the incidence of CVI cyst is undetermined and the outcome of affected individuals has been found to be variable. The aim of this study was to report our experience of the sonographic findings and outcome of fetuses affected by CVI cysts. METHODS: In five fetuses with a CVI cyst, we performed targeted prenatal ultrasound scans of intracranial structures and a detailed anatomical survey to rule out associated malformations. Follow-up consisted of neurological examination and neurosonography. RESULTS: The CVI cyst appeared as a well-defined anechoic lesion without adjacent mass effect. In all fetuses the cyst was single and in two cases it enlarged slightly during pregnancy. The cyst was isolated in three fetuses and associated with borderline ventriculomegaly in two. A single umbilical artery was the only associated extracranial anomaly and this was detected in only one fetus. Neurosonography confirmed the presence of CVI cysts in all cases after delivery. During postnatal follow-up (range 10-48 months), the cyst regressed in one case within 1 month after delivery while the size of the others remained stable. No infant developed psychomotor disorders. CONCLUSIONS: Prenatal sonographic diagnosis of CVI cysts is feasible. Its finding in isolation is consistent with favorable postnatal outcome.


Assuntos
Encefalopatias/diagnóstico por imagem , Cistos/diagnóstico por imagem , Terceiro Ventrículo/diagnóstico por imagem , Adulto , Feminino , Idade Gestacional , Humanos , Recém-Nascido , Gravidez , Resultado da Gravidez , Diagnóstico Pré-Natal , Estudos Retrospectivos , Ultrassonografia Pré-Natal
3.
Ultrasound Obstet Gynecol ; 30(3): 359-61, 2007 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-17721899

RESUMO

Gastrointestinal stromal tumors (GISTs) are among the most common mesenchymal tumors of the gastrointestinal tract. Diagnosis of GIST on ultrasound examination can be difficult because of their similarity in appearance to gynecological neoplasms. We present two cases of GIST originating from the small bowel and the stomach, which were preoperatively misdiagnosed as a uterine leiomyoma and an ovarian tumor, respectively. The ultrasonographic differential diagnosis of these pelvic masses is discussed.


Assuntos
Tumores do Estroma Gastrointestinal/diagnóstico por imagem , Leiomioma/diagnóstico por imagem , Neoplasias Ovarianas/diagnóstico por imagem , Neoplasias Uterinas/diagnóstico por imagem , Adulto , Idoso , Diagnóstico Diferencial , Feminino , Tumores do Estroma Gastrointestinal/patologia , Humanos , Ultrassonografia
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