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Massive intracranial immature teratoma: report of a case with polyhidramnios and intense pelvic pain

Teratoma imaturo gigante intracraniano: relato de caso com poli-hidrâmnio e dor pélvica intensa

Abstracts

A case of massive intracranial immature teratoma in a female stillborn is reported. She was the product of the second pregnancy of a 25-year-old healthy woman. The pregnancy was unremarkable until the 25th week of gestation when the mother noticed a rapid enlargement of her abdomen and intense pelvic pain. Because of the pain, a cesarean section was indicated, and a stillborn weighing 2750g with macrocephaly was delivered. The cranial contents weighed 1350g and showed a huge tumoral mass with only a rim of normal brain. A histologic diagnosis of immature teratoma was made. Massive intracranial teratomas are rare tumors and their occurrence in intrauterine life is even rarer. Their histogenesis is unknown, and there is no explanation for their continuous growth during embryogenesis. A prenatal diagnosis of this rare condition can be made by ultrasound, computed tomography, or magnetic resonance imaging.

immature teratoma; intracranial congenital tumor


Um caso de teratoma imaturo gigante do sistema nervoso central em um natimorto é relatado. Durante a gravidez, a mãe desenvolveu poli-hidrâmnio abrupto na 25ª semana de gestação e dor pélvica intensa, que levou a indicação de cesárea. O natimorto pesava 2750g, apresentava macrocefalia evidente e o conteúdo craniano pesou 1350g. Este era representado por tecido tumoral em sua maioria e apenas uma pequena rima de tecido encefálico normal. A histologia mostrou tratar-se de um teratoma imaturo. Teratomas intracranianos gigantes congênitos são neoplasias raras, de histogênese incerta e não há explicação para o crescimento contínuo e rápido durante a vida intra-uterína. O diagnóstico pré-natal pode ser realizado por ultra-sonografia, tomografía computadorizada ou ressonância magnética.

teratoma congênito; tumor intracraniano congênito


Massive intracranial immature teratoma: report of a case with polyhidramnios and intense pelvic pain

Teratoma imaturo gigante intracraniano: relato de caso com poli-hidrâmnio e dor pélvica intensa

Fernando A. SoaresI; Sandra Elisabeth FischerII; Marlene Antonia Dos ReisIII; Edson Garcia SoaresI

IAssistant Professor

IIPost Graduation Student

IIIformer Resident

ABSTRACT

A case of massive intracranial immature teratoma in a female stillborn is reported. She was the product of the second pregnancy of a 25-year-old healthy woman. The pregnancy was unremarkable until the 25th week of gestation when the mother noticed a rapid enlargement of her abdomen and intense pelvic pain. Because of the pain, a cesarean section was indicated, and a stillborn weighing 2750g with macrocephaly was delivered. The cranial contents weighed 1350g and showed a huge tumoral mass with only a rim of normal brain. A histologic diagnosis of immature teratoma was made. Massive intracranial teratomas are rare tumors and their occurrence in intrauterine life is even rarer. Their histogenesis is unknown, and there is no explanation for their continuous growth during embryogenesis. A prenatal diagnosis of this rare condition can be made by ultrasound, computed tomography, or magnetic resonance imaging.

Key words: immature teratoma, intracranial congenital tumor.

RESUMO

Um caso de teratoma imaturo gigante do sistema nervoso central em um natimorto é relatado. Durante a gravidez, a mãe desenvolveu poli-hidrâmnio abrupto na 25ª semana de gestação e dor pélvica intensa, que levou a indicação de cesárea. O natimorto pesava 2750g, apresentava macrocefalia evidente e o conteúdo craniano pesou 1350g. Este era representado por tecido tumoral em sua maioria e apenas uma pequena rima de tecido encefálico normal. A histologia mostrou tratar-se de um teratoma imaturo. Teratomas intracranianos gigantes congênitos são neoplasias raras, de histogênese incerta e não há explicação para o crescimento contínuo e rápido durante a vida intra-uterína. O diagnóstico pré-natal pode ser realizado por ultra-sonografia, tomografía computadorizada ou ressonância magnética.

Palavras-chave: teratoma congênito, tumor intracraniano congênito.

Texto completo disponível apenas em PDF.

Full text available only in PDF format.

Aceite: 11-dezembro-1995.

Department of Pathology, Faculty of Medicine of Ribeirão Preto, University of São Paulo

Dr. Fernando A. Soares - Department of Pathology, Faculty of Medicine of Ribeirão Preto -14049-900 Ribeirão Preto SP - Brazil. Fax +55 (0)16. 633 1068. Internet address: fasoares@fmrp.usp.br

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Publication Dates

  • Publication in this collection
    06 Dec 2010
  • Date of issue
    June 1996
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