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Macroprolactinoma aos 6 anos de idade dificuldades diagnósticas: difficulties in diagnosis

Macroprolactinoma at 6 years of age

Resumos

Prolactinoma é raro na infância e adolescência. O diagnóstico mais precoce conhecido na literatura ocorreu aos 8 anos de idade. Aqui é relatado o achado de tumor selar em menina com 6 anos, embora só fosse procurado auxílio médico tardiamente, quando a paciente já apresentava atrofia parcial de papila. Nessa ocasião, foi constatada reserva diminuída de hormônio do crescimento e de cortisol, bem como hiperprolactinemia. Devido à rápida deterioração visual, a paciente foi submetida a craniotomia fronto-temporal com a hipótese diagnóstica de craniofaringioma. O exame imuno-histoquímico do tecido tumoral foi positivo para prolactina. Conclui-se que o prolactinoma deve ser considerado no diagnóstico diferencial de tumores selares na infância, por possibilitar terapêutica menos agressiva.

prolactinoma na infância; tumores selares; diagnóstico


Prolactinoma is rare in cihldhood and adolescence. The earliest known diagnosis was reported in a patient at 8 years of age. We report the case of a sellar tumor found in a 6 years old girl. After a long symptomatic period she was brought for treatment. At this time she had partial papillar atrophy, hyperprolactinemia, and diminished reserve of growth hormone and Cortisol. Due to rapid visual deterioration, she was submitted to a frontotem-poral craniotomy for suspected craniopharyngioma. The tumor tissue immunohistochemistry was positive for prolactin. It is concluded that prolactinoma must be considered in differential diagnosis of sellar tumors in childhood since it benefits from a less aggressive therapy.

prolactinoma in childhood; sellar tumors; diagnosis


Miriam Da Costa OliveiraI; Denise Dotta AbechI; Lígia M. Barbosa-CoutinhoII; Nelson Pires FerreiraIII

IDisciplina de Endocrinologia, FFFCMPA. Trabalho realizado na Disciplina de Endocrinologia da Fundação Faculdade Federal de Ciências Médicas de Porto Alegre (FFFCMPA)

IIDisciplina de Patologia. Trabalho realizado na Disciplina de Endocrinologia da Fundação Faculdade Federal de Ciências Médicas de Porto Alegre (FFFCMPA)

IIIDisciplina de Neurocirurgia, FFFCMPA. Trabalho realizado na Disciplina de Endocrinologia da Fundação Faculdade Federal de Ciências Médicas de Porto Alegre (FFFCMPA)

RESUMO

Prolactinoma é raro na infância e adolescência. O diagnóstico mais precoce conhecido na literatura ocorreu aos 8 anos de idade. Aqui é relatado o achado de tumor selar em menina com 6 anos, embora só fosse procurado auxílio médico tardiamente, quando a paciente já apresentava atrofia parcial de papila. Nessa ocasião, foi constatada reserva diminuída de hormônio do crescimento e de cortisol, bem como hiperprolactinemia. Devido à rápida deterioração visual, a paciente foi submetida a craniotomia fronto-temporal com a hipótese diagnóstica de craniofaringioma. O exame imuno-histoquímico do tecido tumoral foi positivo para prolactina. Conclui-se que o prolactinoma deve ser considerado no diagnóstico diferencial de tumores selares na infância, por possibilitar terapêutica menos agressiva.

Palavras-chave: prolactinoma na infância, tumores selares, diagnóstico.

SUMMARY

Prolactinoma is rare in cihldhood and adolescence. The earliest known diagnosis was reported in a patient at 8 years of age. We report the case of a sellar tumor found in a 6 years old girl. After a long symptomatic period she was brought for treatment. At this time she had partial papillar atrophy, hyperprolactinemia, and diminished reserve of growth hormone and Cortisol. Due to rapid visual deterioration, she was submitted to a frontotem-poral craniotomy for suspected craniopharyngioma. The tumor tissue immunohistochemistry was positive for prolactin. It is concluded that prolactinoma must be considered in differential diagnosis of sellar tumors in childhood since it benefits from a less aggressive therapy.

Key words: prolactinoma in childhood, sellar tumors, diagnosis.

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Dra. Miriam da Costa Oliveira — Rua Dona Mimi Moro 40 - 90430 Porto Alegre RS - Brasil.

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  • Macroprolactinoma aos 6 anos de idade dificuldades diagnósticas

    Macroprolactinoma at 6 years of age: difficulties in diagnosis
  • Datas de Publicação

    • Publicação nesta coleção
      22 Fev 2011
    • Data do Fascículo
      Set 1992
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