OBSTET-L Mensagens pela Julho, 2001: Re: trabalhos interessantes XIII

Re: trabalhos interessantes XIII
From: =?Windows-1252?Q?Mauro_Guimarães_dos_Santos?= (mgsantos@conex.com.br)
Sun, 8 Jul 2001 15:45:46 -0300

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>----- Original Message -----
From: Jaime <jaimen@zaz.com.br> To: Multiple recipients of list OBSTET-L <obstet-l@mail.medispecialty.com> Sent: Friday, May 18, 2001 10:25 PM Subject: trabalhos interessantes XIII
>
> Aos colegas da lista.
>
> Uma segunda leitura das mamografias, melhora a acurácia e a
> sensibilidade para detecção de câncer inicial, diminuindo os falso
> negativos.
>
> Durante o estudo, foram revisados 25.368 mamogramas. A taxa de
> reconvocação total foi 14% ou 3.588 mulheres. O primeira leitura foi
> responsável por 3.209 das reconvocações e a segunda leitura adicionou 379.
> Das mulheres reconvocadas, 676 foram biopsiadas. A primeira leitura foi
> responsável por 634 das biópsias, e a segunda por 42.
>
> Os resultados das biópsias mostraram um total de 139 malignidades
das > quais 11 estavam em mulheres reconvocadas pela segunda leitura. O que
> aumentou a taxa de diagnóstico de câncer em 7.9%.
> Este trabalho foi apresentado dia 04 de Maio de 2001, no 101st
annual > meeting of the American Roentgen Ray Society, pela Dra. Susan Harvey, que
> também afirmou durante sua conferência que a segunda leitura é rápida,
leva > de 30 segundos a 1 minuto por caso.
>
> MAIS DETALHES:
>
> Double Reading of Mammograms Increases Cancer Detection Rate
> --------------------------------------------------------------------------

-- > -------------------------------------------------------------------------- > ---- > -------------------------------------------------------------------------- > > SEATTLE (Reuters Health) May 04 - Routine double reading of mammograms may > help improve the accuracy and sensitivity of the screening, according to > study results presented Thursday at the 101st annual meeting of the American > Roentgen Ray Society. > > Dr. Susan Harvey presented data on the initial experience of independent > double readings at Fletcher Allen Health Care in Burlington, Vermont. The > second reading is rapid, she explained to conference attendees. "It takes > between 30 seconds to a minute per case, depending on the case and the > radiologist. The second reader in this method can add but not delete > recalls." > > During the study period, 25,368 mammograms were reviewed. The total recall > rate was 14% or 3588 women. The first reader was responsible for 3209 of the > recalls and the second reader added 379. Of the women recalled, 676 were > biopsied. The first reader initiated 634 of the biopsies, and second reader > was responsible for 42. > > The biopsy results showed a total of 139 malignancies, of which 11 were in > women recalled by the second reader. Dr. Harvey said that the increased > cancer detection rate was 7.9%. > > The expenses generated by the second reading and additional imaging, > biopsies and pathology totaled $111,000. This amounts to about $10,000 per > additional cancer detected, Dr. Harvey pointed out. > > "Our recall rate was increased by 1.5%, and our current second read has been > modified," she told meeting attendees. "We are now doing a consensus double > reading because of this data, and in an effort to decrease our recall rate > and cost." > > Jaime Nonato http://www.geocities.com/jjndo jaimen@zaz.com.br >

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