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At least 235 records · Page 13Linked to original sources
PubMed1993

Reclassification of aggressive adenomatous mastoid neoplasms as endolymphatic sac tumors.

The emerging concept that aggressive adenomatous tumors of the temporal bone arise from the endolymphatic sac and constitute a distinct clinicopathologic entity merits wider recognition. These tumors share a common clinical pattern and exhibit consistent imaging and histopathologic features. Endolymphatic sac tumors (ELSTs) have been mistaken for other neoplasms such as paragangliomas, adenomatous tumors of mixed histology, ceruminomas, and choroid plexus papillomas. A review of the literature shows similarities among case studies of these aggressive adenomatous lesions. An analysis of the data supports the endolymphatic sac as an origin for these tumors. This report also presents an additional case of a less differentiated variant of this rare but important clinicopathologic entity.

Adenoma↗
PubMed2002

Trends in postneonatal aspiration deaths and reclassification of sudden infant death syndrome: impact of the "Back to Sleep" program.

OBJECTIVE: The introduction of the "Back to Sleep" campaign for the prevention of sudden infant death syndrome (SIDS) brought with it concern that there might be an increase in the incidence of aspiration-related deaths. The objective of this analysis was to describe the trends in postneonatal mortality and proportionate mortality ratios for the United States for the years 1991 to 1996 for aspiration-related deaths and other causes to which a SIDS death could conceivably be reclassified. METHODS: Linked birth and infant death vital statistic files for the United States were used for the years 1991, 1995, and 1996. US Vital Statistic Mortality files for the years 1992, 1993, and 1994 were used because of the absence of linked files for those years. RESULTS: The overall postneonatal mortality rate between 1991 and 1996 declined 21.9%, whereas the SIDS rate declined 38.9%. The proportion of the postneonatal mortality (PNPMR) contributed by SIDS declined from 37.1% in 1991 to 28.8% in 1996. There was no significant increase in the PNPMR for aspiration, asphyxia, or respiratory failure. There was, however, a significant increase in the PNPMR for suffocation in bed or cradle from 0.9 to 1.3. CONCLUSIONS: These data show no evidence of an increased risk of death from aspiration as a result of the "Back to Sleep" program. Although there has been an increase in the proportion of postneonatal mortality attributable to suffocation, this represents a very small proportion of postneonatal mortality and thus potentially a very small number of SIDS deaths reclassified as suffocation.

Adult↗
PubMed1998

Reclassification of marine Agrobacterium species: Proposals of Stappia stellulata gen. nov., comb. nov., Stappia aggregata sp. nov., nom. rev., Ruegeria atlantica gen. nov., comb. nov., Ruegeria gelatinovora comb. nov., Ruegeria algicola comb. nov., and Ahrensia kieliense gen. nov., sp. nov., nom. rev.

The bootstrapped 16S rDNA sequence-based neighbor-joining phylogeny has suggested that the marine species of the genus Agrobacterium have no relation to the terrestrial Agrobacterium species. Agrobacterium atlanticum IAM 14463(T) (a superscript (T)=type strain), Agrobacterium ferrugineum IAM 12616(T), Agrobacterium gelatinovorum IAM 12617(T), Agrobacterium meteori IAM 14464(T), Agrobacterium stellulatum IAM 12621(T) and IAM 12614, and the invalidly published marine species "Agrobacterium kieliense" IAM 12618 occupy an independent position in the a-subclass of the Proteobacteria. Based on 16S rDNA sequencing and on chemotaxonomic, morphological, and physiological studies, we propose the transfer of A. atlanticum, A. gelatinovorum, and Roseobacter algicola to the genus Ruegeria gen. nov. as Ruegeria atlantica comb. nov., Ruegeria gelatinovora comb. nov., and Ruegeria algicola comb. nov., respectively; of strains of A. stellulatum to the genus Stappia gen. nov. as Stappia stellulata comb. nov. and Stappia aggregata sp. nov., nom. rev., respectively; and of "A. kieliense" to the genus Ahrensia gen. nov. as Ahrensia kieliense sp. nov., nom. rev. Agrobacterium meteori is assigned to be a synonym of A. atlanticum.

Journal Article↗