To identify correlations between clinical presentation, specific histopathologic findings, and subsequent disease course in patients with necrobiotic xanthogranuloma (NXG).Design: Retrospective review of medical records and histopathologic examination of fixed tissue samples.

No abstract

The action of the bacteria included in the family Enterobacteriaceae on trimethylamine oxide has been studied. It has been found that trimethylamine production from trimethylamine oxide is characteristic of all the tribes of this family (650 cultures representing 74 species). The only exceptions have been within the genera Shigella and Erwinia. S. dysenteriae and S. paradysenteriae are unable to produce trimethylamine under the conditions used in the present work. Eight out of seventeen unidentified species of the genus Erwinia were likewise inactive.

The combination of antihuman hepatocyte antibody and albumin ISH is highly sensitive and specific for HCC metastatic to skin and is useful in the differential diagnosis of a poorly differentiated cytokeratin-positive neoplasm.

The ability of certain of the Enterobacteriaceae to produce trimethylamine from choline has been demonstrated. This provides an additional biochemical test for bacterial taxonomy.