This article reports the rare occurrence and investigation of a specific anti-factor XI inhibitor that arose after fresh-frozen plasma infusion into a patient with previously unrecognized Factor XI deficiency. The IgG fraction of the patient's plasma that contained anti-Factor XI antibody was isolated by chromatography on DEAE-Affigel and concentrated. It was shown to exert inhibitory effect on purified Factor XI and XIa both in the activated and nonactivated partial thromboplastin time assay.
Neuroendocrine tumor of the uterine cervix is a rare and aggressive malignancy. Despite controversial, multimodal treatment methods, prognosis and treatment outcomes are worst in advanced stages. We report an early-stage case treated with the multimodal approach. The nomenclature proposed for this tumor type in 1997 by the College of American Pathologists still has some points of discussion. As in our case some of the tumors cannot be defined exactly into small or large cell types, and this causes confusion at least for nomenclature purposes. A ‘mixed’ type for this tumor may be appropriate.
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