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The purpose of this study was to examine the structural requirements of polychlorinated and polybrominated biphenyls (PCBs and PBBs) for altering tissue levels of retinoids. Seven congeneric PCBs and PBBs were studied: 3,3',4,4'-tetrachlorobiphenyl (TCB), 2',3,3',4,5- and 3,3',4,4',5-pentachlorobiphenyls (-PeCBs), 3,3',4,4'- and(More)
We studied the effect of transcranial 2 MHz Doppler ultrasound (US) on the recanalization and outcome of stroke patients suffering from acute middle cerebral artery occlusion. All patients underwent intravenous recombinant tissue-type plasminogen activator thrombolysis. Eleven patients were randomly selected for continuous US monitoring (C-US) over 1 hour;(More)
BACKGROUND AND PURPOSE Head and neck infantile hemangiomas are common lesions that are rarely observed in an intracranial location. We report 4 patients with orbital infantile hemangiomas and ipsilateral enhancing intracranial lesions, presumed to be infantile hemangiomas. METHODS Imaging studies and medical records of 4 infants with orbital hemangiomas(More)
Male Swiss strain mice were individually- or group-housed for four weeks. Basal corticosterone levels did not differ with the type of housing, providing no support for the suggestion that the condition of the individually-housed mouse is stressful. Plasma corticosterone levels also were determined for mice which had been either left undisturbed or exposed(More)
Utilizing monoclonal reagents directed towards antigens of the monocyte-macrophage lineage and Ia antigens, the tissue architecture of synovial membranes obtained from patients with non-inflammatory joint diseases and patients with rheumatoid arthritis was studied. Emphasis was placed on the localization of the type I, type II and type III synoviocytes that(More)
Adrenomedullin (AM) is a novel vasorelaxing peptide which was originally isolated from the extracts of human pheochromocytoma. It is produced by a number of organs among which the adrenal gland exhibits by far the highest concentrations. The peptide circulates in blood and its plasma levels have been reported to be increased in several diseases such as(More)
BACKGROUND AND PURPOSE Sonothrombolysis is a new treatment approach in acute ischemic stroke. The results of a monocenter, randomized clinical study are presented. METHODS Subjects with acute middle cerebral artery main stem occlusion were randomized into a target group receiving 1-hour transcranial continuous insonation using a 1.8-MHz Doppler ultrasound(More)
Plasmacytomas can be divided into multiple, solitary osseous and solitary extraosseous/extramedullary plasmacytomas. Intracranial plasmacytomas of the dura, leptomeninx and cerebrum are well known from the literature. They are manifestations of multiple myeloma, intracranial extramedullary plasmacytoma or metastatic disease of extramedullary plasmacytoma in(More)
Peripheral blood mononuclear cells of patients with different tumors of the gastrointestinal tract (esophagus, stomach, colon, rectum), with Crohn's disease and healthy controls were analyzed for their capacity to produce mitogen induced interleukin-2 (I1-2). Tumor patients could be divided into two groups, one group exhibiting a nearly normal and a second(More)
Fifteen patients with colorectal tumours, 15 patients with Crohn's disease (CD) and two groups of normal controls were investigated for the presence of spontaneous suppressor cell activity (SSCA) in peripheral blood mononuclear cells (PBMC). In comparison to the age and sex matched controls patients with colorectal carcinoma exhibited a significant increase(More)