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91.
92.
We report a patient with metastatic thyroid carcinoma invading the esophagus in whom barium and MR examinations revealed an expansile intraluminal mass indistinguishable from that of a primary esophageal malignancy. Metastatic thyroid carcinoma should therefore be included in the differential diagnosis of an expansile esophageal mass. As in our patient, MR imaging may be useful for showing that the mass originates in the thyroid gland. 相似文献
93.
Variants of B cell lymphoma 6 (BCL6) and marked atopy 总被引:3,自引:0,他引:3
Chaker N Adra PS Gao XQ Mao Beverly W Baron S. Pauker T. Miki T. Shirakawa JM Hopkin 《Clinical genetics》1998,54(4):362-364
94.
95.
Meniscal abnormalities: prospective correlation of double-contrast arthrography and arthroscopy 总被引:2,自引:0,他引:2
In a prospective study conducted over a 12-month period, 30 patients underwent double-contrast arthrography of the knee followed by arthroscopic study. An 80% correlation rate was found between results. Arthrography had a higher rate of accuracy (93%) than arthroscopy (84%) and had a 7% false-positive and 0% false-negative rate. A commonly overlooked arthrographic sign--the triple-S or stuck sail sign--was 91% accurate in the prediction of meniscal tears. The complementary nature of the two examinations is discussed. 相似文献
96.
Fatality resulting from methylphenidate overdose 总被引:1,自引:0,他引:1
A case involving an accidental overdose fatality resulting from an intravenous injection of crushed Ritalin (methylphenidate) tablets is presented. The drug was quantified by gas chromatography/nitrogen-phosphorus detection and confirmed by gas chromatography/mass spectrometry. Concentrations of drug were as follows: blood, 2.8 mg/L; bile, 5.7 mg/L; kidney, 3.0 mg/kg; liver, 2.1 mg/kg; and stomach contents, 1.6 mg total. Other drugs and volatile substances were not detected. 相似文献
97.
Actions of growth factors on plasma calcium. Epidermal growth factor and human transforming growth factor-alpha cause elevation of plasma calcium in mice. 总被引:7,自引:5,他引:2 下载免费PDF全文
A H Tashjian Jr E F Voelkel W Lloyd R Derynck M E Winkler L Levine 《The Journal of clinical investigation》1986,78(5):1405-1409
Specific humoral substances produced and secreted by human tumors that cause hypercalcemia have not been identified. Certain growth factors (such as epidermal growth factor, platelet-derived growth factor, and transforming growth factors-alpha and -beta) have been shown to stimulate the resorption of bone in organ culture by both prostaglandin-dependent and prostaglandin-independent pathways. In this report we demonstrate that epidermal growth factor and recombinant human transforming growth factor-alpha induce a significant rise in plasma calcium concentration when administered repeatedly to intact mice for periods ranging from 24 h to 16 d. The elevation of plasma calcium is not dependent on dietary calcium and is not invariably accompanied by an increase in systemic levels of the prostaglandin E2 metabolite 13,14-dihydro-15-keto-prostaglandin E2. The in vivo calcium-mobilizing activity of epidermal growth factor and transforming growth factor-alpha indicate that these or related growth factors need be considered as potential mediators of tumor-induced hypercalcemia. 相似文献
98.
99.
Joseph Levine Mirtha Gonsalves Izak Babur Shaul Stier Avner Elizur Ora Kofman R. H. Belmaker 《Human psychopharmacology》1993,8(1):49-53
Inositol is an important precursor for second messenger synthesis and has been reported to be reduced by lithium treatment in rat brain and in human CSF in depression. An open trial of 6 g/day in 11 depressed patients resistant to previous treatment led to major improvement in nine patients. The enzyme synthesizing inositol has been reported to be elevated in schizophrenia, suggesting an attempted compensation for possible inositol deficiency. A controlled double-blind crossover trial in 10 chronic schizophrenic patients of 6 g/day of inositol for 30 days did not reveal any benefit. 相似文献
100.
Safety and immunogenicity of Salmonella typhi Ty21a vaccine in young Thai children. 总被引:5,自引:3,他引:2 下载免费PDF全文
S J Cryz Jr N Vanprapar U Thisyakorn T Olanratmanee G Losonsky M M Levine S Chearskul 《Infection and immunity》1993,61(3):1149-1151
Salmonella typhi Ty21a vaccine in a liquid formulation was evaluated in 634 Thai children 2 to 6 years of age. The seroconversion rate was 69% for those who received vaccine versus 14% for those who received placebo (P < 0.005). The immune responses among vaccine recipients ranged from 60% in 3-year-olds to 81% for 6-year-olds. 相似文献