Biomedical subjects
Publications and source records attributed to J Orłowski.
Clinical, radiological and dynamometric assessment served to evaluate results of treatment for the radial head fracture in 51 patients out of 89 managed between 1983 and 1993. Comminuted fractures, especially if complicated by ligament-capsular injury of the elbow have bad prognosis. Results of treatment are poor in this type of injury regardless the mode of management.
The authors presented a case of a man, 44, with a rare malignant neoplasm of the upper eyelid, diagnosed after its second recurrence as carcinoma sebaceum. At first the lesion was considered to be a chalasion and histopathological diagnosis after the first recurrence was carcinoma spinocellulare. The authors tried to explain the differences between the 2 histopathological examinations and concluded that the clinical course of the case confirmed the necessity of this examination in every atypical recurrent chalasion.
The aim of the investigations were determination of acute (A-DL50) and subacute (C-DL50) toxicity of guaiacol, methyl-guaiacol and syringol. White Wistar male rats, body weight 250 g +/- 20, were used. From the data obtained it was concluded that tested compounds could be classified to the fourth toxicity class (Hodge-Sterner classification). Cumulation coefficients show that no cumulation of there compounds occurs in a rat organism.
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Absorption of m-xylene and excretion of m-methylhippuric acid were investigated under controlled conditions in ten volunteers aged 17-33 years. They were exposed to m-xylene vapours at concentrations of 100, 300, and 600 mg/m3. It was found that m-xylene vapour retained in the lungs tended to decrease at the end of the exposure. An exposure test was devised, based upon the results obtained during our investigations. The amount of xylene absorbed in the course of eight hours' work can be calculated with an accuracy of about +/- 8%.
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