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CT diagnosis of silicosis large value of the shadow

Anterior chest films show a large shadow than the number of CT scanning and anteroposterior chest radiograph shows significantly reduced, which may be related to the following factors: (1) in terms of the distribution of lesions, CT showed pulmonary silicosis Variable Multiple Habitat The Journal of Industrial Hygiene and Occupational ■ June 1996 14 3 dependents back, the point character homes become pathological examination confirmed the distribution of silicosis silicosis in the ventral turn on change (in particular the large negative shaggy I) of the dynamic observation. Turned back less than the conclusion,[link widoczny dla zalogowanych], after the anterior chest lesions caused by enlarged projection dynamic review of the semi CT changes in a large shadow,[link widoczny dla zalogowanych], and the results are often inconsistent, unclear and not easily shaggy edges to be displayed. (2) after the anterior ah reason may have been,[link widoczny dla zalogowanych], (1) CT scan obtained layer in the Journal of technically difficult to choose a show with the big shadow of I + I detected less of the mass, and before and after the level. (2),[link widoczny dla zalogowanych], leaving different levels of respiratory breath-hold level changes. (3) The mass of thin diameter, lesion thickness and radius <transverse diameter of the mass 71, only a small fork or thin shrink the disease itself by pulling it around the fibrotic lesions in the amount of change in position, change the shadow of their mantle unadorned, and then when the anterior projection of the lesion produced by x ray silicosis mass itself is also uneven shape, all the As in the display, and the x ray of lung disease before the old gas produced by the negative image , a level of performance for the shape and size are different. Therefore, CT as a dynamic of mutual trust to some extent, failed to eliminate a portion of the formation of the appropriate mass of the observed changes in the shadow or observe the efficacy of drugs against silicosis has a certain ratio, this in the post-anterior chest radiograph was found. C3) mass value close to the chest, but not easy to have the exact shade of large quantitative expression, fine wrinkles of its Bureau of membrane thickening, some mass from the CT showed the posterior wall of the adjacent side of the pleura limited. Hypertrophy, the end was kind of hydrazine, some clumps were feeding the side wall and the edge of the pleural longitudinal growth (this order of Zhejiang Medical University, Professor Hu Zhuisheng they enjoy the trial, Jinchu Tuo) thick, then into orange. Bridge-like, so that by the ill-defined round lesion. In summary, the use of a single posteroanterior chest radiograph, may be the Ming shaggy silicosis than the detection rate (close pry a 1996-05-10) low, so the posteroanterior and anteroposterior chest with two homes observation, contribute to (t Lu Limin edit this article). First, the gate Ping Jun, Yin, {Code, Core epidemiological studies need to teach and evaluate specific phase or group of clinically diagnosed pregnancy ended. urine immediately - 20 quantitative monitoring of the city of Yong Mao film promoting hormone ChCG) MG-free method of measuring indicators of monoclonal Pat attention. our female workers of a petrochemical production levels for the given sample hcG ridicule. observe the object, to reveal the Hui industry workers early pregnancy loss rate of early 3. t early pregnancy loss to determine the menstrual cycle in a continuous kind of early pregnancy loss as indicators of reproductive damage the value of sensitivity and feasibility of plague. goods, if the concentration is greater than 1 1onT urine hcG , L, or two consecutive one, objects and methods were greater than the concentration of urine hcG 5ILT / I., and menstrual cramps after pupil 1. observe the object t choose a petrochemical producers five large living persons, as an early pregnancy loss. production plant for the observation is inserted, from the female fertility index, the screen and out of the study |. the air to determine the concentration of harmful substances in accordance with slander petrochemical t study will be stopped during the pregnancy wanted fertility, No known chronic Tanbing and anti-corporate level workshops offered by someone to deliver materials and routine monitoring of toxic substances in the atmosphere of infertility, and Hui Xiang volunteer researchers as the observation object. taking shake the living environment monitoring center provides general air of harmful substances Monitoring data element contraceptive discontinuation after six months are required to be used as observation object. asked to sort materials. The survey covered the general situation, medical history, the pregnancy history and reproductive history, occupational history II, the results and the spouse of the situation. There 58 people participated in the study self-interest, provides a 137 period 2. urine sample collection, preservation and inspection records in the study of the Q cycle, 973 copies of each urine sample. Shí c deleted for various conditions for those who do not meet the , the object can be observed by every October to the phase when the menstrual cycle, ask for analysis from each October by a total of 925 copies (55, 126 in October by the cycle) samples. 55 day cycle, 21 the next day to collect morning urine and morning urine to observe the object name of the next menstruation general Annex. with the general population characteristics of observed objects atlas note, with the work of Lei Lei's data disabilities,, () the number of buildings within the bulk of the HL unit, 261042, Shandong Tuo Square Medical Health Zhao teaching and research promotion (meaning king) l Occupational Health, Beijing Medical University teaching and research Kui (ZHOU Shu-sac)
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