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2019年2月22日星期五
Bioplasm machine-research of thorax is an informative
2019年2月21日星期四
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At pyopneumothorax we detected major diffusely located achromogenic areas corresponding to a separate air beads in purulent exudate. Depending on size they had a form of both point inclusions and quite extensive neoplasms. Free air in pleural cavity caused appearance of achromogenic line above fluid content.
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Chronic lung abscesses are characterized by the same regularities of hunter 4025
Chronic lung abscesses are characterized by the same regularities of hunter 4025-picture as acute ones. Diagnostic criteria are the quantitative ratio of purulent exudate and achromogenic air inclusions and their spatial distribution in a cavity. We singled out 4 types of chronic abscess depending on efficiency of its spontaneous drainage through bronchi: without access to bronchi (pseudo-tumorous), with insufficient spontaneous drainage, with free spontaneous drainage and an abscess with air pocket.
The main difference between chronic abscess and acute one was a presence of moderately chromogenic wall which was more distinctly visualized at the level of air content in the upper part of a cavity and less distinctly – in the lower part against the background of hyperchromogenic purulent exudate with suspensions. A wall had homogeneous chromogenic structure (4 points at Fleindler’s scale), even thickness (up to 8 mm), distinct external and indistinct internal contours.
The greatest diagnostic difficulty was represented by pseudo-tumorous form of chronic abscess, which had, as a rule, homogeneous hyperchromogenic structure because of dense purulent content and distinct contour imitating peripheral lung cancer. Etiology of a nidus was defined by SEA results and confirmed by puncture biopsy.
2019年2月19日星期二
On bioplasm nls-graphy early stage
Macroscopic basis of an early stage was a large cavity of destruction with insufficient spontaneous drainage, indistinctly separated from surrounding lung tissue and filled with purulent exudate with sequesters (25 patients). On bioplasm nls-graphy early stage was characterized by a neoplasm with heterogeneous structure due to diffuse distribution of lesser achromogenic areas of air beads against the background of prevailing isochromogenic content with heterogeneous suspensions and presence of large hypochromogenic< sequesters. Walls were not visualized, abscess was separated by lung tissue.
At the advanced stage we detected cavity of destruction with solid walls, properly drained by bronchi and containing mainly air, sequesters and small amount of purulent exudate (7 patients). On bioplasm nls-graphy it was characterized by heterogeneous neoplasm with prevailing long achromogenic objects with small amount of fluid in lower parts. Also homogeneous moderately chromogenic abscess wall of equal thickness with distinct external and indistinct internal walls was visualized.
Acute purulent processes are characterized by smaller than gangrenous abscesses size, often insufficient spontaneous drainage with heterogeneous diffuse distribution of achromogenic inclusions of air against isochromogenic background, absence of walls and sequesters. At adequate treatment we detected a positive dynamics in form of abscess cavity decreasing with simultaneous decreasing of fluid content amount and replacing by air. Further on a cicatrix was formed at the spot.
2019年2月12日星期二
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Blocked abscess was visualized as roundish neoplasm with hypechromogenic liquid content in which we detected isochromogenic suspensions (4-5 points at Fleindler’s scale), loosely distributed throughout a cavity of destruction (suppurative detritus), without achromogenic signals of air. At acute course a capsule of an abscess was not visualized. Purulent cavity was limited by lung parenchyma itself, which along with preserved air content was of the form of hypochromogenic line (2-3 points at Fleindler’s scale), but when air content was lost because of pneumonic infiltration, it was visualized as moderately chromogenic tissue (3-4 points). A width of this line varied depending on clarity of abscess limiting and significance of perifocal changes in a lung.
Burst of purulent content into bronchi meant start of open stage of abscess development with heterogeneous structure due to appearance of achromogenic signals against the background of hyperchromogenic fluid with suspensions. The efficiency of spontaneous drainage was evaluated by a quantity and a character of achromogenic inclusions (air) distribution in a purulent exudate. The drainage was considered insufficient at single or multiple lesser achromogenic cavities, diffusely distributed throughout the whole cavity of an abscess against the background of significantly prevailing hyperchromogenic content.
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