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ages:Falsepositives and –negatives。hard to batch tests Serology: Time:Weeks Advantages:Assessment of immunity or response to virus isolated from nonsterile site。 used for viruses difficult to culture Disadvantages:Potential crossreaction。need for acute and convalescent specimens,26,第二十六頁(yè),共三十頁(yè)。,真菌感染檢查(jiǎnch225。)檢驗(yàn)特點(diǎn),形態(tài)學(xué)檢查為檢測(cè)真菌的重要手段 抗原檢測(cè)適合血清和腦脊液中隱球菌、念珠菌、夾膜組織(zǔzhī)胞漿菌。 血清學(xué)診斷適用于深部真菌感染。,27,第二十七頁(yè),共三十頁(yè)。,Direct Examination,It is highly recommended that a direct microscopic examination be made on most this provide an immediate presumptive diagnosis for the physician, but it may also aid in the selection of an appropriate culture medium. A phasecontrast microscope is a valuable adjunct in the direct examination of specimens. The advantages include the following:1)mounts can be made and examined quickly。2)there is no need for direct staining。and3)the objects can be clearly visualized.,28,第二十八頁(yè),共三十頁(yè)。,菌絲、孢子(bāozǐ),29,第二十九頁(yè),共三十頁(yè)。,內(nèi)容(n232。ir243。ng)總結(jié),臨床病原學(xué)檢查?,F(xiàn)病史:陰莖、包皮兩側(cè)、龜頭部出現(xiàn)小水皰,疼痛難忍。標(biāo)本(biāoběn)處理:必須經(jīng)濾過除菌,標(biāo)本(biāoběn)需迅速冷藏、運(yùn)送。Time:Days to weeks。Disadvantages:Falsepositives and –negatives??乖瓩z測(cè)適合血清和腦脊液中隱球菌、念珠菌、夾膜組織胞漿菌。29,第三十頁(yè),共三十頁(yè)。,