This image shows gram-negative diplococci within polymorphonuclear leukocytes. Dr. Gregory Lewis answered. D. Culture The current preferred laboratory method for the diagnosis of N. gonorrhoeae infections is the isolation and identification of the agent. 43 years experience Urology. 0. Neisseria is the only pathogenic gram negative cocci (precisely diplococci). Send thanks to the doctor. 1 doctor agrees. Cocci are 0.6 to 1.0 mm in diameter and can occur singly, but are more often found in pairs with adjacent sides flattened (diplococci). 0 thank. Yes: Yes, with appropriate antibiotic treatment. The Gram stain of a smear of urethral exudates or endocervical secretions shows typical Gram-negative, non-motile, intracellular diplococci. Biochemical Test and Identification of Neisseria gonorrhoeae. neisseria gonorrhoeae gram stain. Two species of Neisseria causes disease in humans; Neisseria meningitidis and Neisseria gonorrhoeae.. Human beings are only known hosts of N.gonorrhoeae. They are gram -ve, non-haemolytic, catalase and oxidase both positive organism. 0. N. gonorrhoeae culture was performed when gram-negative diplococci were present in a gram-stained smear or with material collected at a return visit when the TMA test showed an Ng-positive result. A 52-year-old member asked: Can you get rid of neisseria gonorrhoeae? For this reason, viewing typical intracellular GNDC in a direct Gram stain of endocervical exudate from a symptomatic female must be supported by growth in culture or detection by a nonculture method, such as a molecular assay. In women, there are other normal vaginal and rectal flora that can resemble Neisseria species. Abbreviations: GND, Gram-negative diplococcus; GNR, Gram-negative rod; +, most strains positive; -, most strains negative; R, strains grow well on selective medium for N. gonorrhoeae and/or show no inhibition around a colistin disk (10 micrograms); (R), most strains susceptible, some strains resistant. Introduction The direct Gram stain of a urethral discharge from males with urethritis is a rapid and sensitive screening test for Neisseria gonorrhoeae infection. For Ng culture, the clinical sample was inoculated on a plate with BBL GC-Lect Agar (Becton, Dickinson and Company, Franklin Lakes, NJ). 0 comment.
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