Laboratory diagnosis of gonorrhea: problems and solutions

Siuch N.I.

doi:https://doi.org/

Siuch N.I.

V.G. Korolenko City Clinical Hospital No 14, Mocow

Laboratory diagnosis of gonorrhea: problems and solutions

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Siuch N.I.

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Journal: Russian Journal of Clinical Dermatology and Venereology. 2014;12(4): 10‑17

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To cite this article:

Siuch NI. Laboratory diagnosis of gonorrhea: problems and solutions. Russian Journal of Clinical Dermatology and Venereology. 2014;12(4):10‑17. (In Russ.)

Подписка 2026 Клиническая дерматология и венерология (Russian Journal of Clinical Dermatology and Venereology)

Использование инфографики авторами научных работ

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Abstract:

Gonorrhea is a sexually transmitted infectious disease caused by gonococcus (Neisseria gonorrhoeae). Neisseria genus is represented by several species: N. canis, N. cinerea, N. denitrificans, N. elongate, N. flavescens, N. gonorrhoeae, N. lactamica, N. macacae, N. meningitides, N. mucosa, N. polysaccharea, N. sicca, and N. subflava. Of these, only two species are pathogenic to humans, namely N. gonorrhoeae and N. meningitides. Other members of the genus belong to the group of opportunistic aerobic and facultative anaerobic microorganisms, causative agents of septic and opportunistic diseases. Most Neisseria are commensal, residing in the oropharynx and nasopharynx. Neisseria spp. is the normal microflora of the urethra, the oral cavity and oropharynx, as well as the nose and skin. The list of laboratory tests for suspected gonococcal infection includes microscopy of stained preparations and cultural studies. Misunderstanding of the potential of light microscopy causes the conflict between clinicians and laboratory physicians. During light microscopy of preparations of the urogenital tract of patients with suspected gonococcal infection the researcher assesses the morphological characteristics of the pathogen and its gram staining characteristics, which allows him/her to suspect the presence of gonococcal infection, but do not diagnosticate it. Cultural studies are required for identification of N. gonorrhoeae species.

Keywords:

Neisseria gonorrhoeae

Neisseria spp.

Light microscopy; diplococci

morphologically similar to gonococci

species identification

Authors:

Siuch N.I.

V.G. Korolenko City Clinical Hospital No 14, Mocow

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References:

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