Bacterial vaginosis differential diagnosis: Difference between revisions

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==Overview==
==Overview==
Bacterial vaginosis must be differentiated from other diseases that cause purulent, malodorous, thin [[vaginal discharge]] with elevated vaginal pH (<4.5). Such diseases include [[trichomoniasis]], [[atrophic vaginitis]], and desquamative inflammatory vaginitis. Additionally, bacterial vaginosis also must be differentiated other conditions such as [[candidiasis|vaginal candidiasis]], [[vaginitis]], and [[cervicitis]].<ref name=CDC-BV> Centers for Disease Control and Prevention. 2015 Sexually Transmitted Diseases Treatment Guidelines. Bacterial Vaginosis. http://www.cdc.gov/std/tg2015/bv.htm Accessed on October 13, 2016 </ref><ref name="pmid10839558">{{cite journal| author=Bachmann GA, Nevadunsky NS| title=Diagnosis and treatment of atrophic vaginitis. | journal=Am Fam Physician | year= 2000 | volume= 61 | issue= 10 | pages= 3090-6 | pmid=10839558 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=10839558  }} </ref><ref name="pmid2448502">{{cite journal| author=Krieger JN, Tam MR, Stevens CE, Nielsen IO, Hale J, Kiviat NB et al.| title=Diagnosis of trichomoniasis. Comparison of conventional wet-mount examination with cytologic studies, cultures, and monoclonal antibody staining of direct specimens. | journal=JAMA | year= 1988 | volume= 259 | issue= 8 | pages= 1223-7 | pmid=2448502 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=2448502  }} </ref><ref name="pmid21422855">{{cite journal| author=Sobel JD, Reichman O, Misra D, Yoo W| title=Prognosis and treatment of desquamative inflammatory vaginitis. | journal=Obstet Gynecol | year= 2011 | volume= 117 | issue= 4 | pages= 850-5 | pmid=21422855 | doi=10.1097/AOG.0b013e3182117c9e | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21422855  }} </ref><ref name="pmid9794664">{{cite journal| author=Eckert LO, Hawes SE, Stevens CE, Koutsky LA, Eschenbach DA, Holmes KK| title=Vulvovaginal candidiasis: clinical manifestations, risk factors, management algorithm. | journal=Obstet Gynecol | year= 1998 | volume= 92 | issue= 5 | pages= 757-65 | pmid=9794664 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=9794664  }} </ref>


==Differential Diagnosis==  
==Differential Diagnosis==  
Bacterial vaginosis diagnosis is unlikely In the absence of following findings:
A diagnosis of bacterial vaginosis is unlikely in the absence of the following findings:
*Fishy odor (negative whiff test)  
*Fishy odor (negative whiff test)  
*Normal vaginal PH (<4.5)
*Normal vaginal pH (<4.5)
*Presents of [[dysuria]]
*Presence of [[dysuria]]
*signs of [[inflammation]] in [[vagina]]
*Signs of vaginal [[inflammation]]


Bacterial vaginosis must be differentiated from:<ref name="pmid10839558">{{cite journal| author=Bachmann GA, Nevadunsky NS| title=Diagnosis and treatment of atrophic vaginitis. | journal=Am Fam Physician | year= 2000 | volume= 61 | issue= 10 | pages= 3090-6 | pmid=10839558 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=10839558  }} </ref><ref name="pmid2448502">{{cite journal| author=Krieger JN, Tam MR, Stevens CE, Nielsen IO, Hale J, Kiviat NB et al.| title=Diagnosis of trichomoniasis. Comparison of conventional wet-mount examination with cytologic studies, cultures, and monoclonal antibody staining of direct specimens. | journal=JAMA | year= 1988 | volume= 259 | issue= 8 | pages= 1223-7 | pmid=2448502 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=2448502  }} </ref><ref name="pmid21422855">{{cite journal| author=Sobel JD, Reichman O, Misra D, Yoo W| title=Prognosis and treatment of desquamative inflammatory vaginitis. | journal=Obstet Gynecol | year= 2011 | volume= 117 | issue= 4 | pages= 850-5 | pmid=21422855 | doi=10.1097/AOG.0b013e3182117c9e | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21422855  }} </ref><ref name="pmid9794664">{{cite journal| author=Eckert LO, Hawes SE, Stevens CE, Koutsky LA, Eschenbach DA, Holmes KK| title=Vulvovaginal candidiasis: clinical manifestations, risk factors, management algorithm. | journal=Obstet Gynecol | year= 1998 | volume= 92 | issue= 5 | pages= 757-65 | pmid=9794664 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=9794664  }} </ref>
Bacterial vaginosis must be differentiated from:<ref name=CDC-BV> Centers for Disease Control and Prevention. 2015 Sexually Transmitted Diseases Treatment Guidelines. Bacterial Vaginosis. http://www.cdc.gov/std/tg2015/bv.htm Accessed on October 13, 2016 </ref><ref name="pmid10839558">{{cite journal| author=Bachmann GA, Nevadunsky NS| title=Diagnosis and treatment of atrophic vaginitis. | journal=Am Fam Physician | year= 2000 | volume= 61 | issue= 10 | pages= 3090-6 | pmid=10839558 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=10839558  }} </ref><ref name="pmid2448502">{{cite journal| author=Krieger JN, Tam MR, Stevens CE, Nielsen IO, Hale J, Kiviat NB et al.| title=Diagnosis of trichomoniasis. Comparison of conventional wet-mount examination with cytologic studies, cultures, and monoclonal antibody staining of direct specimens. | journal=JAMA | year= 1988 | volume= 259 | issue= 8 | pages= 1223-7 | pmid=2448502 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=2448502  }} </ref><ref name="pmid21422855">{{cite journal| author=Sobel JD, Reichman O, Misra D, Yoo W| title=Prognosis and treatment of desquamative inflammatory vaginitis. | journal=Obstet Gynecol | year= 2011 | volume= 117 | issue= 4 | pages= 850-5 | pmid=21422855 | doi=10.1097/AOG.0b013e3182117c9e | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21422855  }} </ref><ref name="pmid9794664">{{cite journal| author=Eckert LO, Hawes SE, Stevens CE, Koutsky LA, Eschenbach DA, Holmes KK| title=Vulvovaginal candidiasis: clinical manifestations, risk factors, management algorithm. | journal=Obstet Gynecol | year= 1998 | volume= 92 | issue= 5 | pages= 757-65 | pmid=9794664 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=9794664  }} </ref>


{| style="border: 0px; font-size: 90%; margin: 3px;" align=center
{| style="border: 0px; font-size: 90%; margin: 3px;" align=center
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*Microscopy shows large number of parabasal (immature squamous epithelial cells) and inflammatory cells  
*Microscopy shows large number of parabasal (immature squamous epithelial cells) and inflammatory cells  
|-
|-
| style="padding: 5px 5px; background: #DCDCDC;" | '''[[Vaginal candidiasis]]'''
| style="padding: 5px 5px; background: #DCDCDC;" | '''[[candidiasis|Vaginal candidiasis]]'''
| style="padding: 5px 5px; background: #F5F5F5;" |
| style="padding: 5px 5px; background: #F5F5F5;" |
*Presents with vulvar pruritus and cottage cheese-like vaginal discharge with no or minimal odor with normal vaginal pH (4-4.5)
*Presents with vulvar pruritus and cottage cheese-like vaginal discharge with no or minimal odor with normal vaginal pH (4-4.5)
*presence of [[Candida]] on wet mount (adding 10% KOH destroys the cellular elements and facilitates recognition of budding yeast, pseudohyphae, and hyphae)
*presence of [[Candida]] on wet mount (adding 10% KOH destroys the cellular elements and facilitates recognition of budding yeast, pseudohyphae, and hyphae)
|}
|}
trichomoniasis, atrophic vaginitis, and desquamative inflammatory vaginitis. These four entities are easily distinguishable by clinical and microscopic features.
●Women with BV do not have dyspareunia or signs of vaginal inflammation; in contrast, women with atrophic vaginitis, desquamative inflammatory vaginitis, and trichomoniasis usually have these signs and symptoms.
●Both atrophic vaginitis and desquamative inflammatory vaginitis are associated with an increased number of parabasal cells on microscopy, which is not observed in women with BV.
●A large number of polymorphonuclear leukocytes on microscopy are characteristic of desquamative inflammatory vaginitis, trichomoniasis, and atrophic vaginitis with infection, but not BV.
●Visualization of trichomonads readily makes the diagnosis of trichomoniasis in the setting of an elevated pH, however, in other cases, we suggest using more sensitive and specific diagnostic tests to diagnose or exclude trichomoniasis.


==References==
==References==
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sara Mehrsefat, M.D. [2]

Overview

Bacterial vaginosis must be differentiated from other diseases that cause purulent, malodorous, thin vaginal discharge with elevated vaginal pH (<4.5). Such diseases include trichomoniasis, atrophic vaginitis, and desquamative inflammatory vaginitis. Additionally, bacterial vaginosis also must be differentiated other conditions such as vaginal candidiasis, vaginitis, and cervicitis.[1][2][3][4][5]

Differential Diagnosis

A diagnosis of bacterial vaginosis is unlikely in the absence of the following findings:

  • Fishy odor (negative whiff test)
  • Normal vaginal pH (<4.5)
  • Presence of dysuria
  • Signs of vaginal inflammation

Bacterial vaginosis must be differentiated from:[1][2][3][4][5]

Disease Findings
Trichomoniasis
  • Presents with purulent, malodorous, thin discharge associated with burning, pruritus, and dysuria, with the sign of vaginal inflammation and elevated vaginal pH (>4.5)
  • Motile trichomonads on wet mount
  • Positive culture (Gold standard)
  • Positive nucleic acid amplification test (NAAT)
Atrophic vaginitis
  • Progressive symptoms
  • Presents with yellow and malodorous vaginal discharge, vaginal dryness, postcoital bleeding, and dyspareunia with the sign of vaginal inflammation and elevated vaginal pH (>5)
  • Diagnosis is critical and laboratory tests can confirm hypoestrogenic state
Desquamative inflammatory vaginitis
  • Chronic clinical syndrome with unknown etiology
  • Presents with dyspareunia, dyspareunia, yellow, grey, or green profuse vaginal discharge with the sign of vaginal inflammation and elevated vaginal pH (>4.5)
  • Microscopy shows large number of parabasal (immature squamous epithelial cells) and inflammatory cells
Vaginal candidiasis
  • Presents with vulvar pruritus and cottage cheese-like vaginal discharge with no or minimal odor with normal vaginal pH (4-4.5)
  • presence of Candida on wet mount (adding 10% KOH destroys the cellular elements and facilitates recognition of budding yeast, pseudohyphae, and hyphae)

References

  1. ↑ 1.0 1.1 Centers for Disease Control and Prevention. 2015 Sexually Transmitted Diseases Treatment Guidelines. Bacterial Vaginosis. http://www.cdc.gov/std/tg2015/bv.htm Accessed on October 13, 2016
  2. ↑ 2.0 2.1 Bachmann GA, Nevadunsky NS (2000). "Diagnosis and treatment of atrophic vaginitis". Am Fam Physician. 61 (10): 3090–6. PMID 10839558.
  3. ↑ 3.0 3.1 Krieger JN, Tam MR, Stevens CE, Nielsen IO, Hale J, Kiviat NB; et al. (1988). "Diagnosis of trichomoniasis. Comparison of conventional wet-mount examination with cytologic studies, cultures, and monoclonal antibody staining of direct specimens". JAMA. 259 (8): 1223–7. PMID 2448502.
  4. ↑ 4.0 4.1 Sobel JD, Reichman O, Misra D, Yoo W (2011). "Prognosis and treatment of desquamative inflammatory vaginitis". Obstet Gynecol. 117 (4): 850–5. doi:10.1097/AOG.0b013e3182117c9e. PMID 21422855.
  5. ↑ 5.0 5.1 Eckert LO, Hawes SE, Stevens CE, Koutsky LA, Eschenbach DA, Holmes KK (1998). "Vulvovaginal candidiasis: clinical manifestations, risk factors, management algorithm". Obstet Gynecol. 92 (5): 757–65. PMID 9794664.


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