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Trichomoniasis Differential Diagnoses

  • Author: Darvin Scott Smith, MD, MSc, DTM&H; Chief Editor: Michael Stuart Bronze, MD  more...
 
Updated: Oct 21, 2015
 
 

Diagnostic Considerations

Prompt trichomoniasis diagnosis is important for eliminating infection in the patient and sexual partners and avoiding complications (see Complications).

Differential Diagnoses

 
 
Contributor Information and Disclosures
Author

Darvin Scott Smith, MD, MSc, DTM&H Adjunct Associate Clinical Professor, Department of Microbiology and Immunology, Stanford University School of Medicine; Chief of Infectious Diseases and Geographic Medicine, Department of Internal Medicine, Kaiser Redwood City Hospital

Darvin Scott Smith, MD, MSc, DTM&H is a member of the following medical societies: American Medical Association, American Society of Tropical Medicine and Hygiene, Infectious Diseases Society of America, International Society of Travel Medicine

Disclosure: Nothing to disclose.

Coauthor(s)

Natalia Ramos, MD, MPH Fellow, University of California, Los Angeles, David Geffen School of Medicine

Disclosure: Nothing to disclose.

Chief Editor

Michael Stuart Bronze, MD David Ross Boyd Professor and Chairman, Department of Medicine, Stewart G Wolf Endowed Chair in Internal Medicine, Department of Medicine, University of Oklahoma Health Science Center; Master of the American College of Physicians; Fellow, Infectious Diseases Society of America

Michael Stuart Bronze, MD is a member of the following medical societies: Alpha Omega Alpha, American Medical Association, Oklahoma State Medical Association, Southern Society for Clinical Investigation, Association of Professors of Medicine, American College of Physicians, Infectious Diseases Society of America

Disclosure: Nothing to disclose.

Acknowledgements

Judith C Brillman, MD Professor Emerita, Emergency Medicine Department, University of New Mexico School of Medicine

Judith C Brillman, MD is a member of the following medical societies: American Academy of Emergency Medicine, American Association of Women Emergency Physicians, and Society for Academic Emergency Medicine

Disclosure: Nothing to disclose.

John L Brusch, MD, FACP Assistant Professor of Medicine, Harvard Medical School; Consulting Staff, Department of Medicine and Infectious Disease Service, Cambridge Health Alliance

John L Brusch, MD, FACP is a member of the following medical societies: American College of Physicians and Infectious Diseases Society of America

Disclosure: Nothing to disclose.

Benjamin W Friedman, MD Staff Physician, Department of Emergency Medicine, Jacobi/Montefiore Medical Centers

Benjamin W Friedman, MD is a member of the following medical societies: American Academy of Emergency Medicine and Society for Academic Emergency Medicine

Disclosure: Nothing to disclose.

Theodore J Gaeta, DO, MPH, FACEP Clinical Associate Professor, Department of Emergency Medicine, Weill Cornell Medical College; Vice Chairman and Program Director of Emergency Medicine Residency Program, Department of Emergency Medicine, New York Methodist Hospital; Academic Chair, Adjunct Professor, Department of Emergency Medicine, St George's University School of Medicine

Theodore J Gaeta, DO, MPH, FACEP is a member of the following medical societies: Alliance for Clinical Education, American College of Emergency Physicians, Clerkship Directors in Emergency Medicine, Council of Emergency Medicine Residency Directors, New York Academy of Medicine, and Society for Academic Emergency Medicine

Disclosure: Nothing to disclose.

Rick Kulkarni, MD Attending Physician, Department of Emergency Medicine, Cambridge Health Alliance, Division of Emergency Medicine, Harvard Medical School

Rick Kulkarni, MD is a member of the following medical societies: Alpha Omega Alpha, American Academy of Emergency Medicine, American College of Emergency Physicians, American Medical Association, American Medical Informatics Association, Phi Beta Kappa, and Society for Academic Emergency Medicine

Disclosure: WebMD Salary Employment

Ashir Kumar, MD, MBBS, FAAP Professor Emeritus, Department of Pediatrics and Human Development, Michigan State University College of Human Medicine

Ashir Kumar, MD, MBBS, FAAP is a member of the following medical societies: American Association of Physicians of Indian Origin and Infectious Diseases Society of America

Disclosure: Nothing to disclose

Mark L Plaster, MD, JD Executive Editor, Emergency Physicians Monthly

Mark L Plaster, MD, JD is a member of the following medical societies: American Academy of Emergency Medicine and American College of Emergency Physicians

Disclosure: M L Plaster Publishing Co LLC Ownership interest Management position

Binita R Shah, MD, FAAP, Professor of Clinical Pediatrics and Emergency Medicine, SUNY Health Sciences Center at Brooklyn; Director of Pediatric Emergency Medicine, Departments of Emergency Medicine and Pediatrics, Kings County Hospital Center

Binita R Shah, MD, FAAP is a member of the following medical societies: American Academy of Pediatrics

Disclosure: Nothing to disclose.

Richard H Sinert, DO Associate Professor of Emergency Medicine, Clinical Assistant Professor of Medicine, Research Director, State University of New York College of Medicine; Consulting Staff, Department of Emergency Medicine, Kings County Hospital Center

Richard H Sinert, DO is a member of the following medical societies: American College of Physicians and Society for Academic Emergency Medicine

Disclosure: Nothing to disclose.

Russell W Steele, MD Head, Division of Pediatric Infectious Diseases, Ochsner Children's Health Center; Clinical Professor, Department of Pediatrics, Tulane University School of Medicine

Russell W Steele, MD is a member of the following medical societies: American Academy of Pediatrics, American Association of Immunologists, American Pediatric Society, American Society for Microbiology, Infectious Diseases Society of America, Louisiana State Medical Society, Pediatric Infectious Diseases Society, Society for Pediatric Research, and Southern Medical Association

Disclosure: Nothing to disclose

Francisco Talavera, PharmD, PhD Adjunct Assistant Professor, University of Nebraska Medical Center College of Pharmacy; Editor-in-Chief, Medscape Drug Reference

Disclosure: Medscape Reference Salary Employment

Robert W Tolan Jr, MD Chief, Division of Allergy, Immunology and Infectious Diseases, The Children's Hospital at Saint Peter's University Hospital; Clinical Associate Professor of Pediatrics, Drexel University College of Medicine

Robert W Tolan Jr, MD is a member of the following medical societies: American Academy of Pediatrics, American Medical Association, American Society for Microbiology, American Society of Tropical Medicine and Hygiene, Infectious Diseases Society of America, Pediatric Infectious Diseases Society, Phi Beta Kappa, and Physicians for Social Responsibility

Disclosure: Novartis Honoraria Speaking and teaching

R Gentry Wilkerson, MD Assistant Professor, Director of Research, Emergency Medicine Residency Program, University of South Florida College of Medicine, Tampa General Hospital

R Gentry Wilkerson, MD is a member of the following medical societies: American College of Emergency Physicians

Disclosure: Nothing to disclose.

Renee Wilson, MD, Clinical Assistant Instructor, Department of Emergency Medicine, SUNY-Downstate and Kings County Hospital

Renee Wilson, MD is a member of the following medical societies: Society for Academic Emergency Medicine

Disclosure: Nothing to disclose.

Mary L Windle, PharmD Adjunct Associate Professor, University of Nebraska Medical Center College of Pharmacy; Editor-in-Chief, Medscape Drug Reference

Disclosure: Nothing to disclose.

Martin Weisse, MD Program Director, Associate Professor, Department of Pediatrics, West Virginia University

Martin Weisse, MD is a member of the following medical societies: Ambulatory Pediatric Association, American Academy of Pediatrics, and Pediatric Infectious Diseases Society

Disclosure: Nothing to disclose.

Jeffrey M Zaks, MD Clinical Associate Professor of Medicine, Wayne State University School of Medicine; Vice President, Medical Affairs, Chief Medical Officer, Department of Internal Medicine, Providence Hospital

Jeffrey M Zaks, MD is a member of the following medical societies: American College of Cardiology, American College of Healthcare Executives, American College of Physician Executives, and American Medical Association

Disclosure: Nothing to disclose.

Acknowledgments

The authors wish to thank Amy Cai, MD, for the video and for sharing patient samples and insights.

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Trichomonas vaginalis on a saline wet mount at 40X on the microscope. Several motile parasites transit through the field, surrounded by white blood cells and squamous epithelial cells.
Life cycle of Trichomonas vaginalis. T vaginalis trophozoite resides in female lower genital tract and in male urethra and prostate (1), where it replicates by binary fission (2). The parasite does not appear to have a cyst form and does not survive well in the external environment. T vaginalis is transmitted among humans, the only known host, primarily via sexual intercourse (3). Image courtesy of Centers for Disease Control and Prevention.
Trichomonas vaginalis. (A) Two trophozoites of T vaginalis obtained from in vitro culture, stained with Giemsa. (B) Trophozoite of T vaginalis in vaginal smear, stained with Giemsa. Images courtesy of Centers for Disease Control and Prevention.
 
 
 
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