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Choi, Bae, Jung, Min, Kim, Na, and Lee: Outbreaks and Seasonal Variation of Mumps Orchitis: Report of Multicenter Data in Korea
Original Article

Korean J Urogenit Tract Infect Inflamm 2013;8(1):43-46.

Published online: 17 April 2013

DOI: https://doi.org/10.14777/kjutii.2013.8.1.43

Outbreaks and Seasonal Variation of Mumps Orchitis: Report of Multicenter Data in Korea

Hoon Choi, Jae Hyun Bae, Seung Il Jung1, Seung Ki Min2, Tae Hyung Kim3, Yong Gil Na4, Gil Ho Lee5

Department of Urology, Korea University College of Medecine, Seoul, Korea

1Department of Urology, Chonnam National University Medical School, Gwangju, Korea

2Department of Urology, National Police Hospital, Seoul, Korea

3Department of Urology, Chung-Ang University College of Medicine, Seoul, Korea

4Department of Urology, Chungnam National University School of Medicine, Daejeon, Korea

5Department of Urology, Dankook University Medical College, Cheonan, Korea

Correspondence to: Jae Hyun Bae, Department of Urology, Korea University Ansan Hospital, Korea University College of Medicine, 123, Jeokgeum-ro, Danwon-gu, Ansan 425-707, Korea Tel: +82-31-412-5190, Fax: +82-31-412-5194 E-mail: urobae@genetherapy.or.kr

No potential conflict of interest relevant to this article was reported.

Received 21 March 2013       Revised 16 April 2013       Accepted 17 April 2013

Copyright © 2013 Korean Association of Urogenital Tract Infection and Inflammation

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Purpose

Mumps is an infectious viral disease that often results in painful swelling of testis preceded by parotitis. We report multicenter data on mumps orchitis from five community hospitals.

Materials and Methods

From January 2011 to December 2012, 98 patients diagnosed with acute mumps orchitis were treated at five community hospitals in different districts of Korea. As a report on an outbreak of mumps orchitis, age, bilaterality, monthly occurrence frequency, and vaccination status were recorded retrospectively.

Results

The mean age of the 98 patients was 19.7 (range from 10 to 38) years old. Age distribution of patients included 60 teens (61.2%), 31 in their twenties (31.6%), and seven in their thirties (7.2%). No evidence of a previous mumps vaccination was found in medical records from six patients (6.1%), and the vaccination status of one patient was unknown. Bilateral orchitis was noted in eight patients (8.2%), and 90 patients (91.8%) had unilateral orchitis. Right-sided orchitis was noted in 50 patients (51.0%), and left-sided orchitis was noted in 40 patients (40.8%). Autumn (September to November) was the most prevalent season, with 35 outbreaks (35.7%). Seasonal outbreaks occurred in 13 patients (13.2%) in spring (3rd- 5th), 24 patients (24.7%) in summer (6th-8th), and 26 patients (26.4%) in winter (12th-2nd).

Conclusions

In spite of continued vaccination, mumps orchitis is still a prevalent disease. Therefore, due to a large number of outbreaks, mumps orchitis should still be considered, especially in teenagers and during autumn season. Conduct of additional longterm followup and large prospective studies is needed in Korea.

Keywords: Mumps, Orchitis, Vaccination

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Fig. 1.
Monthly outbreaks of 98 mumps patients.
kjutii-8-43f1.tif
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