Korean J Urogenit Tract Infect Inflamm.
2013 Apr;8(1):43-46. 10.14777/kjutii.2013.8.1.43.
Outbreaks and Seasonal Variation of Mumps Orchitis: Report of Multicenter Data in Korea
- Affiliations
-
- 1Department of Urology, Korea University College of Medecine, Seoul, Korea. urobae@genetherapy.or.kr
- 2Department of Urology, Chonnam National University Medical School, Gwangju, Korea.
- 3Department of Urology, National Police Hospital, Seoul, Korea.
- 4Department of Urology, Chung-Ang University College of Medicine, Seoul, Korea.
- 5Department of Urology, Chungnam National University School of Medicine, Daejeon, Korea.
- 6Department of Urology, Dankook University Medical College, Cheonan, Korea.
- KMID: 2289252
- DOI: http://doi.org/10.14777/kjutii.2013.8.1.43
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 long-term follow-up and large prospective studies is needed in Korea.
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