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Outbreaks and Seasonal Variation of Mumps Orchitis: Report of Multicenter Data in Korea
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Hoon Choi, Jae Hyun Bae, Seung Il Jung, Seung Ki Min, Tae Hyung Kim, Yong Gil Na, Gil Ho Lee
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Korean J Urogenit Tract Infect Inflamm 2013;8(1):43-46. Published online April 30, 2013
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 Abstract
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- 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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A Clinical Survey of Renal and Perirenal Abscess
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Byung Hoon Chi, Tae Hyung Kim, Se Jun Park, Jun Young Kim
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Korean J Urogenit Tract Infect Inflamm 2009;4(2):190-195. Published online October 31, 2009
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- "Purpose: This study was performed to assess the recent trend of renal or perirenal abscess. Materials and Methods: We have analyzed retrospectively 18 in-patients with renal or perirenal abscess at our hospital from June 2002 to May 2009. Results: Mean age was 49.1±18.4years. Thirteen cases were renal and 5 cases were perirenal abscess. The most common predisposing factor was diabetes mellitus (22.2%). Fever with flank pain (66.7%) was the most common symptom. The duration of symptom was longer in patients with perirenal abscess (9.6 days) than renal abscess (5.9 days). On the urine culture, 4 cases of E. coli (22.2%) were detected. On the blood culture, 3 cases were positive; E. coli was in 2 cases and S. epidermidis in 1 case. Among 10 cases of abscess culture, E. coli was in 8 cases and S. epidermidis was in 1 case. The remaining 1 case was sterile. Most of patients were diagnosed by CT scan with ultrasonography (94.4%). Antibiotics only treatment was done in 9 patients (50%) with small renal abscess (<30mm). Four (2.2%) of percutaneous aspiration was done (renal 2, perirenal 2). Three cases (16.7%) of surgical drainage was done (renal 1, perirenal 2). One case of nephrectomy in non-functioning kidney and 1 case of double-J stenting with ESWL was done. Conclusions: We suggest that the early detection by CT scan with ultrasonography and the proper selection of management is very important in successful outcome of renal or perirenal abscess."
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