{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,25]],"date-time":"2026-08-25T09:21:24Z","timestamp":1787649684492,"version":"build-2736575974"},"reference-count":23,"publisher":"FapUNIFESP (SciELO)","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sao Paulo Med. J."],"abstract":"<jats:p>CONTEXT AND OBJECTIVE:Testicular torsion is a medical and urological emergency because it can lead to loss of the organ. The theory of seasonal testicular torsion occurrence is based on studies from institutions located in cold and temperate regions. The objective here was to determine whether cold weather is associated with higher incidence of testicular torsion in a tropical country, such as Brazil.DESIGN AND SETTING:Retrospective study, conducted in a tertiary and teaching hospital.METHODS:Patients with acute testicular torsion confirmed by surgery between April 2006 and March 2011 were studied. Information on weather conditions at the time of symptom onset was collected.RESULTS:A total of 64 testicular torsion cases were identified. The months with the highest incidences of testicular torsion were June (16%), July (19%) and August (11%), which had the lowest mean temperatures, of 17.6 \u00b0C, 16.4 \u00b0C and 18.2 \u00b0C, respectively. Eleven percent of cases occurred during spring (October to December), 16% occurred in summer (January to March), 34% occurred in fall (April to June) and 39% occurred in winter (July to September). There was a significant association between the incidence of testicular torsion and the season (fall and winter), P &lt; 0.001.CONCLUSIONS:Testicular torsion follows a seasonal association even in a tropical country, and is more frequent in the colder months of the year, namely fall and winter, when almost three-quarters of the cases occurred. These observations add further evidence that cold weather has an etiologic role in testicular torsion occurrence.<\/jats:p>","DOI":"10.1590\/1516-3180.2013.7600007","type":"journal-article","created":{"date-parts":[[2014,9,24]],"date-time":"2014-09-24T19:46:47Z","timestamp":1411588007000},"page":"187-190","source":"Crossref","is-referenced-by-count":13,"title":["Cold weather is a predisposing factor for testicular torsion in a tropical country. A retrospective study"],"prefix":"10.1590","volume":"133","author":[{"given":"Daniel de Oliveira","family":"Gomes","sequence":"first","affiliation":[{"name":"Hospital Santa Marcelina,  Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rafael Rocha","family":"Vidal","sequence":"additional","affiliation":[{"name":"Hospital Santa Marcelina,  Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bruno Figueiredo","family":"Foeppel","sequence":"additional","affiliation":[{"name":"Hospital Santa Marcelina,  Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Danilo Fiorindo","family":"Faria","sequence":"additional","affiliation":[{"name":"Hospital Santa Marcelina,  Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Minori","family":"Saito","sequence":"additional","affiliation":[{"name":"Hospital Santa Marcelina,  Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"530","published-online":{"date-parts":[[2014,9,26]]},"reference":[{"issue":"3","key":"ref1","doi-asserted-by":"crossref","first-page":"746","DOI":"10.1016\/S0022-5347(17)38875-4","article-title":"Testicular salvage and age-related delay in the presentation of testicular torsion","volume":"142","author":"Barada JH","year":"1989","journal-title":"J Urol"},{"issue":"5","key":"ref2","doi-asserted-by":"crossref","first-page":"2109","DOI":"10.1016\/S0022-5347(05)65096-3","article-title":"Adult testicular torsion","volume":"167","author":"Cummings JM","year":"2002","journal-title":"J Urol"},{"issue":"1","key":"ref3","doi-asserted-by":"crossref","first-page":"13","DOI":"10.1016\/S0022-5347(01)63997-1","article-title":"Historical milestones regarding torsion of the scrotal organs","volume":"159","author":"N\u00f6ske HD","year":"1998","journal-title":"J Urol"},{"issue":"5","key":"ref4","doi-asserted-by":"crossref","first-page":"381","DOI":"10.1136\/emj.17.5.381","article-title":"Trauma induced testicular torsion: a reminder for the unwary","volume":"17","author":"Seng YJ","year":"2000","journal-title":"J Accid Emerg Med"},{"issue":"7","key":"ref5","doi-asserted-by":"crossref","first-page":"485","DOI":"10.1007\/s00247-002-0701-z","article-title":"Sonographic diagnosis of acute spermatic cord torsion. 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