Sarcoidosis epidemiology and demographics: Difference between revisions
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==Epidemiology== | ==Epidemiology== | ||
Sarcoidosis involves all ethnic groups over the world, but the incidence varies in different regions and/or ethnic groups<ref name="epid">Hosoda Y, Yamaguchi M, Hiraga Y: Global epidemiology of sarcoidosis. What story do prevalance and incidence tell us? Clin Chest Med 18:681–694, 1997.</ref>. The annual incidence is highest in northern Europe(5 to 40 cases per 100,000)<ref>Pietinalho A, Hiraga Y, Hosoda Y, Lofroos AB, Yamaguchi M, Selroos O. The frequency of sarcoidosis in Finland and Hokkaido, Japan: a comparative epidemiological study. Sarcoidosis 1995;12:61-67.</ref>. The annual incidence in black americans compared to white americans is 3:1<ref>Rybicki BA, Major M, Popovich J Jr, Maliarik MJ, Iannuzzi MC. Racial differences in sarcoidosis incidence: a 5-year study in a health maintenance organization. Am J Epidemiol 1997;145:234-241.</ref>. The prognosis is also more likely to be poor in black americans<ref>Baughman RP, Teirstein AS, Judson MA, et al. Clinical characteristics of patients in a case control study of sarcoidosis. Am J Respir Crit Care Med 2001;164:1885-1889.</ref>. Sarcoidosis is more common in women compared to men<ref name="epid">Hosoda Y, Yamaguchi M, Hiraga Y: Global epidemiology of sarcoidosis. What story do prevalance and incidence tell us? Clin Chest Med 18:681–694, 1997.</ref><ref>Rybicki BA, Major M, Popovich J Jr, et al: Racial differences in | Sarcoidosis involves all ethnic groups over the world, but the incidence varies in different regions and/or ethnic groups<ref name="epid">Hosoda Y, Yamaguchi M, Hiraga Y: Global epidemiology of sarcoidosis. What story do prevalance and incidence tell us? Clin Chest Med 18:681–694, 1997.</ref>. The annual incidence is highest in northern Europe(5 to 40 cases per 100,000)<ref>Pietinalho A, Hiraga Y, Hosoda Y, Lofroos AB, Yamaguchi M, Selroos O. The frequency of sarcoidosis in Finland and Hokkaido, Japan: a comparative epidemiological study. Sarcoidosis 1995;12:61-67.</ref>, whereas in Eastern Europe only 3.68 cases of sarcoidosis per 100,000 are reported<ref>Kolek V: Epidemiological study on sarcoidosis in Moravia and Silesia. Sarcoidosis 11:110–112, 1994.</ref>. The worldwide prevalence and incidence is difficult to calculate because of different diagnostic criteria and clinical heterogenicity. | ||
===Age=== | |||
Sarcoidosis is not common before adulthood and in pediatric population it is usually diagnosed in patients older than 10 years with a peak of 13-15 year-old groups<ref>Baculard A, Blanc N, Boule M, et al: Pulmonary sarcoidosis in children: a follow-up study. Eur Respir J 17:628–635, 2001.</ref>. In children there is a different clinical picture, involving mostly eyes(uveitis), joints and skin rather than lung and lung involvement is diagnosed incidentally by imaging studies<ref>Pattishall EN, Strope GL, Spinola SM, Denny FW: Childhood sarcoidosis. J Pediatr 108:169–177, 1986.</ref>. The most common finding in pediatric sarcoidosis is abnormal chest radiography<ref>Milman N, Hoffmann AL: Childhood sarcoidosis: long-term follow-up. Eur Respir J 31:592–598, 2008.</ref>. | |||
The clinical scenario in juvenile-onset sarcoidosis is more similar to adult type<ref>Fretzayas A, Moustaki M, Vougiouka O: The puzzling clinical spectrum and course of juvenile sarcoidosis. World J Pediatr 7:103–110, 2011.</ref><ref>Shetty AK, Gedalia A: Childhood sarcoidosis: a rare but fascinating disorder. Pediatr Rheumatol Online J 6:16, 2008.</ref>. | |||
The annual incidence in black americans compared to white americans is 3:1<ref>Rybicki BA, Major M, Popovich J Jr, Maliarik MJ, Iannuzzi MC. Racial differences in sarcoidosis incidence: a 5-year study in a health maintenance organization. Am J Epidemiol 1997;145:234-241.</ref>. The prognosis is also more likely to be poor in black americans<ref>Baughman RP, Teirstein AS, Judson MA, et al. Clinical characteristics of patients in a case control study of sarcoidosis. Am J Respir Crit Care Med 2001;164:1885-1889.</ref>. Sarcoidosis is more common in women compared to men<ref name="epid">Hosoda Y, Yamaguchi M, Hiraga Y: Global epidemiology of sarcoidosis. What story do prevalance and incidence tell us? Clin Chest Med 18:681–694, 1997.</ref><ref>Rybicki BA, Major M, Popovich J Jr, et al: Racial differences in | |||
sarcoidosis incidence: a ive year study in a health maintenance organization. Am J Epidemiol 145:234–241, 1997.</ref>. | sarcoidosis incidence: a ive year study in a health maintenance organization. Am J Epidemiol 145:234–241, 1997.</ref>. | ||
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Overview
Sarcoidosis is a worldwide disease but there are some parts of the world and some ethnic groups which sarcoidosis is more common. Sarcoidosis is not common before adulthood. It is rarely diagnosed in patients younger than 10 years. In children the clinical picture is different from adult, mostly involving eyes, skin and joints. It is believed to be more common in women compared to men.
Epidemiology
Sarcoidosis involves all ethnic groups over the world, but the incidence varies in different regions and/or ethnic groups[1]. The annual incidence is highest in northern Europe(5 to 40 cases per 100,000)[2], whereas in Eastern Europe only 3.68 cases of sarcoidosis per 100,000 are reported[3]. The worldwide prevalence and incidence is difficult to calculate because of different diagnostic criteria and clinical heterogenicity.
Age
Sarcoidosis is not common before adulthood and in pediatric population it is usually diagnosed in patients older than 10 years with a peak of 13-15 year-old groups[4]. In children there is a different clinical picture, involving mostly eyes(uveitis), joints and skin rather than lung and lung involvement is diagnosed incidentally by imaging studies[5]. The most common finding in pediatric sarcoidosis is abnormal chest radiography[6]. The clinical scenario in juvenile-onset sarcoidosis is more similar to adult type[7][8].
The annual incidence in black americans compared to white americans is 3:1[9]. The prognosis is also more likely to be poor in black americans[10]. Sarcoidosis is more common in women compared to men[1][11].
References
- ↑ 1.0 1.1 Hosoda Y, Yamaguchi M, Hiraga Y: Global epidemiology of sarcoidosis. What story do prevalance and incidence tell us? Clin Chest Med 18:681–694, 1997.
- ↑ Pietinalho A, Hiraga Y, Hosoda Y, Lofroos AB, Yamaguchi M, Selroos O. The frequency of sarcoidosis in Finland and Hokkaido, Japan: a comparative epidemiological study. Sarcoidosis 1995;12:61-67.
- ↑ Kolek V: Epidemiological study on sarcoidosis in Moravia and Silesia. Sarcoidosis 11:110–112, 1994.
- ↑ Baculard A, Blanc N, Boule M, et al: Pulmonary sarcoidosis in children: a follow-up study. Eur Respir J 17:628–635, 2001.
- ↑ Pattishall EN, Strope GL, Spinola SM, Denny FW: Childhood sarcoidosis. J Pediatr 108:169–177, 1986.
- ↑ Milman N, Hoffmann AL: Childhood sarcoidosis: long-term follow-up. Eur Respir J 31:592–598, 2008.
- ↑ Fretzayas A, Moustaki M, Vougiouka O: The puzzling clinical spectrum and course of juvenile sarcoidosis. World J Pediatr 7:103–110, 2011.
- ↑ Shetty AK, Gedalia A: Childhood sarcoidosis: a rare but fascinating disorder. Pediatr Rheumatol Online J 6:16, 2008.
- ↑ Rybicki BA, Major M, Popovich J Jr, Maliarik MJ, Iannuzzi MC. Racial differences in sarcoidosis incidence: a 5-year study in a health maintenance organization. Am J Epidemiol 1997;145:234-241.
- ↑ Baughman RP, Teirstein AS, Judson MA, et al. Clinical characteristics of patients in a case control study of sarcoidosis. Am J Respir Crit Care Med 2001;164:1885-1889.
- ↑ Rybicki BA, Major M, Popovich J Jr, et al: Racial differences in sarcoidosis incidence: a ive year study in a health maintenance organization. Am J Epidemiol 145:234–241, 1997.