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Ann Pediatr Endocrinol Metab > Volume 5(2); 2000 > Article
Clinical Manifestations according to Karyotype in Turner Syndrome.
Gwang Cheon Jang, Hae Jung Shin, Duk Hee Kim
Abstract
PURPOSE
The reported clinical manifestations in Turner syndrome were different by karyotypes, countries and races. So, We evaluated the physical findings & medical problems in patient with Turner syndrome according to karyotype. METHODS: We examined prospectively 53 cases that diagnosed as Turner syndrome by chromosome study at the Pediatric Endocrine Clinic, YUMC from May 1999 to Aug 1999. According to the karyotype, they were divided into 3 groups:45, X(22 cases, 41.5%), mosaicism(18 cases, 34%) and structural aberration group(13 cases, 24.5%), and 53 cases were reevaluated by prepared protocol of 22 abnormal physical findings and 4 medical problems. Chi-square test was used for statistic analysis.
RESULTS
1)In case of 45, X group, they had short stature(100%), cubitus valgus(95.5%), widely spaced nipples(86.4%), shield chest(72.7%), low posterior hair line(68.2%), in case of mosaicism group, they had short stature(100%), cubitus valgus(72.2%), high arched palate(66.7%), widely spaced nipples(61.1%), short neck(61.1%) and in case of structural aberration group, they had short stature(100%), high arched palate (92.3%), widely spaced nipples(92.3%), low posterior hair line(76.9%), shield chest (76.9%), in frequency order. Short stature was the most common finding in Turner syndrome. The incidence of high arched palate was significantly higher in structural aberration group(P<0.05). 2)In case of 45, X group, they had otitis media(63.6%), thyroid problem(4.5%) and no renal problem and cardiac problem, in case of mosaicism group, they had otitis media(38.9%), thyroid problem(5.6%) and no renal problem and cardiac porblem and in case of structural aberration group, they had otitis media(61.5%), thyroid problem(15.4%), renal problem(7.7%) and cardiac problem(7.7%) in frequency order, they had no statistical difference in among three groups.
CONCLUSION
In case of 45, X group, the incidence of cubitus valgus, webbed neck were more common findings and of high arched palate, micrognathia were less common findings compared to other group. In case of mosaicism group, the incidence of micrognathia, epicanthal fold were more common findings and wide spaced nipples, antimongoloid fissure were less common findings compared to other group. In case of structural aberration group, the incidence of high arched palate is most common finding among 3 group(P<0.05) and pigmented nevi and epicanthal fold were less common findings compared to other group. The incidence of medical problems such as otitis media and thyroid problem were than other foreign country reports.
Keywords: Turner syndrome;Clinical manifestation;Karyotype


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