• Maurício Rouvel Nunes, Tiago Godói Pereira, Henry Victor Dutra Correia, Simone Travi Canabarro, Ana Paula Vanz, ZenPaulo Ricardo GazzolaPRG0000-0002-7628-4877PhD. Professor, Departments of Clinical Medicine and Clinical Genetics, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre (RS), Brazil., and RosaRafael Fabiano MachadoRFM0000-0003-1317-642XPhD. Professor, Departments of Clinical Medicine and Clinical Genetics, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre (RS), Brazil..
• BSc. Master's Student, Postgraduate Program on Pathology, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre (RS), Brazil.
• Sao Paulo Med J. 2021 Aug 1; 139 (5): 435-442.

BackgroundTurner syndrome (TS) is a rare genetic disease. Understanding its clinical findings contributes to better management of clinical conditions.ObjectiveTo investigate the clinical and karyotypic characteristics of patients diagnosed with TS at two reference services for clinical genetics in southern Brazil.Design And SettingRetrospective cross-sectional study conducted in two clinical genetics services in Porto Alegre (RS), Brazil.MethodsThe sample consisted of 59 patients with TS diagnosed from 1993 to 2019. A review of their medical records was performed and a standard protocol was filled out.ResultsThe average age of the patients at diagnosis was 15.9 years, and 40.7% were over 13 years old. The largest proportion of them (42.4%) had been referred from an endocrinology department and their constitution was 45,X (40.7%). The most common clinical findings were short stature (85.7%), hypoplastic/ hyperconvex nails (61.2%), low posterior hairline (52.1%) and cubitus valgus (45.8%). There was no difference regarding the presence of short stature (P = 0.5943), number of dysmorphia (P = 0.143), anatomical regions affected and malformations identified through imaging examinations (P = 1.0000), regarding the presence or absence of 45,X constitution. Only 6% of the patients had used growth hormone and 43%, estrogen.ConclusionWe found that, in general, patients with TS were being diagnosed late. This has important implications for their treatment. In addition, only a small proportion of the patients were undergoing further examination or evaluation, which appeared to be leading to underdiagnosis of many abnormalities.

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