Cephalometric craniofacial features of patients with Sagliker syndrome: a primary analysis of our experience.
2021
Background Sagliker syndrome (SS) is characterized by a severe uglifying facial appearance resulting from untreated or inadequately treated secondary hyperparathyroidism (SHPT). To date, the craniofacial morphology of patients with SS has yet to be analyzed. The present research sought to cephalometrically evaluate the craniofacial features of patients with SS and to perform an in-depth analysis of their serum biochemical parameters, with the aim of furthering the theoretical basis for the early diagnosis and prevention of SS. Methods A retrospective chart review of 9 patients who fulfilled the diagnostic criteria for SS were included in this study, and their serum biochemical parameters were collected. After subjecting standard lateral cephalometric radiographic images to correction for distortions caused by magnification followed by digitization, we conducted a cephalometric analysis. Student's two-tailed t tests or Mann-Whitney U tests were used to analyze the data. Thirty-three patients with patients with SHPT alone were also included as controls. Results The lower anterior facial height (ANS-ME) and total anterior facial height (N-Me) measurements of patients with SS were significantly increased compared to those of the controls. The angles between the Frankfort horizontal, palatal, and occlusal planes and the mandibular plane, were greater in the SS group than in the control group, as was the gonial angle. Patients with SS also exhibited a significantly larger maxillary protrusion angle and relative position of the maxilla to the mandible. Most patients with SS had class II malocclusion, whereas most of the controls exhibited normal occlusion. Soft tissue largely followed the same pattern as craniofacial changes. Our investigation also showed that among patients with SHPT, female sex, longer duration of dialysis, and higher serum levels of alkaline phosphatase and intact parathyroid hormone were associated with development to SS. Conclusions Patients with SS show facial and biochemical differences compared to patients with SHPT. Female sex, long dialysis duration, and high serum levels of intact parathyroid hormone and alkaline phosphatase may be potential risk factors for SS.
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