Abstract
Objective
The skeletal abnormalities of mucopolysaccharidosis (MPS) and skeletal dysplasia (SD) may be similar and even indistinguishable. This study aims to elucidate clinical clues and overlapping features that may assist in the different diagnosis.
Methods
The clinical features of patients who were first referred to endocrinology or rheumatology department for short stature or joint abnormalities were addressed and signs were examined upon different diagnosis.
Results
Three patients (I, II and III) were diagnosed with SD with overlapping and also distinguishing skeletal features compared with MPS. An atypical presentation defined in patient IV who was diagnosed with Morquio syndrome. Patients V and VI were diagnosed with MPS with early onset and typical skeletal features accompanied with additional systemic manifestations uncommon in SD.
Conclusion
In conclusion, this study emphasizes the clinical and radiological evaluation and nuances distinctions in clinical presentations that will highlight the challenges and guide to distinguishing different diagnosis of MPS and SD in atypical presentations for achieving the accurate diagnosis.
Keywords: Mucopolysaccharidosis, skeletal dysplasia, orthopedics, radiology, genetics
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