Multiple Osteochondritis Dissecans as Main Manifestation of Multiple Epiphyseal Dysplasia Caused by a Novel Cartilage Oligomeric Matrix Protein Pathogenic Variant: A Clinical Report

被引:0
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作者
Mazzotti, Antonio [1 ,2 ]
Artioli, Elena [1 ,2 ]
Brizola, Evelise [3 ]
Moroni, Alice [3 ]
Tremosini, Morena [3 ]
Di Cecco, Alessia [3 ]
Gallone, Salvatore [4 ]
Faldini, Cesare [1 ,2 ]
Sangiorgi, Luca [3 ]
Gnoli, Maria [3 ]
机构
[1] IRCCS Ist Ortoped Rizzoli, Orthopaed & Traumatol Clin 1, I-40136 Bologna, Italy
[2] Alma Mater Studiorum Univ Bologna, Dept Biomed & Neuromotor Sci DIBINEM, I-40123 Bologna, Italy
[3] IRCCS Ist Ortoped Rizzoli, Dept Rare Skeletal Disorders, I-40100 Bologna, Italy
[4] Univ Turin, Clin Neurogenet Neurosci Dept, I-10124 Turin, Italy
关键词
multiple epiphyseal dysplasia; osteochondritis dissecans; COMP gene; pathogenic mutation; RADIOGRAPHIC FEATURES; COMP; DIAGNOSIS; MUTATION;
D O I
10.3390/genes15111490
中图分类号
Q3 [遗传学];
学科分类号
071007 ; 090102 ;
摘要
Background: Multiple epiphyseal dysplasia (MED) is a clinically and genetically heterogeneous group of skeletal diseases characterized by epiphyseal abnormalities associated with mild short stature. The clinical variability is wide, and the first clinical manifestations still occur in childhood with joint pain and stiffness that evolve into degenerative joint disease. MED, caused by mutations in the Cartilage Oligomeric Matrix Protein (COMP) gene, is the most common form of the disease. COMP-MED usually shows significant involvement of the capital femoral epiphyses and irregular acetabulum; instead, COL9A1-, COL9A2-, and COL9A3-MED appear to have more severe knee involvement than hips, resulting in a milder presentation than COMP-MED cases. Other complications have been reported, in particular osteochondritis dissecans (OCD), which has been described in two large COL9A2-related MED families associated with myopathy. Methods: Here, we report the case of a 24-year-old man affected by COMP-MED with a positive family history for the disease and a clinical presentation that interestingly is characterized by the presence of multiple OCD. Results: To our knowledge, this is the first case of COMP mutations related to multiple OCD as the main clinical feature. Conclusions: This report can expand the clinical phenotype related to the pathogenic variants of the COMP gene, as it shows that multiple OCD can also be present in COMP-related MED as well as in COL9A2-related MED.
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页数:10
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