" /> Multicentric osteolysis, nodulosis, and arthropathy - CISMeF





Preferred Label : Multicentric osteolysis, nodulosis, and arthropathy;

Symbol : MONA;

CISMeF acronym : MONA;

Type : Phenotype, molecular basis known;

Alternative titles and symbols : Osteolysis, hereditary multicentric; Torg-winchester syndrome; Torg syndrome; Nodulosis-arthropathy-osteolysis syndrome; Nao syndrome; Al-aqeel sewairi syndrome;

Description : Zankl et al. (2007) defined what they considered to be a continuous clinical spectrum involving Torg syndrome, Winchester syndrome (277950), and NAO syndrome. Torg syndrome is characterized by the presence of multiple, painless, subcutaneous nodules and mild to moderate osteoporosis and osteolysis that is usually limited to the hands and feet. Radiographically, the osteolysis is accompanied by a characteristic widening of the metacarpal and metatarsal bones. Winchester syndrome presents with severe osteolysis in the hands and feet and generalized osteoporosis and bone thinning, similar to NAO, but subcutaneous nodules are characteristically absent. Various additional features including coarse face, corneal opacities, gum hypertrophy, and EKG changes have been reported. NAO syndrome, which has only been described in patients from Saudi Arabia, is generally more severe, with multiple prominent and painful subcutaneous nodules, massive osteolysis in the hands and feet, and generalized osteoporosis. Coarse face and body hirsutism are additional features.;

Inheritance : Autosomal recessive;

Molecular basis : Caused by mutation in the matrix metalloproteinase 2 gene (MMP2, 120360.0001);

Laboratory abnormalities : Elevated IL6; Elevated antinuclear antibody (ANA) (speckled pattern); Elevated IL1-beta;

Prefixed ID : #259600;

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03/05/2025


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