Fibrous Dysplasia (FD) McCune-Albright Syndrome (MAS)
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patients who have been diagnosed with Mc-Cune Albright Syndrome (MAS) and are aged between 16 and 70.
Exclusion criteria
Exclusion criteria: - Mentally incapable - Hospitalized - Using anticoagulants - Coagulation disorder - Viral infection - Sudden health problems - All Café-au-Lait skin macules have been treated with laser therapy - Currently participating in another study parallel to this study - Allergies for components of local anaesthesia - Topical corticosteroids used less than two weeks prior to skin biopsies
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The primary outcome of this study is the identification of the GNAS gene mutation in epidermal and/or dermal cells from hyperpigmented skin (*Café region*), non-hyperpigmented skin (*Lait region*) and from birthmarks, all donated by FD/MAS patients. | — |
Secondary
| Measure | Time frame |
|---|---|
| The secondary outcome consists of the osteogenic transdifferentiation potential and the functional characteristics of these osteogenic cells. | — |
Countries
Netherlands