Familial cutaneous collagenoma
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SymptomsMultiple flesh-colored nodules located on the trunk and upper arms
ComplicationsNone, although in some cases health complications have been reported as accompanying the disorder
Usual onsetAdolescence
| Familial cutaneous collagenoma | |
|---|---|
 | |
| Specialty | Medical genetics |
| Symptoms | Multiple flesh-colored nodules located on the trunk and upper arms |
| Complications | None, although in some cases health complications have been reported as accompanying the disorder |
| Usual onset | Adolescence |
| Causes | Unknown, but there is a genetic basis |
| Prevention | None |
| Prognosis | good |
| Frequency | uncommon |
| Deaths | - |
Familial cutaneous collagenoma is an autosomal dominant genetic disorder characterized by the presence of multiple symmetric nodules on the trunk and upper arms in multiple members of the same family. The nodules are flesh-colored, asymptomatic, and they start appearing during adolescent years.[1][2] It has been described in 10 families worldwide.[3]
These nodules are caused by an overgrowth of collagen fibers with an accompanying decreased number of elastic fibers.[4][5]
In some cases, this condition is associated with anomalies in other parts of the body.[6]