Linear atrophoderma of Moulin

Linear Atrophoderma of Moulin is a rare, idiopathic, acquired, linear dermatosis that was first described by Moulin et al. in 1992. It is characterized by hyperpigmented, atrophic, linear bands that follow the lines of Blaschko. The onset is usually in childhood or early adolescence. The pathogenesis of this condition is unknown.

Clinical Features

The clinical features of Linear Atrophoderma of Moulin include the following:

• Onset: The onset is usually in childhood or early adolescence.
• Lesions: The lesions are hyperpigmented, atrophic, linear bands that follow the lines of Blaschko.
• Distribution: The distribution of the lesions is usually unilateral and segmental. The trunk and limbs are the most commonly affected areas.
• Symptoms: The condition is usually asymptomatic.

Diagnosis

The diagnosis of Linear Atrophoderma of Moulin is primarily clinical, based on the characteristic appearance of the lesions and their distribution. Histopathological examination of the lesions shows a decrease in the amount of subcutaneous fat and dermal collagen, with no inflammation or changes in the overlying epidermis.

Treatment

There is no specific treatment for Linear Atrophoderma of Moulin. Management is primarily supportive, with the aim of improving the cosmetic appearance of the lesions. Options may include the use of topical corticosteroids, calcineurin inhibitors, and cosmetic camouflage.

Prognosis

The prognosis of Linear Atrophoderma of Moulin is generally good. The condition is not associated with any systemic involvement or malignancy. However, the cosmetic impact of the lesions can be significant.

See Also

• List of cutaneous conditions
• Lines of Blaschko

References

Linear atrophoderma of Moulin Resources
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