Acrochordons on the neck; a remarkable clinical feature of tuberous sclerosis showing different patterns

Abstract

Sachs and Lipsker¹ recently published a few patients diagnosed with tuberous sclerosis (TS) presenting with multiple loosely arranged acrochordons (molluscum pendulum) located on the posterior neck showing a lace-like distribution and they proposed the term "molluscum pendulum necklace sign" for these typically located lesions. They detected acrochordons in five cases (17%) in a retrospectively analysed consecutive series of 29 TS patients, of whom four (three adults and one child) remarkably showed this typical pattern. Whether that sign might be a new pathognomonic sign of this genodermatosis was also discussed by the authours..¹

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