The term lymphatic malformations include a heterogeneous group of vascular malformations of the lymphatic network involving the skin and the subcutaneous tissue. Microcystic lymphatic malformations represent the most frequent forms and are generally observed at birth. They appear as clusters of translucent and clear vesicles that may eventually become purplish or black and that mainly occur on extremities, trunk, axillae, and tongue. Dermatoscopy reveals a whitish or yellowish lacunar pattern; frequently, scattered reddish areas within the yellowish lacunae or only reddish lacunae, likely reflecting the presence of blood, may be observed.
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