ABSTRACT
Lymphatic malformations (LMs) constitute one subset of a
larger group of so-called vascular malformations which may
affect any segment of the vascular tree including arterial,
venous, capillary, and lymphatic vessels. All vascular
malformations can be considered to be the result of errors
of embryonic development and can be categorized accord-
ing to the particular vascular component involved, as well
as by physiologic flow properties. Thus, there exist slow-
flow lesions (which include lymphatic, venous, and capil-
lary malformations), fast-flow anomalies (which contain an
arterial component) and complex, combined vascular
malformations.