Lymphangioma

Lymphangiomas are enlarged and dilated lymphatic vessels with a tendency to enlarge.

Lymphangioma simplex

 * small, circumscribed
 * hl. on the lip

Lymphangioma cavernosum

 * from lacunae of lymphatic vessels
 * circumscribed / diffuse
 * on the lip → macrocheilia, on the tongue → macroglossia
 * changes in the jaws (hypertrophy / pressure atrophy)

Lymphangioma cysticum

 * polycystic tumor in the submandibular region and neck
 * considerable size already at birth

Capillary form of lymphatic vessel involvement

 * gradual enlargement of lymphangiomas
 * residue of lymph in the caudal parts of the face
 * exclusively surgical treatment of lymphangiomas (not always successful)