An unusual case of multiple lymphangiomas with lymph node involvement is de
scribed. A seven-month-old, spayed female golden retriever was presented wi
th a myriad of cystic masses in the inguinal and caudal mammary regions. Sh
e was diagnosed with congenital lymphangiomas (i.e., lymphatic hamartomas).
As in human lymphangiomas, lymphatic endothelial cells expressing factor V
III-related antigen and smooth muscle were present in this case. A literatu
re search did not identify similar characteristics in other reported canine
lymphangiomas, The dog was treated surgically and had a recurrence, Follow
ing a second surgical intervention, she is now disease-free.