A Rare Submandibular Space Foregut Duplication Cyst Mimicking a Lymphatic Malformation in a Child

1. Introduction A submandibular space (SMS) bronchopulmonary foregut cystic malformation (BPFCM) was mistaken for a lymphatic malformation (LM) and treated unsuccessfully with sclerotherapy. The purpose of this article is to describe the imaging features of this rare SMS BPFCM so that it can be differentiated from LMs and treated appropriately.