Subramanian Subramanian MD, Presenter: Nothing to Disclose

Saurabh Guleria MD, Abstract Co-Author: Nothing to Disclose

Mia S. Kelly BA, Abstract Co-Author: Nothing to Disclose

Hervey D. Segall MD, Abstract Co-Author: Nothing to Disclose

Mohit Maheshwari MD, Abstract Co-Author: Nothing to Disclose

Teresa Gross Kelly MD, Abstract Co-Author: Nothing to Disclose

1. Familiarize radiologist with normal anatomy and spectrum of lesions that can arise in submental space in pediatric patients. 2. Facilitate accurate diagnosis of submental space pathologies and thereby improve management of lesions in this area.

Submental space pathologies can be categorized as: (1) Congenital lesions: Dermoid /epidermoid cysts, vascular malformations, thyroglossal duct cysts, etc (2) Infectious/Inflammatory lesions: Abscess or inflammatory lymphadenopathy (3) Neoplasm: Lymphoma, hemangiomas, teratomas etc.  Reactive lymphadenopathy is the most common cause of submental swelling. Submental abcesses can develop secondarily to either extension of infection from lower incisor teeth or from an infected lymph node. Thyroglossal cysts are most often located posteriorly in submental space close to hyoid bone. Epidermoid cysts commonly show restricted diffusion while dermoid cysts and teratoma may show fat density and calcification. Vacular malformation usually involve multiple neck spaces. Ultrasonogram is the primary imaging modality for  initial evaluation of submental lesions. CT is useful in setting of trauma or acute submental swelling. MRI is useful to further characterize the lesion and  relationship of the lesion to mylohyoid muscle for presurgical planning evaluation (transoral or submental surgical approach).  

http://abstract.rsna.org/uploads/2014/14004885/14004885_mqfi.pdf

Subramanian, S, Guleria, S, Kelly, M, Segall, H, Maheshwari, M, Kelly, T, Imaging Pediatric Sub-mental Space Lesions.  Radiological Society of North America 2014 Scientific Assembly and Annual Meeting, - ,Chicago IL. http://archive.rsna.org/2014/14004885.html