Ossifying Lipoma of C1-C2 in an Adolescent

BACKGROUNDOssifying lipomas, characterized by their independence of bony connection to the skeleton, are extremely rare benign neoplasms. They have primarily been described in adults older than 50 years of age and occur in the head and neck region. The etiology is unknown. Excision is the preferred...

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Bibliographic Details
Published in:	Journal of pediatric orthopaedics Vol. 31; no. 5; pp. e53 - e56
Main Authors:	Bohm, Kyle C, Birman, Michael V, Silva, Selina R, Lesperance, Marci M, Marentette, Lawrence J, Beyer, Gregory R, Caird, Michelle S, Vander Have, Kelly L, Farley, Frances A
Format:	Journal Article
Language:	English
Published:	United States Lippincott Williams & Wilkins, Inc 01-07-2011
Subjects:	Adolescent Cervical Vertebrae Diagnosis, Differential Female Follow-Up Studies Head and Neck Neoplasms - diagnosis Head and Neck Neoplasms - surgery Humans Lipoma - diagnosis Lipoma - surgery Magnetic Resonance Imaging Ossification, Heterotopic - diagnosis Ossification, Heterotopic - surgery Osteotomy - methods Tomography, X-Ray Computed
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Summary:	BACKGROUNDOssifying lipomas, characterized by their independence of bony connection to the skeleton, are extremely rare benign neoplasms. They have primarily been described in adults older than 50 years of age and occur in the head and neck region. The etiology is unknown. Excision is the preferred treatment. The objective of this study is to report the case of a rare ossifying lipoma immediately anterior to C1 to C2, requiring a transoral approach for excision. METHODSThe case of an adolescent with a retropharyngeal mass is described. RESULTSA 15-year-old female patient presented with an asymptomatic parapharyngeal mass detected on routine physical examination. Computed tomography and magnetic resonance imaging noted a calcified, left-sided, parapharyngeal mass, approximately 3×2×2 cm, anterior to C1 and C2, most consistent with a benign osseous lesion. A transoral approach was used to excise the mass. Histologic examination demonstrated an ossifying lipoma. Postoperative imaging confirmed complete excision. The postoperative course was unremarkable, and the patient has had no recurrence at 6-month follow-up. CONCLUSIONSThis case demonstrates that a transoral approach to a lesion anterior to C1 to C2 in an adolescent can be safe, complete, and effective. LEVEL OF EVIDENCECase Report, level 5.
Bibliography:	ObjectType-Case Study-2 SourceType-Scholarly Journals-1 ObjectType-Feature-4 content type line 23 ObjectType-Report-1 ObjectType-Article-3
ISSN:	0271-6798 1539-2570
DOI:	10.1097/BPO.0b013e31821f913c