J Korean Radiol Soc.  2004 Feb;50(2):89-94. 10.3348/jkrs.2004.50.2.89.

Buccal Space Lesions: A New Classification Based on CT and MR Imaging Findings

• Kim HC
• Han MH
• Moon MH
• Choi SH
• Kim KH
• Park SW
• Jae HJ
• Choi JY
• Choi HJ
• Kim YJ
• Kim IO
• Chang KH

• KMID: 2103756
• DOI: http://doi.org/10.3348/jkrs.2004.50.2.89

Abstract

PURPOSE
To present a new classification based on the CT and MR imaging findings of buccal space lesions, and to propose guidelines for their radiologic differentiation.
MATERIALS AND METHODS
Sixty-two histopathologically confirmed or clinically diagnosed buccal space lesions were classified on the basis of their morphologic appearance and extension to adjacent space as either (1) a mass with a distinct margin, confined to the buccal space; (2) a mass with surrounding infiltration, confined to the buccal space; or (3) a multi-space occupying mass.
RESULTS
Type 1 included pleomorphic adenoma, ex-pleomorphic adenoma, carcinoma, B-cell lymphoma, acinic cell carcinoma, rhabdomyosarcoma, glomus tumor and ameloblastoma, and differentiation between malignant and benign neoplasms was not possible. Type 2 included adenoid cystic carcinoma, abscess, complicated dermoid cyst, and Kimura disease. T-cell lymphoma, neurofibroma, vascular malformation, inflammation, and foreign body granuloma pertained to type 3, and each type-3 entity showed different imaging characteristics.
CONCLUSION
This new classification based on CT and MR imaging characteristics may provide useful guidelines for predicting the differential diagnosis of buccal space lesions.

Keyword

Computed tomography (CT), Magnetic Resonance (MR), Buccal Space

MeSH Terms

Abscess
Adenoma
Adenoma, Pleomorphic
Ameloblastoma
Angiolymphoid Hyperplasia with Eosinophilia
Carcinoma, Acinar Cell
Carcinoma, Adenoid Cystic
Classification*
Dermoid Cyst
Diagnosis, Differential
Glomus Tumor
Granuloma, Foreign-Body
Inflammation
Lymphoma, B-Cell
Lymphoma, T-Cell
Magnetic Resonance Imaging*
Neurofibroma
Rhabdomyosarcoma
Vascular Malformations