CT and MR Imaging of the Buccal Space: Normal Anatomy and Abnormalities

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Abstract

The buccal space is an anatomical compartment lying anterior to the masticator space and lateral to the buccinator muscle. Since the major purpose of imaging is to define the likely anatomic origin and also the extent of a given lesion, thorough knowledge of the normal anatomy of the buccal space is essential, and this knowledge can aid the physician in narrowing down the list of possible maladies on the differential diagnosis. We illustrate here in this paper the important anatomic landmarks and typical pathologic conditions of the buccal space such as the developmental lesions and the neoplastic lesions. Knowledge of the expected pathologic conditions is useful for the radiologist when interpreting facial CT and MR images.

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Most cited references 13

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Current concepts in the classification, diagnosis and treatment of hemangiomas and vascular malformations of the head and neck.

B Folz, J. S. Werner, R Rochels … (2001)

There are many different classifications of vascular anomalies. As the correct classification of the vascular lesion has a direct influence on therapy it is difficult to decide which treatment should be considered as the treatment of choice. Based on an extensive review of the literature and personal experience of the treatment of more than 200 patients with hemangiomas or vascular malformations of the head and neck, a clinical classification is described that allows vascular lesions to be categorized in order to plan purposeful treatment. In general, hemangiomas represent the main group of vascular lesions in infancy and childhood. They are usually apparent a few weeks after birth and are characterized by an initially rapid growth of epithelial cells, followed by spontaneous involution. Hemangiomas should be differentiated from vascular malformations that are present at birth but may not be evident clinically. Spontaneous involution of vascular malformations has never been reported, whereas laser therapy can induce involution of hemangiomas at an early stage in a majority of cases. In certain situations steroids or surgical removal may seem to be the appropriate therapy of choice. In contrast, vascular malformations have to be treated according to their histopathology and location, as well as their hemodynamic features as shown radiographically with angiography. The accurate diagnosis of vascular anomalies is essential for further treatment, as shown by clinical experience at the University of Marburg.

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Peripheral T-cell lymphoma: spectrum of imaging findings with clinical and pathologic features.

Hyun Ju Lee, Jung-Gi Im, Jin Mo Goo … (2015)

Most radiologists are unfamiliar with peripheral T-cell lymphoma (PTCL) because PTCL represents a relatively small proportion of lymphomas and has a lower prevalence in Western countries. The World Health Organization classification of lymphoid neoplasms announced in 1999 resolved criticisms about lymphoma classification and aroused new interest in PTCL. The specific clinicopathologic entities of PTCL have particular primary locations and particular clinical and pathologic features. Radiologic images of patients with pathologically proved PTCL were retrospectively reviewed; clinical and pathologic data were also reviewed. PTCL involves various organs including the sinonasal cavity, airway, intestinal tract, skin, lymph nodes, liver, lung, and musculoskeletal system. The pattern of disease involvement in PTCL is not random. There is a correlation between specific clinicopathologic entities and the primary site of involvement, although the findings in the disseminated stage of disease do not allow differential diagnosis. It is significant that the radiologic features or locations of several entities are different from those of lymphoma with the B-cell phenotype. Radiologic demonstration of disease progression beyond the primary site is clinically important because systemic dissemination in most of the entities leads to a dramatic change in the prognosis. Copyright RSNA, 2003.

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Adenoid cystic carcinoma of the head and neck: evaluation with MR imaging and clinical-pathologic correlation in 27 patients.

C Micheau, M Juliéron, R Sigal … (1992)

Twenty-seven adenoid cystic carcinomas (ACCs) of the head and neck in 27 patients were evaluated in a retrospective study based on findings at magnetic resonance (MR) imaging and pathologic and clinical examination. Clinical follow-up was obtained over a mean period of 6.3 years (range of follow-up, 3 months to 17 years); all patients underwent one to seven MR examinations. On T2-weighted images, lesions with low signal intensity corresponded to highly cellular tumors (solid subtype) with a poor prognosis; lesions with high signal intensity corresponded to less cellular tumors (cribriform or tubular subtype) with a better prognosis. MR images were not specific in differentiation of ACCs from other types of tumors; this result underscores the need for biopsy to ensure correct diagnosis. Local, intracranial, osseous, and perineural invasion was depicted, but because of its lack of specificity, MR imaging caused overdiagnosis of tumor extension, particularly perineural spread and bone abnormalities.

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Author and article information

Journal

Journal ID (nlm-ta): Korean J Radiol

Journal ID (publisher-id): KJR

Title: Korean Journal of Radiology

Publisher: The Korean Radiological Society

ISSN (Print): 1229-6929

ISSN (Electronic): 2005-8330

Publication date (Print): Jan-Mar 2005

Publication date (Electronic): 31 March 2005

Volume: 6

Issue: 1

Pages: 22-30

Affiliations

Department of Radiology, Seoul National University College of Medicine, Institute of Radiation Medicine, SNUMRC, and Clinical Research Institute, Seoul National University Hospital, Seoul, Korea.

Author notes

Address reprint requests to: Moon Hee Han, MD, Department of Radiology, Seoul National University Hospital, 28 Yongon-dong, Chongno-gu, Seoul 110-744, Korea. Tel. (822) 760-2584, Fax. (822) 743-6385, hanmh@ 123456radcom.snu.ac.kr

Article

DOI: 10.3348/kjr.2005.6.1.22

PMC ID: 2684993

PubMed ID: 15782016

SO-VID: 54f84268-bfda-4a2f-8fd3-a1fc6e56cc52

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This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

CT and MR Imaging of the Buccal Space: Normal Anatomy and Abnormalities

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Most cited references 13

Current concepts in the classification, diagnosis and treatment of hemangiomas and vascular malformations of the head and neck.

Peripheral T-cell lymphoma: spectrum of imaging findings with clinical and pathologic features.

Adenoid cystic carcinoma of the head and neck: evaluation with MR imaging and clinical-pathologic correlation in 27 patients.

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