masticator space

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Related to masticator space: parotid space

masticator space

a space subtended by the superficial layer of the deep cervical fascia that splits into lateral and medial slings at the inferior border of the mandible to enclose the masseter muscle, part of the temporalis muscle, and the medial and lateral pterygoid muscles before attaching to the zygomatic arch and base of the skull.

mas·ti·ca·tor space

(masti-kā-tŏr spās)

Area subtended by superficial layer of deep cervical fascia that splits into lateral and medial slings at inferior border of mandible to enclose the masseter muscle, part of the temporalis muscle, and medial and lateral pterygoid muscles.

References in periodicals archive ?

There is a general confusion regarding management of lesions involving the masticator space, according to AJCC staging such tumors are classified as T4b hence may or may not be operable.

Gingivobuccal cancer: an institutional experience of 100 patients

T4 is further divided into T4a for tumors extending into the deep soft tissue, cartilage, bone, or overlying skin, and T4b for extension of tumors into the central nervous system (brain, dura), skull base, lower cranial nerves (IX, X, XI, XII), prevertebral or masticator space, carotid artery, or mediastinal structures.

Data Set for the Reporting of Mucosal Melanomas of the Head and Neck: Explanations and Recommendations of the Guidelines From the International Collaboration on Cancer Reporting

The masticator space (MS) contains muscles of mastication (medial and lateral pterygoid, masseter, and temporalis), ramus of the mandible and the third division of the cranial nerve V (Figure 10A).

A simplified approach to the spaces of the suprahyoid neck

The CT scan revealed osteomyelitis of the right zygomatic arch and anterior wall of the maxillary sinus, with inflammatory changes in the masticator space (fig.

Tuberculous osteomyelitis of the zygoma

According to the seventh edition of the American Joint Committee on Cancer (AJCC) staging system in 2010, nasopharyngeal tumors with intracranial extension and/or involvement of cranial nerves, hypopharynx, or orbit or those with extension to the infratemporal fossa or masticator space are defined as stage T4 [12].

T4-locally advanced nasopharyngeal carcinoma: prognostic influence of cranial nerve involvement in different radiotherapy techniques

That is, the adjusted T4 category includes the following structures: LPM, masticator space beyond the lateral pterygoid, intracranial, cavernous, and PS structures.

A Study of 358 Cases of Locally Advanced Nasopharyngeal Carcinoma Receiving Intensity-Modulated Radiation Therapy: Improving the Seventh Edition of the American Joint Committee on Cancer T-Staging System

There was no infiltration of the masticator space or the overlying skin.

Giant solitary fibrous tumor of the parotid gland

T4b: very advanced disease: tumour involving brain, dura mater, skull base, cranial nerves (IX, X, XI, and XII), masticator space, carotid artery, prevertebral space, or the mediastinal structure.