Above zygoma to 3.mandible (temporal fossa <‐> infratemporal fossa) importance: This is the first reported case of a plunging ranula. Bacteria gain entry to the space from :
Normal masticator space and different grades of masticator
Four muscles of mastication (masseter, medial and lateral pterygoids, and temporalis) ramus and posterior portion of the body of the mandible.
A temporalis muscle, b masseter muscle, c lateral pterygoid muscle, d medial ptaerygoid muscle, e superficial temporal space, f deep temporal space, g submasseteric space, h pterygomandibular space, i approximate location of infratemporal space
Masticator space is clinically important as a potential route of tumor progression and inflammation (6). The masticator space contains the mastication muscles, ramus of the mandible, and mandibular nerve. Because clinical assessment of lesions in this space may be difficult, ct and mr imaging is important for the characterisation and mapping of the pathology. Masticator space contents • mandible • ramus, posterior body, condyle, and temporomandibular joint • muscles of mastication • temporalis, masseter, medial pterygoid, and lateral pterygoid • cn v3 and branches • pterygoid venous plexus parapharyngeal space pathology • primary lesions • minor salivary gland tumor
This space is located anterolateral to the pps (fig.
Masseteric, superficial temporal, deep temporal, pterygomandibular. The contents of this space are mainly the mandibular nerve and its branches, internal maxillary artery and its branches, adipose tissue, and masticatory muscles (fig. Pushes posteromedially into pps masticator space The infratemporal fossa below the zygomatic arch and the temporal fossa above the arch.
Infections usually only occupy one of these compartments, but severe or long standing infections can spread to involve the entire masticator space.
It is commonly known that the contracture of medial and lateral pterygoid muscle in response to inflammation causes trismus and pain of tmj. The ms as the name implies consists of the masticator muscles (medial and lateral pterygoid, temporalis and masseter) and the posterior body and ramus of the mandible along with the mandibular nerve and the internal maxillary artery. Mandible, tmj, pterygoid venous plexus, nv3, masticator 1.muscles extent: Unlike the itf it is clearly a fascia enclosed space.
Ranulas develop from mucous extravasation secondary to sublingual gland duct obstruction or trauma.
The masticator space is bordered by the buccal space anteriorly, the parotid space posteriorly, and the parapharyngeal space posteromedially. Masticatory space there are 5 masticatory spaces. Muscle contracture or abscess formation in the masticator space tends to be recognized as a Plunging ranula usually dive into the submandibular space.
Figure 1 shows that the four mastication muscles are the medial and lateralpterygoids,masseter,andtemporalis[3,4].thelateral pterygoid muscle, the only muscle lying within the space
The four compartents of the right masticator space. Inferior alveolar artery, vein and nerve. Because clinical assessment of lesions in this space may be difficult, ct and mr imaging is important for the characterisation and mapping of the pathology. Posterior superior alveolar nerve of maxillary nerve
The masticator space contains the mastication muscles, posterior mandible, and mandibular nerve [3, 4].
The disposition of the lateral pterygoid (lpt) muscle in the masticator space obscur. Medial and lateral pterygoid muscles; The masticator space contains the mastication muscles, ramus of the mandible, and mandibular nerve. The masticator space could therefore be described as a potential space with four separate compartments.
Mandibular nerve and its branches (including lingual nerve) chorda tympani nerve;
According to harnsberger’s classification 1,. Perineural tumour spread odotogenic abscess rhandomyosarcoma displacement: Consists of 4 contiguous potential spaces bounded by the muscles of mastication: 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).
Plunging ranula with prestyloid parapharyngeal space, masticator space, and parotid gland extension.
The masticator space (ms), buccal space (bs), and infratemporal fossa (if) are discussed in this chapter as the sites of origin for mass lesions of the head and neck.
