PMC2938633_01
Clinical photograph showing the lesion
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Within a period of 6 months, the swelling rapidly increased in size and extended superiorly up to the temporal fossa and inferiorly with a huge cervical mass and medially with a buccal and parapharyngeal extension [Figure 1a and b].
Magnetic resonance imaging scan showing a hyperintense mass on T1-weighted sequence and T2-weighted sequence in the right infratemporal fossa extending along the ramus of the mandible and infiltrating the parotid gland of the lesion
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Magnetic resonance imaging (MRI) showed a hyperintense mass on T1-weighted sequence and T2-weighted sequence in the right infratemporal fossa extending along the ramus of the mandible and infiltrating the parotid gland [Figure 2a and b].
Magnetic resonance angiogram showing stretching of the right external carotid artery around the mass with no significant vascularity
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It showed stretching of the right external carotid artery around the mass with no significant vascularity [Figure 3].
Computerized tomogram scan showed a lobulated hypodense mass in the right infratemporal region (HU values are -50- to - 75, indicative of fat) with solid component
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Computerized tomogram (CT) scan showed a lobulated hypodense mass in the right infratemporal region (HU values -50- to - 75, indicative of fat) with solid component [Figures 4 and 5].
Computerized tomogram scan showed a lobulated hypodense mass in the right infratemporal region (HU values are -50- to - 75, indicative of fat)with solid component
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Computerized tomogram (CT) scan showed a lobulated hypodense mass in the right infratemporal region (HU values -50- to - 75, indicative of fat) with solid component [Figures 4 and 5].
Surgical incision markings
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The operation was carried out via a pre-auricular incision with submandibular extension [Figure 6a and b].
Infratemporal mass before excision
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Thereafter, attention shifted to removal of the parotid gland, including its deep lobe, involved by the tumour [Figure 7].
Excised specimen
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Gross pathological examination revealed a circumscribed lobulated fatty mass measuring 11 cm x 8 cm [Figure 8].
Histopathology revealed mature fat cells and small lipoblasts of varying size and multiple foci of myxoid degeneration
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The lobules in the mass were well demarcated due to thick fibrous septae [Figure 9].