Abstract
Lipomas are common benign soft tissue neoplasm, but they seldom occur in head and neck regions compared to other sites. Fine needle aspiration cytology (FNAC) accompanied with Computed tomography (CT) scan and Magnetic Resonance Imaging (MRI) determines its diagnosis preoperatively. In symptomatic cases, surgery remains the treatment of choice but requires an experienced surgeon because of possible damage to the facial nerve and its branches. The authors have discussed a rare case of lipoma, involving the deep and superficial lobe of parotid of a 42-year-old female patient with emphasis on its characteristics, preoperative diagnostic methods and its surgery. This case report shows MRI’s to be potent diagnostic tool for Lipoma of the parotid, by means of which a surgical procedure could be planned while maintaining function and aesthetics.
Highlights
Lipoma is a benign soft tissue neoplasm of mesenchymal origin arising from regions where fat is usually present [1]
Latest improved imaging studies and evaluation procedures including computed tomography (CT), Magnetic Resonance Imaging (MRI) and fine-needle aspiration are quite helpful for diagnosis, assessment and aid in the management of lipomas [2]
Presence of adipose tissue in the parotid is well known, but the occurrence of lipoma in parotid is rare [1]. It is not considered as a differential diagnosis of parotid swellings [6]
Summary
Lipoma is a benign soft tissue neoplasm of mesenchymal origin arising from regions where fat is usually present [1]. Once the facial nerve was identified, the lipoma was removed by means of dissection from deep and superficial lobes of the parotid, wherein the superficial lobe was carefully preserved and replaced. This was performed to avoid Frey’s syndrome and maintain cosmesis in the parotid. Case report A 42-year-old female patient presented with a slowgrowing, painless swelling on the right side of the neck for the past 20 years. She sought for medical assistance and opinion earlier, she refrained from further treatment. She sought for consultation again due to increasing size of the tumour and mild facial weakness (Fig. 1)
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