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Granular cell tumour  

Granular cell tumour is a benign neoplasm arising from muscle and nerve cells. They appear as smooth, sessile, firm masses with normal-looking overlying mucosa. These tumours are seen in all age groups, but are more common in the 4^th and 5^th decades, with a higher female predilection. The etiology is unknown. The tongue is the most common site. Diagnosis is confirmed by histopathological examination. Surgical excision is the recommended treatment.

Differential diagnosis:

• Fibroma
• Lipoma
• Neurofibroma
• Schwannoma
• Dermoid cyst

Image	Caption
	Figure 1: Granular cell tumour. The typical presentation of granular cell tumour: a sessile swelling on the tongue covered by normal appearing epithelium.