• Faheem Ahmed, Hamza Hassan Mirza, Zahoor Ahmed Rana, and Noaman Ghauri.
• Department of Oral and Maxillofacial Surgery, Pakistan Institute of Medical Sciences, Islamabad, Pakistan.
• J Coll Physicians Surg Pak. 2022 Aug 1; 32 (8): S162-S164.

AbstractOsteoid osteoma is a rare benign bone lesion that is often confused with the osteoblastoma. The osteoid osteoma comprises of 3% of all the primary bone tumours usually found in the long bones and vertebrae with the facial skeleton being the most infrequent site. The lesion usually presents with the swelling and pain that resolves with non-steroidal anti-inflammatory drugs (NSAIDs). Here, we report a case of osteoid osteoma of retromolar trigone, the site which has not been reported in the literature, in a 50-year male patient with a complaint of hard swelling on retromolar trigone associated with the mild intermittent localised pain that aggravated at night and on mastication. Excision of the lesion was carried out with chisel and mallet under local anesthesia with uneventful recovery and no recurrence at the 6 months follow-up. Key Words: Benign, Osteoid osteoma, Retromolar trigone.

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