Ethmoidal osteoid osteoma with orbital and intracranial extension – a case report

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Ethmoidal osteoid osteoma with orbital and intracranial extension – a case report

Authors
Publisher
BioMed Central
Source
PMC
Keywords
  • Case Report

Abstract

1472-6815-5-2.fm ral BMC Ear, Nose and Throat ss BioMed CentDisorders Open AcceCase report Ethmoidal osteoid osteoma with orbital and intracranial extension – a case report S Balaji Pai*†1, K Harish†2, MS Venkatesh†3, Udayshankar†3 and Deepthi Jermely†4 Address: 1Department of Neurosurgery, M.S. Ramaiah Medical College, Gokula, Bangalore 560054, India, 2Department of Surgical Oncology, M.S. Ramaiah Medical College, Bangalore, India, 3Department of Plastic Surgery, M.S. Ramaiah Medical College, Bangalore, India and 4Department of Pathology, M.S. Ramaiah Medical College, Bangalore, India Email: S Balaji Pai* - [email protected]; K Harish - [email protected]; MS Venkatesh - [email protected]; Udayshankar - [email protected]; Deepthi Jermely - [email protected] * Corresponding author †Equal contributors Abstract Background: Osteoid osteoma is a benign bone neoplasm which is seen in the long bones of appendicular skeleton. It is rarely seen in the cranium. Skull base osteoid osteoma is extremely rare and has been anecdotally reported. Case presentation: The authors report a case of a large osteoid osteoma of the ethmoid with intraorbital and intracranial extension in a 33 year old male patient. He presented with loss of vision in the left eye. The intra-cranial extension was excised through a single burr-hole fronto- orbitotomy. The ethmoid and orbital portions were approached and excised through a Weber- Ferguson incision and inferior orbitotomy. Radical excision of the tumor could thus be achieved through a craniofacial approach. Conclusion: Although benign and rare, skull base osteoid osteoma can present with neurological deficit due to its mass effect and involvement of vital structures. A multispeciality team approach is advisable in such cases if radical excision is to be achieved. A craniofacial approach made radical single stage excision of this multicompartmental osteoid osteoma possible with an uneventful postoperative period. Bac

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