BACKGROUND An osteoid osteoma is a benign bone tumor that tends to be <1 cm in size. The tumor is characterized by night-time pain that may be relieved by aspirin or other non-steroidal anti-inflammatory drugs. Osteoid osteoma can be treated with various conservative and surgical methods, but these have some risks and difficulties. The purpose of the present study was to present an alternative ...

BACKGROUND Button osteoma presents as small circumscribed ivory-like lumps on the skull vault. Although not rare, its diagnosis can be challenging for dermatologists. OBJECTIVE To clarify the clinical characteristics of button osteoma by reviewing 10 cases. METHODS Ten patients diagnosed with button osteoma at the Department of Dermatology, Kyungpook National University Hospital, between Ja...

Introduction: Osteoma is a benign tumor rarely found in the paranasal sinuses.   Case Report: A 30-year-old female presented with an 8-month history of proptosis of the right eye that was progressing slowly. She was diagnosed with ethmoid osteoma and managed with collaborative surgery at the ophthalmology and otolaryngology departments. After surgery, the patient suffered visual loss that was m...

BACKGROUND The hand and wrist bones are infrequent sites for osteoid osteoma, and its diagnosis can be difficult. This paper reports 25 cases of osteoid osteoma in the hand and wrist. METHODS Records of the 25 patients who had pathological conditions of osteoid osteoma of the hand and wrist were reviewed and analyzed. RESULTS Twenty-five cases of osteoid osteoma of the hand and wrist were t...

Osteoma mostly begins from the compact iliac bone but can be occasionally observed in the maxillofacial region. In the maxillofacial region, osteoma most frequently invades the sinuses, particularly the frontal sinus. It rarely occurs in the mandible [3]. Various pathogenesis of osteoma have been proposed, including the developmental theory, the neoplastic theory, and the reactive theory [4]. M...

BACKGROUND Osteoid osteoma is a primary, benign bone tumour. The characteristic clinical symptom is nocturnal pain at the tumour site that decreases or resolves completely with salicylates and non-steroidal antiinflammatory drugs (NSAIDs). The typical radiological features include a radiolucent area with an osteosclerotic rim. An unusual location or absence of visible abnormalities on conventio...

PURPOSE To describe a case of choroidal osteoma with choroidal neovascularization (CNV) that was successfully treated with two intravitreal injections of bevacizumab (IVB). DESIGN AND METHODS Case report on a 12-year-old Japanese girl who presented with a sudden decrease in vision in her left eye. At the first visit, 2 days after the onset of her symptoms, her visual acuity (VA) in her left e...

Osteoma is an uncommon bone tumor in avian species and other animals. A 2-year-old male canary (Serinus canaria) with a history of an oval mass in the left wing for several months was examined. Radiographs showed a radio-opaque mass. Upon the bird's owner request, the canary was euthanatized and submitted for necropsy. The histopathologic examination revealed numerous trabeculae consisting of b...

Hands, especially lunatum, are involved very rarely with osteoid osteoma. This report presents an osteoid osteoma of the lunatum, which was previously misdiagnosed as Kienböck's disease and had undergone surgery. Magnetic resonance imaging may lead the clinician to misdiagnose because of the excessive bone edema around the carpus. The operation should be planned according to radiography and com...

Osteomas of the petrous temporal bone are rare and seldom symptomatic. This report describes an osteoma of the internal auditory canal, causing compression of the eighth nerve, leading to auditory and vestibular complaints. The symptoms were abolished by surgical decompression of the internal auditory canal and removal of the osteoma.