RATIONALE Lumbar osteoid osteoma has a low incidence, which could easily lead to scoliosis. PATIENT CONCERNS Scoliosis secondary to lumbar osteoid osteoma could be easily misdiagnosed when patients do not complain of obvious symptoms. DIAGNOSES We reported a case of a 9-year-old boy with back deformity that was firstly diagnosed with scoliosis at the local hospital. After prescribed with or...

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...

Extraskeletal Ewing's Sarcoma/Primitive Neuroectodermal Tumor presenting as a breast mass is uncommon. It may pose a diagnostic challenge. In order to increase awareness and identify potential diagnostic pitfalls, we report a 24 year-old woman extraosseous Extraskeletal Ewing's Sarcoma/Primitive Neuroectodermal Tumor arising in the breast.

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...

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...