Osteoid osteoma is a benign bone tumor that when located on the base of the coracoids process of the scapula is very rare and diagnosis and treatment is often delayed because of its rarity. Almost any bone can be involved, but half of cases involve the femur or tibia. The radiologic features of osteoid osteoma are well known, but these tumors may present with unusual features and be easily misd...

A 6-year-old boy was referred by his general practitioner to our hospital for further investigation of chronic hindfoot pain. An MRI scan was performed. Sagittal IR images revealed bone marrow edema in the anterosuperior portion of the talus (‘talar neck’) with adjacent soft tissue edema (Fig. A). Axial T1 SE depicted a rounded structure with peripheral hypo-intensity within this region of bone...

Although there are many reports of osteoid os teoma in the literature, we were able to find only one case in which a bone scan was performed (1). The scan showed no definite lesion. McAfee has ad vised us that he has performed imaging studies on two proven instances of osteoid osteoma, both dem onstrating markedly increased uptake, but he is Un able to cite a specific reference in the literatur...

We present a case of a 53-year-old woman with recurrent intra-articular osteoid osteoma of the hip 6 months after initial treatment with percutaneous radiofrequency ablation. En bloc surgical excision of the osteoid osteoma and prophylactic internal fixation for impending stress fracture was performed. The patient is pain free, has returned to normal function and there is no sign of recurrence ...

We present a case of an intra-articular osteoid osteoma in the knee that was mistaken for a painful fabella syndrome after unsuccessful knee arthroscopy for the treatment of postero-lateral knee pain. In this case both the initial clinical presentation and the imaging proved to be deceiving. The diagnosis of intra-articular osteoid osteoma was considered only once typical clinical features appe...

Osteoid osteoma is a common benign osteogenic bone neoplasm characterized histologically by increased osteoid tissue formation with an intracortical nidus surrounded by cortical thickening and vascular fibrous stroma and sclerosis. The clinical presentation classically includes severe nocturnal pain that is improved with nonsteroidal anti-inflammatory drugs. Younger men (second and third decade...

osteoid osteomata are rarely found in the distal phalanges of the hand. the usual presenting features are chronic pain, nail enlargement and increase in size of the terminal part of the digit. diagnosis is difficult but surgical excision is effective for treating the patients’pain. we reported this tumor in distal phalanx of the middle finger.

BACKGROUND Osteoid osteoma accounts for approximately 10% of all benign bone tumors. The most common sites of osteoid osteoma are the subcortical shaft and metaphyses of long bones, but any other skeletal bone site can be involved. The acetabulum is a rare site according to past reports. This site presents challenges to optimal management because it is anatomically difficult to approach, and be...