Primary neoplasms of the patella account for less than 1% of all primary bone tumors of the lower extremity, the most frequent of them being the giant cell tumor of bone, the chondroblastoma, and the aneurysmal bone cyst. Herein, we report the case of a 29-year-old woman with an active giant cell tumor of the patella (GCTP) with its clinical and radiological features and a brief review of the l...

Magnetic resonance imaging features of three benign cystic lumbosacral schwannomas, which showed multiple fluid-fluid levels, are described. One of the tumours showed bone destruction with fluid-fluid levels that closely mimicked an aneurysmal bone cyst. Pathological examination confirmed haemorrhage as the cause of fluid-fluid levels in the tumours. Though a rare finding, fluid-fluid levels wi...

Penetrating wounds of the foot are not uncommon. Many are caused by thorns or by fragments of wood that are retained in the foot, creating a foreign-body granuloma. The differential diagnosis for bony reaction to an unrecognised organic foreign body includes osteoid osteoma, chronic and acute osteomyelitis, tuberculosis granuloma, bone cyst, aneurysmal bone cyst, cortical fibrous defect, and ne...

Central hemangioma, a bone destructive lesion, is a benign tumor. Hemangiomas of jaws are rare entity and produces many different radiographic images. Radiographic differential diagnosis includes osteosarcoma, fibrous dysplasia, central giant cell granuloma, ameloblastoma, odontogenic myxoma, multiple myeloma, dentigerous cyst and aneurysmal bone cyst. Since it involves proliferation of blood v...

A 7-year-old boy presented to the neurosurgery clinic with neck pain. There was no history of surgery and trauma. Magnetic resonance imaging revealed cystic mass that contained internal septation and fluid-fluid levels at C3 level (Figs. 1 and 2). C3 vertebral body was destructed. Right vertebral artery was surrounded with cystic mass. The cystic mass was hyperintense on T2-weighted images and ...

An aneurysmal cyst of the petrosal bone presenting as hearing loss and recurrent bacterial meningitis is reported. None of the clinical or radiographic signs described previously were present. Because other diagnostic methods are not reliable, it is recommended that coronal thin section computed tomography be performed in every case of suspected malformation of the skull base and in the diagnos...