Schwannoma is a benign nerve sheath neoplasm which mainly locates in the soft tissue but rarely originates in the bone. Intraosseous Schwannoma is prone to occur in the mandible and sacrum, while its occurrence is seldom seen in the calcaneus. Herein we report an 18-year-old man with a chief complaint of pain in the right heel. Radiographs revealed a huge, osteolytic, and expansile lesion with ...

Extra skeletal chondroma (ESC), also referred to as chondroma of soft parts, is a benign soft tissue tumor composed mainly of hyaline cartilage with no connection to bone or periosteum. It is a very rare, slow progressing, benign tumor with a predilection for hands and feet [1]. It can sometimes be misdiagnosed as a synovial cyst or a more serious condition such as synovial sarcoma. These tumor...

Aneurysmal bone cyst is a rare benign cystic bone lesion with an incidence of only 0.14 per 100,000 individuals and most commonly affects the metaphyses of long bones, spine, and pelvis. We present a very rare case of a 17-year-old boy with a rapidly expanding aneurysmal bone cyst arising from the first rib, resulting in neurogenic thoracic outlet syndrome secondary to its compression of the br...

SUMMARY Hemangioendotheliomas are rare vascular tumors that can affect bone. They account for 0.5% to 1.0% of malignant primary bone tumors. Only four cases have been reported involving the temporal bone. A 5-year-old child with grade II hemangioendothelioma of the right temporal bone is presented, and the radiologic findings on different imaging studies are described. The patient was treated w...

Hyperparathyroidism is a frequent endocrinopathy, often diagnosed at the stage of subclinical hypercalcemia by systematic calcium measurement and advent new parathyroid hormone techniques. Brown tumors represent late-onset, locally aggressive but potentially benign non-metastatic bone complication secondary to an abnormality metabolism within context hyperparathyroidism. It usually late complic...

Low back pain is one of the most common musculoskeletal symptoms, and it can be difficult to make an accurate diagnosis based on symptoms alone. Osteitis condensans ilii (OCI) benign etiologies low buttock mainly in young multiparous women. It diagnosed by radiological findings triangular sclerotic bone lesion, bilateral iliac sacroiliac joints. Spondyloarthritis a group chronic inflammatory rh...

•Imaging features of synovial chondromatosis the temporomandibular joint.•Lesion centre being located in superior joint space.•Popcorn and ring-and-arc calcification.•Self-limiting growth. AIMTo investigate imaging (TMJ), which is a rare benign arthropathy with cartilaginous proliferation.MATERIALS AND METHODSComputed tomography magnetic resonance examinations 34 patients histopathologically co...

RATIONALE Florid reactive periostitis is a rare, benign bone and chondrogenic lesion that develops most frequently in the phalanges of the hands. Although the definitive cause of florid reactive periostitis is unknown, the major inciting factor is generally considered to be trauma, including repetitive minor trauma. PATIENT CONCERNS We present a case of florid reactive periostitis affecting t...

We present a case of soft tissue chondroma arising from the soft tissues of the index finger of the right dominant hand. Although asymptomatic, the swelling gave rise to concern both for the patient and the hand surgeon. There was a relatively large osteoblastic lesion in relation to the volar aspect of the distal interphalangeal joint. The lesion was excised, the histological findings were tho...