osteoid osteoma is a benign bone tumor and accounts for 10% of benign tumors. almost any bones can be involved but half of cases involving femur or tibia. osteoid osteoma is a rare tumor of the scapula with only 18 reported cases in the literature. we presented a case of osteoid osteoma of the scapula in right shoulder in angle of coracoid and geloneid in a 34- year old woman. she had right rad...

benign renal cystic adenoma with out malignant features is a very rare entity. a 75 year old male with obstructive lower tract symptoms and vague flank pain was admitted and planned for nephrectomy of non functional kidney -due to long term nephrolithiasis- intra operative finding was a cystic hydronephrotic kidney filled by thick mucous secretions which turned out to be a cyst adenoma of kidne...

among the rare bone tumors, the osteoblastoma is a fascinating tumor. the rarity, the predisposition to occur in any bone and the diagnostic dilemma makes this infrequent tumor interesting. it is sporadically reported in the literature and what is rarer is its occurrence in the pelvis. the unusual location and inconclusive radiographic findings with diffused diagnostic evidences delays the mana...

Objective: Patella is a sesamoid bone which develops in the quadriceps tendon. It is an uncommon site for neoplasms. The most common primary tumors which involve patella are benign. These include chondroblastoma, giant cell tumor (GCT) and aneurysmal bone cyst. Malignant lesions are less common in patella. These encompass metastasis, osteosarcoma and hemangioendothelioma. The most common compla...

central cementifying fibroma is a bony tumor, which is believed to be derived from the cells of the periodontal ligament. central cemento‑ossifying fibroma behaves like, a benign bone neoplasm. this bone tumor consists of highly cellular, fibrous tissue that contains varying amounts of calcified tissue resembling bone, cementum, or both. central cemento‑ossifying fibromas of the mandible are co...

Phyllodes tumors are rare fibroepithelial neoplasms of the breast, classified as benign, borderline, or malignant based on histological features. Osseous metaplasia, characterized by presence bone formation within tumor, is an uncommon finding. This case report highlights rarity osseous metaplasia in a benign phyllodes tumor. A 23-year-old female presented with gradually enlarging lump left bre...

fibrous dysplasia of the bone (fdb) is a common, genetic, developmental disorder with a benign course. fdb can be seen anywhere throughout the skeleton. it is usually asymptomatic and found incidentally on imaging studies that are performed for other purposes. although whole body 18 f-flourodeoxyglucose pet/ct (fdg pet/ct) is widely used in tumor imaging, infections and benign pathologies like ...

A benign fibrous histiocytoma with primary site of origin in the parietal bone has not yet been reported in the literature. We report here a case concerning a 12-year-old girl with a 14-month history of an enlarging parietal bone mass. The tumor was excised after removal of the cortical bone and resection of the tumor surrounding the cortical bone erosion using pre-plasticity titanium repair. B...