Chordomas are low-grade malignant tumors of bone that occur almost exclusively in the axial  skeleton. Chordomas are rare in children and adolescents and comprise <5% of all cases and the  site of development is at the skull base. These tumors are believed to behave more aggressively  than chordomas in adults and may have unusual morphology. We herein present a rare case of chordoma in a 20-yea...

Salivary  gland  tumors  accounts  for  less  than  1%  of  all  tumors.  Minor  salivary  gland  tumors (MSGTs) are uncommon and make up about 10% of all salivary gland neoplasms. The clinical and histopathological distribution of these tumors vary geographically. A case of a 38 yr old man with a minor salivary gland mass at chin region isreported here. The tumor invaded into the anterior ...

OBJECTIVE The present study was done to find out the frequency of malignant tumors of bone and to categorize the prevalence of various histological types of osseous malignancies with respect to age, sex and site of origin. SETTING This study included consecutive cases of malignant bone tumors, which were diagnosed in the department of pathology at the Aga Khan University Hospital, Karachi dur...

background: massive bone allograft is an option in cases of limb preservation and reconstruction after massive benign and malignant bone tumor resection. the purpose of this study was to analyze the outcome of these procedures at imam reza hospital, mashhad university of medical sciences. methods: in this study, 113 cases have been presented. eleven cases were excluded (patients has a traumatic...

Objective: The present study was done to find out the frequency of malignant tumors of bone and to categorize the prevelence of various histological types of osseous malignancies with respect to age, sex and site of origin. Setting: This study included consecutive cases of malignant bone tumors, which were diagnosed in the department of pathology at the Aga Khan University Hospital, Karachi dur...

Osteosarcoma is a relatively uncommon malignancy however, it is the most common form of primary malignant bone tumors in human. Diagnosis and prognosis of patients with osteosarcoma is limited to clinico-radiopathological parameters, whereas molecular markers of tumor aggression have been poorly identified. Survivin, an inhibitor of apoptosis (IAP), is unique for its expression in human tumors ...

Bone scan in diagnosis of infectious osteoarthritis  Bone scan with Technezium 99m is harmless methodoi evaluation of Skeletal lesions.It is safe 1n pedia­_ trics age group and it can be used in early diffe-rentiate osteomyelitis from cellulits sand also it may help in diagnosis of subsclinical  involvement of  eumatoid arthritis,benign and malignant bone  tumors stress fractures and periostit...

the aim of this study was to assess the value of 99mtc-hexakis-2-methoxyisobutylisonitrile (mibi) scintigraphy in patients with clinical and radiologic features of primary or metastatic musculoskeletal tumors. methods: the scintigraphic findings for 84 patients were compared with the surgical and histologic findings. each patient underwent three-phase bone scan with 99mtc-methylene diphosphonat...

malignant fibrous histiocytoma (mfh) is the most common soft tissue sarcoma of late adult life and may also arise as a primary tumor in bone. it is a rare condition that constitutes less than 1% of the malignant tumors of bone and commonly occurs in the mathaphysis of long bones of extremities such as the femur and tibia. the occurrence in the head and neck region is very rare. mfh of the jaws ...