• and reactive, fibrous or vascular lesions including aneurysmal or unicameral bone cysts, fibrous dysplasia, osteomyelitis, Langherhans' cell histiocytosis, non-ossifying fibroma and bone hemangioma. (reviewofophthalmology.com)
  • These include chondroblastoma, giant cell tumor (GCT) and aneurysmal bone cyst. (jept.ir)
  • Additionally, GCG can morphologically closely resemble other giant cell-rich lesions, including non-ossifying fibroma (NOF), aneurysmal bone cyst (ABC), giant cell tumour of bone (GCTB), and chondroblastoma. (bvsalud.org)
  • An aneurysmal bone cyst is an idiopathic expansile lesion that usually develops before age 25 years. (msdmanuals.com)
  • Aneurysmal Bone Cyst (ABC) is a benign expansile cystic blood filled reactive lesion of the bone, most common in the first 2 decades of life. (jocr.co.in)
  • Aneurysmal Bone Cyst (ABC) is a common benign locally aggressive lesion. (jocr.co.in)
  • Aneurysmal bone cysts are benign but locally aggressive lesions. (medscape.com)
  • Aneurysmal bone cysts are relatively rare lesions, representing only 1% of bone tumors, and are most common in the femur, tibia, and vertebrae. (medscape.com)
  • An aneurysmal bone cyst is an expansile osteolytic lesion with a thin wall, containing blood-filled cystic cavities. (medscape.com)
  • Aneurysmal bone cysts may be primary or secondary bone lesions. (medscape.com)
  • A study of 49 cases of histopathologically confirmed secondary aneurysmal bone cysts found giant cell tumor and chondroblastoma to be the most frequent primary lesions. (medscape.com)
  • Imaging characteristics of secondary aneurysmal bone cysts were found to be similar to that of the primary lesion but to have a higher presence of fluid-fluid levels. (medscape.com)
  • Demonstration of a solitary lesion on bone scintigraphy helps distinguish an aneurysmal bone cyst from a brown tumor or a hemophilic pseudotumor, for example. (medscape.com)
  • On angiograms, aneurysmal bone cysts are hypovascular lesions with a hypervascular localized region. (medscape.com)
  • Hypervascular regions in aneurysmal bone cysts may affect the prognosis, because the number and size of the lesions are positively correlated with the likelihood of lesional recurrence after treatment. (medscape.com)
  • Aneurysmal bone cysts are benign lesions that may develop in distinct parts of the skeleton. (symptoma.com)
  • Benign cartilage lesions can be divided into those that differentiate towards fetal type cartilage (chondroblastoma and chondromyxoid fibroma) and those that differentiate towards mature hyaline type cartilage (osteochondroma, chondroma). (johnshopkins.edu)
  • Apart from few lesions such as enchondroma, osteochondroma, osteoid osteoma, simple bone cyst, fibrous dysplasia, or non-ossifying fibroma demonstrating pathognomonic appearance on radiographs and other imaging modalities, rest of the bone tumors need histopathological examination to ascertain type, aggressiveness, and histopathological grade the lesion. (mss-ijmsr.com)
  • This feature is contrary to that of other malignant lesions, such as osteosarcoma and chondrosarcoma, which have gross hypervascularity. (medscape.com)
  • The differential diagnosis includes simple bone cyst, ABC (primary or secondary), chondroblastoma, giant cell tumor (GCT), osteosarcoma, ossifying hematoma or pseudotumor of hemophilia . (symptoma.com)
  • For further diagnostics, another radiograph and a subsequent MRI of the left knee were performed showing an osteolytic lesion with a diameter of 1.5 cm of the patella with central necrosis (Figures 1 and 2 ). (hindawi.com)
  • A CT scan revealed a 2.0 × 1.1 × 1.0 cm osteolytic lesion of the patella associated with a destruction of the ventral corticalis (Figure 3 ). (hindawi.com)
  • Side-by-side CT coronal images which demonstrate an expansile soft-tissue and osteolytic lesion involving the right zygoma and orbital space. (reviewofophthalmology.com)
  • A CT of the orbits was performed and showed an expansile, moth-eaten and osteolytic lesion involving the right zygoma (See Figure 2) . (reviewofophthalmology.com)
  • BACKGROUND: Giant-cell tumor of bone (GCTB) is a locally aggressive primary benign tumor presenting as an expansile osteolytic lesion affecting the epiphysis of long bones. (koreamed.org)
  • The differential diagnosis also included infectious and neoplastic disorders such as cellulitis, primary bone lesions (benign or malignant), lymphoproliferative or vascular disorders, and secondary neoplasms including sinus-related lesions or distant metastases. (reviewofophthalmology.com)
  • Malignant lesions are less common in patella. (jept.ir)
  • In less than 1% of all solitary osteochondromas, malignant degeneration of the cartilage cap is usually heralded by new onset of growth, pain and rapid growth of the lesion. (faoj.org)
  • An aggressive appearing lesion should be considered malignant until proven otherwise and biopsy should be done in such lesions. (mss-ijmsr.com)
  • Typically, chondrosarcomas appear radiographically as ill-defined lytic lesions with internal chondroid matrix and bone destruction (Figure 1). (appliedradiology.com)
  • Specifically, this group have looked at chondrosarcoma, an expansile hypermetabolic mass lesion usually found in the. (entandaudiologynews.com)
  • Local recurrence in long-bone lesions is approximately 10% and is higher for chondroblastomas arising in flat bones, especially those lesions arising in the vicinity of the triradiate cartilage. (medscape.com)
  • Most authors have not reported any significant difference in recurrence rates for tumors, regardless of the age or sex of the patient, the size of the lesion, the amount of calcification or vascular invasion seen on histologic examination, the duration of follow-up, or the method of treatment. (medscape.com)
  • Diffuse lesions are reported to be associated with a higher recurrence rate. (medscape.com)
  • Postoperative follow up at 1 year shows good uptake of fibula with no recurrence of the lesion ( Fig. 3 ), no deformity at wrist with good range of wrist movements (Fig 4). (jocr.co.in)
  • 7 ] In chondroblastoma of the foot and ankle, recurrence is common, and outcomes are generally worse than in other locations in the skeleton. (faoj.org)
  • It develops as a lytic lesion in the epiphysis of long bones which might spread to the metaphysis. (bvsalud.org)
  • Chondroblastoma is a benign tumor of immature cartilage cells which primarily occurs in the epiphysis of long bones in the second decade of life with slight male preponderance. (faoj.org)
  • Chondroblastomas are rare, benign chondrogenic lesions that are most commonly found in the epiphysis of the proximal tibia and distal femur. (orthobullets.com)
  • Nora lesion is a reactive periostitis that mimics osteochondroma and is discussed with this group of lesions. (johnshopkins.edu)
  • A periosteal new bone shell forms around the expansile lesion and is often wider than the original bone. (msdmanuals.com)
  • About one out of five patients presents with ABC in their upper limbs and about the same share with such lesions affecting the axial skeleton, particularly spine and sacrum. (symptoma.com)
  • Cross-sectional imaging may be required when lesions are in unusual locations, such as the axial skeleton. (medscape.com)
  • Osteochondromas can present as solitary lesions, or as multiple lesions in the setting of hereditary multiple exostoses, an autosomal dominant disorder. (appliedradiology.com)
  • BACKGROUND AND OBJECTIVES: External auditory canal osteoma is an uncommon benign lesion and represents as unilateral solitary pedunculated mass. (koreamed.org)
  • The book details the pathologic and radiologic characteristics of all bone and joint diseases, including arthritis, metastatic bone disease, osteoporosis, trauma, osteomyelitis, developmental bone disorders , and tumor-like lesions. (symptoma.com)
  • Which one of the benign tumors and tumor-like lesions located in long bones needs prophylactic fixation during surgery? (jointdrs.org)
  • Erlemann R. Imaging And Differential Diagnosis Of Primary Bone Tumors And Tumor-Like Lesions Of The Spine. (ub.ac.id)
  • AP and lateral X Rays of the wrist showed expansile lytic lesion of distal ulna involving epiphysis with some metaphyseal extension( Fig. 1 ). (jocr.co.in)
  • Treatment was done by surgical excision of distal ulna upto about one cm. proximal to the lesion. (jocr.co.in)
  • distal radius Xray: Geographic lytic lesion, thinned & ballooned out cortex. (pdfslide.net)
  • 2. Peripheral Vascular Disease - macrovascular disease - unlike the normal "atherosclerotic" they get distal lesions below the knee. (orthonet.on.ca)
  • Treatment of the lesion should include ligation of the feeding vessels and complete excision. (medscape.com)
  • Treatment with surgical excision offers the best results, but corrective osteotomy and reoperation for recurrent lesion may also be required. (medscape.com)
  • They are tumor-like, vascular lesions composed of blood-filled channels frequently accompanied by multiple cystic lesions and aggressive bone destruction. (medscape.com)
  • With acquisition of these radiographic findings, a more complete and extensive bone-lesion differential diagnosis was drafted. (reviewofophthalmology.com)
  • Chondroblastoma in the foot most commonly occurs in subchondral areas of the talus and calcaneal apophysis. (faoj.org)
  • Bone lesions are commonly encountered in pediatric patients , with primary bone tumors representing the 6th most common neoplasm. (hospiceofqueenannes.com)
  • Masui f chondroblastoma a study of such changes is commonly heard. (elastizell.com)
  • Histopathology of specimen observed chondroblasts proliferation with areas of mature cartilage, and giant cells confirming intrasynovial chondroblastoma. (bvsalud.org)
  • The lesion was approached with a posteromedial incision and by making a cortical window in the medial cortex. (faoj.org)
  • 16. Puthoor DK, Puthezhath K. Management of giant cell tumor of bone: Computerized tomography based selection strategy and approaching the lesion through the site of cortical break. (jbstjournal.com)
  • The continuum of spreading depolarizations in acute cortical lesion development: Examining Leão's legacy. (unm.edu)
  • This cystic lesion usually occurs in the metaphyseal region of the long bones, but almost any bone may be affected. (msdmanuals.com)
  • IBM SPSS v23 was used for data analysis such as age, gender, site of lesion and side, and material used to fill the defect after curettage. (jbstjournal.com)
  • [ 1 ] Locally aggressive stage III benign tumors extend beyond natural borders and often require en bloc resection for cure. (medscape.com)
  • 13 Although considered benign, chondroblastoma usually requires surgical management. (appliedradiology.com)
  • The treatment of chondroblastoma in the epiphysis of the femoral head in skeletally immature individuals is challenging and often requires surgical hip dislocation. (bvsalud.org)
  • We present a unique method of percutaneous use of an expandable reamer (X-REAM, Wright Medical) to treat a chondroblastoma of the femoral head in a 9-year-old boy without requiring surgical hip dislocation. (bvsalud.org)
  • A percutaneous expandable reamer can be used to treat chondroblastoma of the femoral head while avoiding surgical hip dislocation. (bvsalud.org)
  • In 1931, Codman classified it as a chondromatous variant of giant cell tumors, when he described these lesions in the proximal humerus. (medscape.com)
  • A focal, well-defined, lesion in the upper end of the tibia with surrounding marrow oedema was observed and diagnostic arthroscopy was taken for management. (bvsalud.org)
  • However, radiation may be the treatment of choice in completely surgically inaccessible vertebral lesions that are compressing the spinal cord. (msdmanuals.com)
  • therefore, the long-term prognosis for untreated lesions involving the weightbearing surface of the joint, though unreported, is one of a progression toward pain and arthrosis. (medscape.com)
  • Radiologists and an orthopaedic surgeon interpreted the lesion as a chondroblastoma of the patella and a follow-up with MRI was planned within 3 months. (hindawi.com)
  • The accuracy of radiography is high, especially with lesions in the appendicular skeleton. (medscape.com)
  • Patient usually presents with mild to moderate pain, swelling, deformity, pathological fracture and pressure symptoms, depending upon the site and aggressiveness of the lesion. (jocr.co.in)
  • Sporadic giant cell granulomas (GCGs) of the jaws and cherubism-associated giant cell lesions share histopathological features and microscopic diagnosis alone can be challenging. (bvsalud.org)
  • [ 5 ] On examination of about 15 examples of GCTTS and PVNS, large areas of chondroid differentiation were noted that could not be distinguished from chondroblastoma of bone by either histologic or electron microscopic features. (medscape.com)
  • The researchers theorized that chondroblastoma of bone stems from an intraosseous proliferation of tendon sheath cells that have a predilection for chondroid formation. (medscape.com)
  • Melanotic neuroectodermal tumor of infancy: A rare pediatric head and neck lesion. (unm.edu)
  • [ 1 ] A decade later, Jaffe and Lichtenstein renamed the Codman tumor a benign chondroblastoma to emphasize the chondroblastic genesis of the lesion and to distinguish it from the classic giant cell tumor of bone . (medscape.com)
  • Epiphyseal lesions include chondroblastoma and giant-cell tumor. (wikipedia.org)
  • Additionally, we compared the DNA methylation profile of these lesions with those of other giant cell-rich mimics to investigate if the microscopic similarities extend to the epigenetic level. (bvsalud.org)
  • 2 ] A decade later, Jaffe and Lichtenstein renamed it as chondroblastoma and clearly separated it from giant cell tumor. (faoj.org)
  • Figure 1A and Figure 1B Radiograph of talus showing the lesion involving most of body and the medial cortex is thin compared to lateral cortex in lateral view. (faoj.org)