28 Articles
Ameloblastoma
Ameloblastoma It is an entirely epithelial tumor arising from the dental lamina, Hertwig sheath, the enamel organ, or the lining of dental follicles.Location...
By Dr. Pavan Kumar
Bone infarct
Bone infarctsBone infarct refers to ischemic death of the cellular elements of the bone and marrow. A considerable lack of uniformity exists in the use of terminology for bone infarct. At present, the term osteonec...
By Dr. Pavan Kumar
Modic changes
Modic changes are MRI signal intensity changes in vertebral body marrow adjacent to the endplates of degenerative discs. These changes were described by Michael T. Modic, MD, professor of radiology and neurolo...
By Dr. Pavan Kumar
Pigmented villonodular synovitis(PVNS)
PIGMENTED VILLONODULAR SYNOVITISJaffe, Lichtenstein and Sutro first described the disease process they termed pigmented villonodular synovitis in 1941.Pigmented villonodular synovitis (PVN...
By Dr. Pavan Kumar
Aneurysmal bone cyst.
An aneurysmal bone cyst is an expansile osteolytic lesion with a thin wall, containing blood-filled cystic cavities. The term aneurysmal is derived from its radiographic appearance.Pathophysiology...
By Dr. Pavan Kumar
Tear drop fracture
Flexion teardrop fractureA flexion teardrop fracture occurs when flexion of the spine, along with vertical axial compression, causes a fracture of the anteroinferior aspect of the vertebral body. This fragment is d...
By Dr. Pavan Kumar
Haemophilic Arthritis
Haemophilic Arthritis.The deficiency or absence of either of 2 clotting elements—factor VIII or factor IX—leads to the clinical conditions described as hemophilia A or hemophilia B, respectively. Hemophilia B w...
By Dr. Pavan Kumar
Blount's disease
Diagnosis - Bilateral Blounts disease ( Right > Left) with Varus deformity of the Right leg.Blount disease is an uncommon growth disorder characterized by disordered ossification of the medial asp...
By Dr. Pavan Kumar
Fibrous dysplasia - Article
Fibrous dysplasia is a skeletal developmental anomaly of the bone-forming mesenchyme that manifests as a defect in osteoblastic differentiation and maturation. Virtually any bone in the body can be affected. It is a nonhereditary...
By Dr. Pavan Kumar
Perthes disease
Perthes diseaseLegg-Calvé-Perthes disease (LCPD) is the name given to idiopathic osteonecrosis of the capital femoral epiphysis of the femoral head. The goal of treatment is to avoid severe de...
By Dr. Pavan Kumar
Scaphoid fracture
The scaphoid bone is the most commonly fractured carpal bone; this injury occurs most often in young men typically those aged 15-60 years. Scaphoid fractures are rare in young children and the elderly because of the relative weakness...
By Dr. Pavan Kumar
Diffuse idiopathic skeletal hyperostosis.
Diffuse idiopathic skeletal hyperostosis (DISH)Paraspinal ligaments undergo degeneration, secondary to attrition, and often ossify. This condition is broadly termed spinal enthesopathy. Physicians recognize 3 s...
By Dr. Pavan Kumar
Melorheostosis
MelorheostosisMelorheostosis is a rare form of mixed sclerosing bone dysplasia that was first described by Leri and Joanny.Synonyms include Leri type of osteopetrosis , flowing hyperostosis....
By Dr. Pavan Kumar
Legg-Calve-Perthes Disease
Legg-Calvé-Perthes disease (LCPD) is a childhood hip disorder that results in infarction of the bony epiphysis of the femoral head. LCPD represents idiopathic avascular necrosis of the femoral head.It usually affects children aged...
By Dr. Pavan Kumar
Avascular Necrosis
Avascular necrosis (AVN), better known as osteonecrosis, of the femoral head, is "a disease that causes death of bone."It appears to be related to a disruption of the blood flow to the femoral head.Four basic mec...
By Dr. Pavan Kumar
Multiple myeloma
Pathophysiology: Multiple myeloma can cause a wide variety of problems. The proliferation of plasma cells may interfere with the normal production of blood cells, resulting in leukopenia, anemia, and thrombocytopenia. The cells may c...
By Dr. Pavan Kumar
Skeletal tuberculosis
Tuberculosis (TB) of extra-pulmonary tissues is most often a spread of infection via the blood stream from a primary lung focus. It sets up a chronic granulomatous infection in the bone and/orjoint.Aetiology/Pathogenesis...
By Dr. Pavan Kumar
Brodie's abscess- Chronic osteomyelitis
Subacute osteomyelitis is a distinct form of osteomyelitis, and Brodie abscess is one type of subacute osteomyelitis. Subacute osteomyelitis is difficult to diagnose because the characteristic signs and symptoms of the acute form of ...
By Dr. Pavan Kumar
Tom smith arthritis(septic arthritis of the hip joint)
Septic arthritis is inflammation of a synovial membrane with purulent effusion into the joint capsule, usually due to bacterial infection. This disease entity also is referred to in the literature as bacterial, suppurative, purulent, or infectious ar...
By Dr. Pavan Kumar
Klippel feil syndrome
KLIPPEL-FIEL SYNDROMEMobile atlantoaxial dislocation.Block vertebra at C2-C3 , segmentation anomalies in the upper thoracic spine.High riding scapula In 1912, Maurice Klip...
By Dr. Pavan Kumar
Ellis-van Creveld Syndrome
Ellis-van Crevald (EvC) syndrome, also called Chondroectodermal dysplasia, is a form of short-limbed dwarfism.Ellis-van Creveld (EvC) syndrome is a skeletal dysplasia with an incidence of approximately 1 out of 1,50,000 live births....
By Dr. Pavan Kumar
Fibrous dysplasia
Fibrous dysplasia.Fibrous dysplasia is a skeletal developmental anomaly of the bone-forming mesenchyme that manifests as a defect in osteoblastic differentiation and maturation.In fibrous dysplasia, the medullary bone is...
By Dr. Pavan Kumar
Aneurysmal bone cyst
Aneurysmal bone cyst of left lamina of T1 vertebra.An aneurysmal bone cyst is an expansile osteolytic lesion with a thin wall, containing blood-filled cystic cavities. The term aneurysmal is derived from its radiographic appearance....
By Dr. Pavan Kumar
Sickle cell dactylitis
Radiologic findingssmall osteolytic lesions in metacarpals, metatarsals. phalanges show periostitis.Clinical features of Dactylitis - dact...
By Dr. Pavan Kumar
Osteogenesis imperfecta
IMAGING Osseous fragility,blue sclera,otosclerosis,Dentinogenesis imperfectaPostnatal x-ray: Obtain skull, chest, lon...
By Dr. Pavan Kumar
partial ACL tear
SAG PDFS and COR PDFS images showing high grade partial tear of ACL (Yellow arrows) with bone contusions involving lateral femoral and tibial condyles (Red arrows)....
By Dr. Pavan Kumar
Complete ACL tear
Figures 1 and 2. SAG T2W and SAG PDFS images showing complete ACL tear (Red arrows).case courtesy- Dr Anurag B....
By Dr. Pavan Kumar
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