We studied the anatomy of the patellofemoral joint in the axial plane on cryosections from a cadaver knee and on MR arthrotomograms from 30 patients. The cryosections revealed differences in the geometry and anatomy of the surface of the articular cartilage and corresponding subchondral osseous contours of the patellofemoral joint. On the MR arthrotomograms the surface geometry of the cartilage...

BACKGROUND The purposes of this study were to determine the prevalence of and the association between shoulder contracture and osseous deformity in a cohort of children with an obstetrical brachial plexus injury and to identify the risk factors for these complications. METHODS In a retrospective cohort study, all children with an obstetrical brachial plexus injury who had been born between Ja...

Osseous choristomas are rare benign lesions characterized by ectopic bone formation in the soft tissue of the head and neck region. Dermoscopy visualizes the morphological characteristics that are not observable by the naked eye, and may be used for the evaluation of calcification under the skin. The present study reports a case of an osseous choristoma arising in the tongue, and reveals the de...

BACKGROUND The purpose of this report is to present a rare case of co-occurrence of florid cemento-osseous dysplasia with simple bone cyst in a middle aged Asian woman. Most of the reported cases are isolated cases of simple bone cyst or florid cemento-osseous dysplasia, but co-occurrence of these two entities is extremely rare. METHODS The authors report a 41 year old female patient with co-...

Twofold magnification radiograms of hands and feet in 384 diabetic cases were reviewed to determine the correlation between clinical findings and osseous lesions, especially early changes. A small, well-demarcated, round radiolucent lesion (small lytic lesion) was the most frequent finding in 87.2% of the 384 patients. In particular, a small lytic lesion of less than I mm in diameter was encoun...

The fibro-osseous lesions represent a large group of disorders that have many common characteristics including clinical, radiographic and microscopic features. Although most are of unknown aetiology, some are believed to be neoplastic and others are related to metabolic imbalances. It is not unusual to see these lesions presenting with a range of radiographic appearances, causing considerable d...

There are three types of osseous dysplasia: periapical cemental dysplasia (PCD), focal cemento-osseous dysplasia (FCD) and florid osseous dysplasia (FOD). While PCD is often observed in mandibular anterior teeth, FCD mainly affects mandibular posterior teeth. FOD, on the other hand, commonly involves both jaws. FOD is a type of sclerosing disease that is characterised by intense opaque masses a...

Fibro-osseous lesions compose woven or immature bone formed by benign proliferation of spindle cells. Based on radiographic and histologic features, these lesions are grouped into many specifi c entities.[1] The overlapping histological and confusing nomenclature can be simplifi ed by their radiographic presentation. They are clearly defi ned by their pattern in plain radiograph or in computed ...

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...

Langerhans cells are dendritic that form the antigenic barrier of human body. They occur in nearly any tissue but most prevalent skin, submucosa bronchial tree, and other mucosae. Cell Histiocytosis (LCH) develops when these damage tissues which they reside through a combination inflammatory monoclonal stimulation. The pulmonary variant LCH involves lung parenchyma creates wide variety disturba...