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M:F ratio: 2:1 [1] A unicameral bone cyst, also known as a simple bone cyst, is a cavity filled with a yellow-colored fluid. [1] [3] It is considered to be benign since it does not spread beyond the bone. [4] Unicameral bone cysts can be classified into two categories: active and latent. [4] An active cyst is adjacent to the epiphyseal plate ...
The simple bone cyst is a common, benign, fluid-containing lesion, most commonly found in the metaphysis of long bones, typically the proximal humerus or femur. Pathologic fractures are common, often with minor trauma. These cysts typically resolve after skeletal maturity and are not typically associated with bone tumors.
Medical condition Osteochondritis dissecans A large flap lesion in the femur head typical of late stage Osteochondritis dissecans. In this case, the lesion was caused by avascular necrosis of the bone just under the cartilage. Pronunciation / ˌ ɒ s t i. oʊ k ɒ n ˈ d r aɪ t ɪ s ˈ d ɪ s ɪ k æ n z / Specialty Orthopedic surgery Osteochondritis dissecans (OCD or OD) is a joint disorder ...
Aneurysmal bone cyst ( ABC) is a non-cancerous bone tumor composed of multiple varying sizes of spaces in a bone which are filled with blood. [ 1][ 4] The term is a misnomer, as the lesion is neither an aneurysm nor a cyst. [ 5] It generally presents with pain and swelling in the affected bone. [ 1]
A bone tumor is an abnormal growth of tissue in bone, traditionally classified as noncancerous (benign) or cancerous (malignant). [ 1][ 4] Cancerous bone tumors usually originate from a cancer in another part of the body such as from lung, breast, thyroid, kidney and prostate. [ 1] There may be a lump, pain, or neurological signs from pressure ...
A Baker's cyst, also known as a popliteal cyst, is a type of fluid collection behind the knee. [ 4] Often there are no symptoms. [ 2] If symptoms do occur these may include swelling and pain behind the knee, or knee stiffness. [ 1] If the cyst breaks open, pain may significantly increase with swelling of the calf. [ 1]
Orthotics. Frequency. 1/25,000 in boys and 1/100,000 in girls. Legg–Calvé–Perthes disease ( LCPD) is a childhood hip disorder initiated by a disruption of blood flow to the head of the femur. Due to the lack of blood flow, the bone dies ( osteonecrosis or avascular necrosis) and stops growing. Over time, healing occurs by new blood vessels ...
Intramedullary rod. An intramedullary rod, also known as an intramedullary nail (IM nail) or inter-locking nail or Küntscher nail (without proximal or distal fixation), is a metal rod forced into the medullary cavity of a bone. IM nails have long been used to treat fractures of long bones of the body.