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Occult osseous injuries may result from a direct blow to the bone by compressive forces of adjacent bones against one another or by traction forces during an avulsion injury. Lesions in the tibial plateau, hip, ankle, and wrist are often missed. In a tibial plateau fracture, any disruption of the posterior and anterior cortical rims of the ...
Osteolytic lesion at the bottom of the radius, diagnosed by a darker section that indicates a loss of bone density. An osteolytic lesion (from the Greek words for "bone" (ὀστέον), and "to unbind" (λύειν)) is a softened section of a patient's bone formed as a symptom of specific diseases, including breast cancer and multiple myeloma.
Typically, there are no symptoms unless there is a fracture. [2] It can occur as part of a syndrome such as when multiple non-ossifying fibromas occur in neurofibromatosis , or Jaffe–Campanacci syndrome in combination with cafe-au-lait spots , intellectual disabilities , hypogonadism , eye and cardiovascular abnormalities.
Loss of bone minerals means a decline in bone mass, thus bones will be weaker in some areas resulting in individuals to be at risk of minor or major falls that could be detrimental. It is known that exercise can allow for stronger bones in order to slow down bone loss in individuals as muscle mass can be built to support and reduce the risks of ...
Examples of periosteal reactive bone in selected specimens of Triceratops. A periosteal reaction can result from a large number of causes, including injury and chronic irritation due to a medical condition such as hypertrophic osteopathy, bone healing in response to fracture, chronic stress injuries, subperiosteal hematomas, osteomyelitis, and cancer of the bone.
Bizarre parosteal osteochondromatous proliferation (BPOP), also known as Nora's lesion, [4] is a type of non-cancerous bone tumor belonging to the group of cartilage tumors. [1] [2] [5] It is generally seen in the tubular bones of the hands and feet, [6] where it presents with a rapidly enlarging painless lump in a finger or toe.
The lesion begins as a localised area of infarction, usually without symptoms. Early identification of lesions by radiography is not possible, but over time areas of radiographic opacity develop in association with the damaged bone. Symptomatic lesions usually involve joint surfaces, and fracture where attempted healing
Shown is an osteochondroma surgically extracted from a ten-year-old patient. The bone is the cylindrical stalk at the bottom, about 1/2 inch long, the two diagonal growths are cartilage. This morphology is typical of a tibial bone spur. Osteochondromas are benign lesions and do not affect life expectancy. [13]