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Plastoquinone (PQ) is a terpenoid-quinone (meroterpenoid) molecule involved in the electron transport chain in the light-dependent reactions of photosynthesis. The most common form of plastoquinone, known as PQ-A or PQ-9, is a 2,3-dimethyl-1,4-benzoquinone molecule with a side chain of nine isoprenyl units.
Blount disease is a growth disorder of the shin bone which causes the lower leg to angle inward, resembling a bowleg. It can present in boys under 4-years in both legs, or in adolescents usually on one side. Causes are thought to be genetic and environmental, like obesity, African-American lineage, and early walkers. [4]
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. [1]
Around 550 cases of primary bone cancer – a cancer that begins in the bones – are diagnosed in the UK each year. Skip to main content. News. 24/7 help. For premium support please call: ...
A bone sarcoma is a primary malignant bone tumour, a type of sarcoma that starts in the bones. [1] This is in contrast to most bone cancers that are secondary having developed as a metastasis from another cancer. Bone sarcomas are rare, and mostly affect the legs. The other type of sarcoma is a soft-tissue sarcoma.
Osteosarcoma is also the most common bone tumor in cats, although not as frequently encountered, and most typically affect the rear legs. The cancer is generally less aggressive in cats than in dogs, so amputation alone can lead to a significant survival time in many affected cats, though post-amputation chemotherapy is recommended when a high ...
Ewing sarcoma is a type of pediatric cancer [5] that forms in bone or soft tissue. [1] Symptoms may include swelling and pain at the site of the tumor, fever, and a bone fracture. [2] The most common areas where it begins are the legs, pelvis, and chest wall. [4] In about 25% of cases, the cancer has already spread to other parts of the body at ...
They account for less than 1% of all new cancer cases each year. [21] In 2023, about 14,300 new cases were diagnosed in the United States. [21] Soft-tissue sarcomas are more commonly found in older patients (>50 years old), although in children and adolescents under age 20, certain histologies are common (rhabdomyosarcoma, synovial sarcoma). [13]