ovarian germ cell tumor carcinoma

Ovarian Germ Cell Tumor Carcinoma

Ovarian germ cell tumor carcinoma encompasses a rare but aggressive category of ovarian malignancies originating from primordial germ cells. These tumors primarily affect adolescents and…
osteosarcoma of bone

Osteosarcoma of Bone

Osteosarcoma is the most prevalent primary malignant bone tumor, primarily affecting children, adolescents, and young adults. Arising from primitive bone-forming mesenchymal cells, it is characterized…
osteoporosis

Osteoporosis

Osteoporosis is a progressive skeletal disorder characterized by decreased bone mass and deterioration of bone tissue, leading to enhanced bone fragility and an increased risk…
osteopenia of prematurity

Osteopenia of Prematurity

Osteopenia of prematurity (OOP), also known as metabolic bone disease of prematurity, is a condition marked by decreased bone mineral content and reduced bone strength…
osteomyelitis

Osteomyelitis

Osteomyelitis is a serious infection of the bone characterized by inflammation, necrosis, and new bone formation. It can result from hematogenous spread, direct inoculation from…
osteomalacia

Osteomalacia

Osteomalacia is a metabolic bone disease characterized by the softening of bones due to impaired bone mineralization. It predominantly occurs in adults and is commonly…
osteogenesis imperfecta

Osteogenesis Imperfecta

Osteogenesis imperfecta (OI), commonly referred to as brittle bone disease, is a rare, inherited connective tissue disorder characterized by extreme bone fragility, recurrent fractures, and…
osteoarthritis of the knee

Osteoarthritis of the Knee

Osteoarthritis (OA) of the knee is a degenerative joint disease characterized by the progressive breakdown of articular cartilage, subchondral bone remodeling, and inflammation of the…