Aseptic Necrosis of the Femoral Head
Aseptic necrosis of the femoral head means that part of the ball of the hip joint (the femoral head) dies because the blood supply stops, but there is no infection. “Aseptic” means “not due to ...
Degenerative Bones, Joints, and Spine Care (A – Z)
Avascular Necrosis (AVN) of the Femoral Head
Avascular necrosis (AVN) of the femoral head is a disease where part of the head of the thigh bone (femur) slowly dies because it does not get enough blood. The femoral head is the round “ball” at ...
Ischemic Necrosis of the Hip Joint
Ischemic necrosis of the hip joint means that a part of the head of the thigh bone (femoral head) dies because it does not get enough blood. The femoral head is the “ball” of the ball-and-socket hip ...
Left Femoral Head Osteonecrosis
Left femoral head osteonecrosis means that a small part of the ball of your left hip joint (the “femoral head”) has died because it did not get enough blood. The word “osteo” means bone and ...
Right Femoral Head Osteonecrosis
Right femoral head osteonecrosis means that a part of the “ball” at the top of the right thigh bone (the right femoral head) has died because it did not get enough blood. “Osteo” means bone and ...
Avascular Necrosis of the Femoral Head
Avascular necrosis of the femoral head means that part of the ball of the hip joint (the femoral head) dies because it does not get enough blood for a long time. “Avascular” means “without blood ...
Spinal Arteriovenous Metameric Syndrome (SAMS)
Spinal arteriovenous metameric syndrome (SAMS) is a very rare birth-time (congenital) blood vessel problem that affects one body segment of the spine and the tissues linked to that segment. In this ...
Asphyxiating Thoracic Dysplasia
Asphyxiating thoracic dysplasia (often called Jeune syndrome) is a rare genetic bone growth problem. It mainly affects the chest, ribs, spine, and the long bones of the arms and legs. In this ...
Rhizomelic Shortness with Clavicular Defect
Rhizomelic shortness with clavicular defect is an extremely rare genetic bone condition. It mainly affects the upper parts of the arms and the collarbones (clavicles). “Rhizomelic” means the bones ...
Chondroectodermal Dysplasia with Night Blindness
Chondroectodermal dysplasia with night blindness is a very rare genetic disease. It mainly affects how bones grow and how “ectodermal” tissues, such as nails and teeth, develop. At the same time, it ...
Chondrodysplasia with Disorder of Sex Development Syndrome
Chondrodysplasia with disorder of sex development syndrome is a very rare genetic condition that affects both the bones and the way the sex organs and sex chromosomes work together. In most reported ...
Chondrodysplasia-Pseudohermaphroditism Syndrome
Chondrodysplasia-pseudohermaphroditism syndrome is an extremely rare genetic condition that affects bone growth, brain development, and sex development at the same time. Doctors now often call it ...
Chondrodysplasia With Joint Dislocations, gPAPP Type
Chondrodysplasia with joint dislocations, gPAPP type, is a very rare genetic bone disease. Babies are usually born with short arms and legs, loose joints, and joints that are already out of place, ...
Chondrodysplasia Punctata, Toriello Type
Chondrodysplasia punctata, Toriello type is a very rare inherited bone growth disorder. It mainly affects the ends of the bones near the joints, where small spots of extra calcium (called ...
Chondrodysplasia Punctata, Tibial-Metacarpal Type
Chondrodysplasia punctata, tibial-metacarpal type, is a very rare birth bone condition. It mainly affects the small bones of the hands and the shin bone (tibia). The short bones have tiny spots of ...
Chondrodysplasia Punctata 2, X-Linked Dominant
Chondrodysplasia punctata 2, X-linked dominant (often written as CDPX2) is a rare genetic disease that mainly affects bones, skin, and eyes. In this condition, small spots of extra calcium appear at ...
Chondrodysplasia Punctata with Stippled Epiphyses
Chondrodysplasia punctata with stippled epiphyses is a name for a group of rare bone growth disorders, not just one single disease. In all of them, small dot-like calcium spots appear inside the ...
Chondrodysplasia Calcificans Congenita
Chondrodysplasia calcificans congenita is a very rare genetic bone growth disorder that belongs to the broader group called chondrodysplasia punctata. In this condition, tiny spots of extra calcium ...
Chondrodysplasia Punctata (CDP)
Chondrodysplasia punctata (CDP) is a group of very rare bone growth disorders that start before birth. In this condition, areas of cartilage (the soft “model” of future bone) develop tiny spots of ...
Chondrodysplasia Calcificans Metaphysealis
Chondrodysplasia calcificans metaphysealis is a very rare genetic bone disease. It belongs to a group of bone growth problems called metaphyseal chondrodysplasias. In this disease, the ends of the ...
