Femoral neck angle | Femoral neck

Femoral neck angle The angle between the longitudinal axis of the femoral neck (also: collum femoris) and the longitudinal axis of the long part of the femur (also: diaphysis) is called the femoral neck angle. Alternatively, the term CCD angle (center-collum-diaphyseal angle) is used. This should ideally be 126° in healthy adults. If this is … Femoral neck angle | Femoral neck

Bone density

Definition The term bone density describes how much mineralized bone mass is present in a defined volume, i.e. the ratio of bone mass to bone volume. The measurement of bone density is particularly important for the diagnosis and monitoring of osteoporosis, but it can also increase or decrease in other diseases. The higher the bone … Bone density

Juvenile bone cyst

Definition A bone cyst is a fluid-filled cavity in the bone and is incorporated under tumor-like benign bone injuries. A distinction is also made between a simple (juvenile) and aneurysmatic bone cyst. As the name suggests, the clinical picture of a juvenile bone cyst occurs in children and adolescents and is located in the metaphysis. … Juvenile bone cyst

Imaging | Juvenile bone cyst

Imaging Standard imaging here includes x-rays in two planes. It shows a sharply defined lesion centered in the bone. A typical sign in X-rays is the “falling fragment sign”. In this case a collapsed fragment protrudes into the fluid-filled cavity. In addition, a CT or MRI can be performed to obtain even more precise information … Imaging | Juvenile bone cyst

Treatment | Juvenile bone cyst

Treatment Surgical therapy is not necessarily necessary, since a juvenile bone cyst can regress on its own. Conservative therapy includes limiting activity. Nevertheless, fractures can occur, which often heal on the thigh into an bow-leg or knock-knees. If there is no spontaneous regression, the cyst can be cleared out (perform a curettage) and then filled … Treatment | Juvenile bone cyst

Shoulder blade

Synonyms Medical: scapula shoulder blade, scapula, scapula Anatomy The shoulder blade (scapula) is a flat, triangular bone and the connection between the upper extremity and the trunk. The shoulder blade is divided at the back by a bony groin (Spina scapulae), which ends in a bony protrusion (acromion) at the front. Together with the clavicle, … Shoulder blade

Humerus

Synonyms Head of humerus, Tuberculum majus, Tuberculum minus, Epicondylus humeri radialis, Epicondylus humeri ulnaris, Fracture of humerus Medical: Humerus Anatomy The upper arm bone (humerus) is like all bones of the arm a tubular bone. Towards the shoulder joint, the humerus has a round head (caput humeri). This head of humerus is angled at approx. … Humerus

Iliac crest

Anatomy The ilium (os ilium) has several palpable bone points. One of these points is the iliac crest (syn. : iliac crest, or lat. : Crista iliaca) as the upper limit of the ilium. It ends in the anterior superior iliac spine at the front and in the posterior superior iliac spine at the back. … Iliac crest

Bone marrow puncture | Iliac crest

Bone marrow puncture A bone marrow puncture can be used for diagnostic (sample collection) as well as therapeutic (collection of stem cells for stem cell transplantation) purposes. A bone marrow puncture is indicated, for example, in cases of suspected anaemia, leukaemia or bone marrow metastases from cancer. The bone marrow collection is carried out after … Bone marrow puncture | Iliac crest

Ischium

Definition The ischium (Os ischii) is a flat bone of the human pelvis. It borders on the pubic bone (Os pubis) and the ilium (Os ilium) and forms together with these the so-called hip bone (Os coxae). Together with the sacrum, this bone closes the complete pelvic ring and thus forms the basis of the … Ischium