Definition Osteonecrosis (also known as bone necrosis, bone infarction) is an infarction of a whole bone or a part of a bone, which leads to the death of tissue (= necrosis). In principle, osteonecrosis can occur in any bone in the body (even in the big toe: Renander’s disease). However, there are some preferred localizations. … Osteonecrosis
Knee Osteonecrosis is also a typical disease for the knee, or the lower end of the thigh bone. If the knee is affected, the medical term is “Ahlbäck’s disease” (synonym: aseptic bone necrosis of the knee). The cause for the death of the bone substance is primarily a disturbance of the regular blood circulation of … Knee | Osteonecrosis
Pine The long-term intake of bisphosphonates can lead to the death of bone tissue in all bony structures. While this phenomenon is quite rare in the knee area, bisphosphonate-induced osteonecrosis in the jaw is more common. Furthermore, drugs from the steroid group are also suspected of provoking osteonecrosis of the jaw and knee. Patients suffering … Pine | Osteonecrosis
Therapy The therapy of choice for osteonecrosis depends on several factors. Sometimes it is sufficient to spare the affected part of the body for a while and not to burden it with weight, i.e. to treat it purely conservatively. Thanks to this resting period, spontaneous healing can often be achieved. In worse cases, however, only … Therapy | Osteonecrosis
Introduction Under the term lunatum malacia (composed of lunatum malacia), a layman can imagine little to nothing. If one has received the diagnosis oneself, one knows at least already that it must be a disease of the hand, because there it hurts. But what is this disease, what in the hand is affected and will … Lunatum malaria
Frequency distribution Male patients are more likely to be affected (four times more frequently than women), the age peak being between 20-40 years. Complaints It is sometimes difficult to distinguish lunatum malacia from tendosynovitis, especially because tendosynovitis is much more common than lunatum malacia. How can one be sure of this? In contrast to tendosynovitis, … Frequency distribution | Lunatum malaria
Classification Like many things in medicine, lunatum malaria is divided into different stages, and as the disease progresses the stage increases. The most common is the division according to Decoulx into four stages. In stage 1, changes in bone density can only be detected by MRI. In stage 2, the first damage to the bone … Classification | Lunatum malaria
Occupational Disease Lunatum malactia is recognized as an occupational disease for certain occupational groups that work with tools with “primarily low frequency”, such as pneumatic hammers or soil compactors, and have been active in the field for at least two years. However, this occupational disease does not apply to normal, hand-held chisels. In case of … Occupational Disease | Lunatum malaria