Synonyms Bone necrosis, bone death, Ahlbäck’s disease, aseptic bone necrosis, articular mouse, dissectate, osteochondritis dissecans, osteonecrosis, OD, dissecting osteochondrosis, osteochondrosis Definition Osteochondrosis dissecans (OD) is a disease that occurs frequently during growth and young adulthood and affects the knee joint in approximately 85% of cases. In the course of this disease, bone death occurs close … Osteochondrosis dissecans
Pathology Osteochondrosis dissecans is divided into different stages. These stages are mainly used for diagnostic purposes and are proven by X-ray examinations. For example, if a patient expresses stress-related pain, the X-ray examination can determine whether osteochondrisos dissecans is in its early stages or whether the disease is already more advanced. A total of three … Pathology | Osteochondrosis dissecans
Exclusion diseases Exclusionary diseases: Exclusionary diseases include Meniscus injury Patellar Tip Syndrome Chondromatosis Tumors Rheumatoid arthritis Reactive joint inflammation Osteochondral fractures (bone-cartilage fractures) Ossification disorders “Growth pain”/overload pain Classification X-ray stages according to Rodegerdts et al (1979): Stage I: Slumbering stage (detection only possible in MRI) Stage II: Significant brightening Stage III: Demarcation of the … Exclusion diseases | Osteochondrosis dissecans
At the elbow Osteochondrosis dissecans of the elbow is probably caused by a circulatory disorder of a part of the elbow bone. Another hypothesis is that osteochondrosis dissecans of the elbow is caused by an overload reaction of the bone as a result of extreme and frequent arm movements (e.g. during throwing movements during sports). … At the elbow | Osteochondrosis dissecans
Diagnosis by imaging techniques Sonography (ultrasound) is an easily available and suitable method for detecting knee joint effusion. Depending on the position of a free joint body, this can also be detected. X-rays can detect advanced osteochondrosis dissecans. Standard a. p. (from the front) and lateral x-rays are usually sufficient. The tunnel image according to … Diagnosis by imaging techniques | Osteochondrosis dissecans
Complications The usual surgical complication possibilities apply: Infection, bone infection, wound healing disorder Nerve injuries Thrombosis Pulmonary Embolism RecurrenceFailure of the operation = new joint mouse, renewed loosening of the cartilage bone fragment Early Arthrosis Prognosis Osteochondrosis dissecans is a serious disease of the knee joint. If left untreated, osteochondrosis dissecans belongs to the prearthroses, … Complications | Osteochondrosis dissecans
Introduction Osteochondrosis dissecans is the name given to a disease of a joint in which bone tissue in the immediate vicinity of the cartilage of the joint surface is destroyed. As a result, dead bone and/or cartilage fragments can become detached and be freely movable in the joint (a so-called joint mouse). In principle, any … Osteochondrosis dissecans Ankle
Therapy The therapy of osteochondrosis dissecans at the talus depends on the stage of the disease in which the patient is located. Particularly in young patients, spontaneous healing rates of up to 50% can be found in the early stages. Otherwise, therapy in stages I and II (in which no cartilage or bone fragments have … Therapy | Osteochondrosis dissecans Ankle
Synonyms Patella luxation, patella dislocation, dislocation of the patella, patella dysplasia, cartilage damage behind the patella, cartilage flake, articular mouse, rupture medial retinaculum Definition In the typical patella dislocation, the patella jumps out of the intended slideway. This leads too often to injuries of ligaments, cartilage and bone. Epidemiology Women are more frequently affected by … Patellar luxation
Typical symptoms of patellar dislocation The symptoms of a patella dislocation (dislocation of the patella) are usually so typical that they allow the trained physician to diagnose the gaze. However, it must be remembered that very often, especially when the patella has slipped out of its position for the first time in an accident, it … Typical symptoms of patellar dislocation | Patellar luxation
Diagnosis If the patella is still luxated, the diagnosis can be made by sole observation. In addition, the knee joint effusion and the Giving way are groundbreaking for the diagnosis. The clinical examination is the so-called Apprehension Test. In this test, an attempt is made to slide the kneecap over the outer slide bearing in … Diagnosis | Patellar luxation
Tap the patellar luxation The treatment of a patellar dislocation usually begins with a conservative attempt before resorting to surgical measures, although in 50% of cases this can already lead to permanent success. Only if the therapy fails or the dislocation reoccurs will surgical therapy be used. The conservative therapy approach here consists of physiotherapy … Tap the patellar luxation | Patellar luxation
