Biomedical subjects
G Krzok
Publications and source records attributed to G Krzok.
[Spontaneous and simultaneous rupture of the right patellar ligament and avulsion fracture of the left tibial tuberosity in osteomalacia].
Bilateral simultaneous and spontaneous patellar tendon ruptures are exceedingly rare. The diagnosis is established by clinical examination. Early diagnosis and surgical repair is essential to provide a satisfactory functional result. A case of patella tendon rupture on the right side and a fracture of the tuberositas tibiae on the other one after minor trauma in an 31-year-old woman with osteomalacia is presented. In case of spontaneous and bilateral tendon ruptures other diseases, especially generalized bone diseases, systemic lupus erythematodes, metabolic diseases and rheumatoid arthritis should be excluded.
Synovial oxygen partial pressure after experimental microtraumatic joint affection.
We have developed a method allowing the direct determination of the synovial oxygen partial pressure (pO2) in vivo by using puncture electrodes. The investigations were carried out on the knee joints of young adult rabbits. Immediately after a defined microtraumatization of the left knee joints, there was a decrease in the synovial pO2 down to an average of 72% of an initial value obtained from untreated control animals. But 42 and 84 days after loading, a significant rise in the synovial pO2 was detectable. The unloaded contralateral joints showed a slight consensual reaction. The dynamics of the synovial pO2 after the microtraumatization of joints is under discussion on the basis of results of micromorphological studies of the articular cartilage and the synovial membrane.
[Allogenic half-joint transplantations].
Reported in this paper are twelve cases of allogenic transplantation of half-joints and quarter-joints, following removal of locally delimited tumours. Three transplants were incorporated with functionally satisfactory result to three patients over a period of seven years. Infections and recurrence of tumours were the most frequent causes of failure of transplantations. These results are discussed together with possibilities of future allogenic half-joint transplantations.
[Gorham-Stout syndrome and diffuse skeletal hemangiomatosis].
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[Malignant lumbar chordoma--problems in diagnosis and therapy].
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PO2 measurements on loaded and unloaded rabbit knee joints in vivo.
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[Determination of intra-articular oxygen partial pressure of the stressed and unstressed rabbit knee joint with pO2 puncture electrodes].
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[Case reports of the Kümmel-Verneuil syndrome].
The significance of the complex clinical-radiological diagnosis is demonstrated in three cases of the Kümmel-Verneuil syndrome, the bone scintigraphy allows the demonstration and localisation of the bone process, but in respect to the differential diagnosis the results are unspecific. The CT allows an early and sure demonstration of the intravertebral vacuum phenomenon. In patients with nonspecific vertebral fractures the quantitative determination of the mineral content of the vertebral bones is indicated. The therapeutic decision is determined by the necessity of the biomechanical stabilisation.