While metastatic lesions are more common than primary malignant bone tumors, multiple myeloma is an osseous tumor that occurs with some frequency and should always be considered when faced with osteolytic lesions, particularly when multiple and in patients over the age of 50.
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An infrequent source of knee pain is spontaneous osteonecrosis of the knee (SONK). Osteonecrosis is often the result of pre-existing factor; however, when there is no underlying cause, it is presumed to be spontaneous.
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In the United States, lower back pain (LBP) is the second most common reason for a patient to consult a doctor, surpassed only by upper respiratory infections (1). LBP is also one of the leading causes of disability during one’s working years (2) (3). Within the past several years, there has been increasing attention paid to the concept of decreased paraspinal muscle mass/fatty replacement and its relation to the development and persistence of LBP.
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With the advent of the COVID 19 pandemic, it may be prudent to review the radiographic findings of viral or secondary bacterial pneumonia, which may be a complication of the infection. In this article, I will describe two cases in which pneumonia developed. To begin, I would like to review some of the recent Coronavirus data.
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Calcification/ossification of cartilaginous bodies within a synovial joint is not a rare phenomenon. This may occur secondarily as a result of degenerative joint disease or as a primary entity. Technically this is referred to as “synoviochondrometaplasia.” As the name implies, this represents a metaplastic process involving the synovium of the joint, in which cartilaginous loose bodies form within the joint.
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The following case occurred earlier this year. It is fairly representative of the benefit of imaging in the chiropractic setting and demonstrates the service that an astute Doctor of Chiropractic can provide.
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Calcification of the stylohyoid ligaments or thyroid cartilage may be frequently mistaken for calcific plaquing of the vertebral artery. In actuality, calcification of the vertebral arteries is extremely rare. The calcification of the stylohyoid ligaments and thyroid cartilage is commonly encountered and should not be mistaken for arterial calcification.
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A condition that may plague adults, particularly males in the 20-40 year age range, is avascular necrosis of the lunate. This has been termed Kienbock’s disease in reference to the doctor who first diagnosed the disease in 1910.
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