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This is a shortened version of the thirteenth chapter of the ICD-9: Diseases of the Musculoskeletal System and Connective Tissue.It covers ICD codes 710 to 739.The full chapter can be found on pages 395 to 415 of Volume 1, which contains all (sub)categories of the ICD-9.
Atypical pneumonia, also known as walking pneumonia, [1] is any type of pneumonia not caused by one of the pathogens most commonly associated with the disease. Its clinical presentation contrasts to that of "typical" pneumonia. A variety of microorganisms can cause it. When it develops independently from another disease, it is called primary ...
In some, the x-ray findings may correspond to symptoms of back stiffness with flexion/extension or with mild back pain. [2] Back pain or stiffness may be worse in the morning. [ 4 ] Rarely, large anterior cervical spine osteophytes may affect the esophagus or the larynx and cause pain , difficulty swallowing [ 5 ] [ 6 ] or even dyspnea . [ 7 ]
The facet joints (also zygapophysial joints, zygapophyseal, apophyseal, or Z-joints) are a set of synovial, plane joints between the articular processes of two adjacent vertebrae. There are two facet joints in each spinal motion segment and each facet joint is innervated by the recurrent meningeal nerves.
The degenerative process in osteoarthritis chiefly affects the vertebral bodies, the neural foramina and the facet joints (facet syndrome). If severe, it may cause pressure on the spinal cord or nerve roots with subsequent sensory or motor disturbances, such as pain, paresthesia, imbalance, and muscle weakness in the limbs.
Typically, the pain is worsened by stress on the facet joints, e.g. by lumbar extension and loading (the basis of the Kemp test) or lateral flexion but also by prolonged standing or walking. [citation needed] Pain associated with facet syndrome is often called "referred pain" because symptoms do not follow a specific nerve root pattern. This is ...
Necrotizing pneumonia (NP), also known as cavitary pneumonia or cavitatory necrosis, is a rare but severe complication of lung parenchymal infection. [ 5 ] [ 6 ] [ 7 ] In necrotizing pneumonia, there is a substantial liquefaction following death of the lung tissue, which may lead to gangrene formation in the lung.
Joint pain is a common but non-specific sign of joint disease. Signs will depend on the specific disease, and may even then vary. Common signs may include: [citation needed] Decreased range of motion; Stiffness; Effusion; Pneumarthrosis, air in a joint (which is also a common normal finding). Bone erosion; Systemic signs of arthritis such as ...