Author: Douglas Gregerson, DC, DACBR

Spontaneous Osteonecrosis as An Etiology for Knee Pain

Posted by Douglas Gregerson, DC, DACBR | Sep 16, 2020 | Clinical, Orthopedic, Radiology | 0 |

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.

MRI Detection of Paraspinal Muscle Atrophy in Lower Back Pain

Posted by Douglas Gregerson, DC, DACBR | Jul 22, 2020 | Clinical, Radiology | 0 |

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.

Radiography of Viral or Secondary Bacterial Pneumonia

Posted by Douglas Gregerson, DC, DACBR | May 27, 2020 | Clinical, Radiology | 0 |

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.

Loose Body Formation Associated with Degenerative Joint Disease and as a Primary Disorder

Posted by Douglas Gregerson, DC, DACBR | Apr 1, 2020 | Clinical, Diagnosis, Radiology | 0 |

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.

Aggressive Lesion

Posted by Douglas Gregerson, DC, DACBR | Jan 22, 2020 | Clinical, Diagnosis, Examination and Consultation, Neurology, Practice Management, Radiology | 0 |

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.

Calcification of the Stylohyoid Ligaments and Thyroid Cartilage Mimicking Vertebral Artery Calcification

Posted by Douglas Gregerson, DC, DACBR | Dec 10, 2019 | Clinical, Radiology | 0 |

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.

Kienbock’s Disease as a Cause of Wrist Pain in Young Adults

Posted by Douglas Gregerson, DC, DACBR | Oct 2, 2019 | Clinical, Orthopedic | 0 |

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.