What is the initial diagnostic test for suspected osteomyelitis?

The initial diagnostic test for suspected osteomyelitis is an X-ray. X-rays are often the first imaging modality used to evaluate patients with suspected bone infections. They can help identify changes in the bone that may be associated with osteomyelitis, such as bone destruction, periosteal reaction, or other abnormalities. Although they are not highly sensitive, especially in the early stages of the infection, X-rays can provide a good starting point for diagnosis and help exclude other conditions.

If the X-ray results are inconclusive or if there is a need for further evaluation of the extent of the infection, other imaging methods may be utilized, such as MRI or bone scans, which have higher sensitivity for detecting early osteomyelitis. However, these modalities are typically reserved for further assessment after the initial X-ray examination.

In clinical practice, X-rays can provide valuable information quickly and are usually readily available, making them a practical choice as the initial diagnostic tool in situations where osteomyelitis is suspected.