Causes: How does calcific tendonitis develop?
The exact cause of this condition remains mostly unknown, although thyroid gland dysfunction, metabolic diseases (e.g. diabetes) and genetic predisposition have been proposed to play a role in increasing the risk of being affected.
The clinical picture may vary from patient to patient, depending upon which phase the deposit is in, but pain is certainly the hallmark of this condition. Such pain can be at times quite severe, to the point it will interfere with sleep and daily activities. A feeling of “catching” in the shoulder may also be present, therefore mimicking a condition of “shoulder impingement”, which can overlap calcific tendonitis in several ways. For this reason, it is essential to gain an accurate diagnosis of the condition so it can be treated appropriately.