"T1 C+ (Gd): enhancement is often present"
"T1 C+ (Gd): usually none in mature lesions"
"Early features can be misleading because the peripheral calcification is not well seen, and oedema in the soft tissues may extend beyond the often inapparent calcific rim."
"Late features mimic bone 1,3:"
"myositis ossificans progressiva: a rare, inherited disorder characterised by fibrosis and ossification of muscles, tendons and ligaments at multiple sites that is disabling and ultimately fatal"
"Typically presents as a painful, tender, enlarging mass, which in 80% of cases is located in large muscles of the extremities, often following recognised local trauma, although a definite traumatic event is not always recalled 1,3. In the case of paraplegics, recognised episodes of trauma are often absent, and the disease occurs particularly around the knees and hips 2."
"There are three well-described histopathological stages 6:"