Calcific Myonecrosis

There are three main complications of muscle tear cysts and myositis ossificans and, more rarely, calcific myonecrosis (Peetrons 2002). Intermuscular and intramuscular cysts may be encountered after muscle trauma as well-defined echo-free masses with posterior acoustic enhancement. These cysts have an elongated shape and represent the residue of a local hematoma. Their most common location is the calf (see Chapter 15). In selected cases, they may require percutaneous needle evacuation. Calcific myonecrosis is a space-occupying calcified mass that typically develops in the anterior compartment of the leg late after a closed lower extremity... 

Dhillon M, Davies AM, Benham J et al (2004) Calcific myonecrosis a report of ten new cases with an emphasis on MR imaging. Eur Radiol 14 1974-1979 Diaz GC, van Holsbeeck MT, Jacobson JA (1998) Longitudinal split of the peroneus longus and peroneus brevis tendons with disruption of the superior peroneal retinaculum. J Ultrasound Med 17 525-529... 

---