Tehran University of Medical Sciences Acta Medica Iranica 0044-6025 52 4 2014 04 15 319 322 EN Khodamorad Jamshidi Department of Orthopaedic Surgery, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran. Dawood Jafari Department of Orthopaedic Surgery, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran. Mehdi Ramezan Shirazi Department of Pathology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran. Alireza Pahlevansabagh Department of Orthopaedic Surgery, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran. Tina Shoushtaryzadeh Department of Pathology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran. 2015 10 11 Intramuscular cavernous hemangiomas represent less than 1% of all hemangiomas. Typical presentation is a soft-tissue mass and/or pain without cutaneous changes. Whereas calcification of hemangiomas is common; ossification of these lesions is very rare. We describe a case of ossified intramuscular hemangioma of quadriceps presented with painless knee extension contracture and thigh mass. https://acta.tums.ac.ir/index.php/acta/article/view/4635 https://acta.tums.ac.ir/index.php/acta/article/download/4635/4387