Fig. 5From: Malignant phosphaturic mesenchymal tumor-ossifying fibroma-like subtype: a case report and literature reviewLeft Ilium tumor. a The mass is 9 × 7 × 5 cm in size with the intact capsule. b The cut surface exhibited gray-brown-gray-white cysts, which contained gray and black blood clots with the rough inner wall, and the sac inner wall was rough. The sac wall thickness was about 0.1–1.0 cmBack to article page