case_images: PMC9713241_01
case_images: Preoperative MRI of right femur demonstrating large femoral ltyic mass. (A) Coronal view in T1 sequence (left). (B) Coronal view in T1 FAT-SAT sequence with algorithm (right).
case_images: fonc-12-991724-g001.jpg
case_images: PMC9713241_01_fonc-12-991724-g001.jpg
case_images: f1
case_images: An MRI demonstrated a large mass measuring 9.7 x 6.7 x 4.5 cm, centered in the right proximal femur with a large extracortical soft tissue component extending posteriorly that measured 4.3 x 3.4 cm ( Figures 1A, B ).
case_images: (A) Pre-treatment CT abdomen and pelvis demonstrating malignant pelvic lymph node involvement (top left). (B) Post-treatment CT abdomen and pelvis from January 2022 demonstrating resolution of pelvic lymphadenopathy (top right). (C) Pre-treatment CT chest demonstrating lung metastases (bottom left). (D) Post-treatment CT chest from January 2022 demonstrating regressed lung nodules (bottom right).
case_images: fonc-12-991724-g002.jpg
case_images: PMC9713241_01_fonc-12-991724-g002.jpg
case_images: f2
case_images: Staging workup with CT chest/abdomen/pelvis showed multiple lung nodules and a 4.3 x 2.3 cm right pelvic sidewall soft tissue mass suggestive of metastatic disease ( Figures 2A, C ).