Male 13 years old with Li Fraumeni syndrome presents for cancer screening. SOFT TISSUES OF THE NECK: No significant abnormality noted.CHEST:LUNGS AND PLEURA: No pulmonary nodule or pleural effusion.MEDIASTINUM AND HILA: The heart size is normal and there is no pericardial effusion. No mediastinal or hilar lymphadenopathy.CHEST WALL: No axillary or internal mammary lymphadenopathy. The bone marrow signal intensity is within normal limits for the patient's age.ABDOMEN:LIVER, BILIARY TRACT: No focal liver lesion, biliary ductal dilation, or ascites.SPLEEN: Normal in size and appearance.PANCREAS: No focal pancreatic lesion or pancreatic ductal dilatation.ADRENAL GLANDS: The adrenal glands are normal in size and signal characteristics.KIDNEYS, URETERS: No renal lesions or hydronephrosis.RETROPERITONEUM, LYMPH NODES: No retroperitoneal lymphadenopathy.BOWEL, MESENTERY: No bowel obstruction.BONES, SOFT TISSUES: Bone marrow signal intensity is within normal limits for the patient's age.OTHER: No significant abnormality notedPELVIS:PROSTATE, SEMINAL VESICLES: No significant abnormality notedBLADDER: Mildly distended and normal in appearance.LYMPH NODES: No pelvic or inguinal lymphadenopathy.BOWEL, MESENTERY: No bowel obstruction.BONES, SOFT TISSUES: Bone marrow signal intensity is within normal limits for the patient's age.OTHER: There is a small amount of pelvic free fluid.FEMURS: Well-defined, lobular medullary lesions in the distal right femoral diaphysis extending over a cranial-caudal distance of 10.6 cm are mildly hyperintense on T1 relative to skeletal muscle and homogeneously hyperintense on T2-weighted images. They are unchanged in size and appearance and consistent with nonossifying fibromas which were more clearly evaluated on the femur radiographs.
Nonossifying fibromas in the right distal femur. No suspicious lesions.