5. Lucent Lesions: Looks, locations, age, size Flashcards
Long Lesion in a Long Bone
Fibrous Dysplasia
Ground Glass
Fibrous Dysplasia
Lytic lesion with a hazy matrix
Fibrous Dysplasia
Chondroid Matrix in the Proximal Humerus or Distal Femur
Enchondroma
Lucent Lesion in the Finger or Toe
Enchondroma
Epiphyseal Tibial Lesion in a Teenager
Chondroblastoma
Epiphyseal Equivalent Lesion
Chondroblastoma or Giant Cell Tumor
**technically GCTs grow into the Epiphysis
Lucent Lesion in the Greater Trochanter
Chondroblastoma
Lucent Lesion with a Fracture (Fallen Fragment) in the Humerus
Solitary Bone Cyst
Calcaneal Lesion with Central Calcification
Lipoma
Lucent Lesion in the Skull
Eosinophilic Granuloma
Vertebra Plana in a Kid
Eosinophilic Granuloma
Vertebra Plana in an Adult
Mets
Sequestrum / Nidus in the Tibia / Femur
Osteoid Osteoma
“Painful Scoliosis”
Osteoid Osteoma
Calcified Lesion in the Posterior Element of the C-Spine
Osteoblastoma
Multiple Sclerotic Lesions
Mets
Multiple Sclerotic Lesions Centered Around a Joint
Osteopoikolosis
Multiple Lucent Lesions (older than 40)
Mets, Myeloma, Metastatic Non-Hodgkin Lymphoma
Nidus < 2.0 cm
Osteoid Osteoma
Nidus > 2.0 cm
Osteoblastoma
Well-defined lytic lesion in the cortex of a long bone with a sclerotic rim < 3 cm
Fibrous cortical defect
Well-defined lytic lesion in the cortex of a long bone with a sclerotic rim > 3 cm
Nonossifying fibroma
Chondral lesion in a long bone 1-2 cm
Probably an Enchondroma
Chondral lesion in a long bone > 4-5 cm
Increased risk o f low-grade chondrosarcoma
