CLINICAL IMAGAGINGAN ATLAS OF DIFFERENTIAL DAIGNOSISEISENBERG

1. 27Bone-within-a-Bone
Appearance

2. CLINICAL IMAGAGING
AN ATLAS OF DIFFERENTIAL DAIGNOSIS
EISENBERG
DR. Muhammad Bin Zulfiqar
PGR-FCPS III SIMS/SHL

3. • Fig B 27-1 Normal neonate. The arrowheads
point to one example of the bone-within-a-bone
appearance.

4. • Fig B 27-2 Osteopetrosis. A miniature inset is
seen in each lumbar vertebral body, giving it a
bone-within-a-bone appearance. There is also
sclerosis at the end plates.31

5. • Fig B 27-3 Thorotrast. Two examples of
persistence of radiographic densities of infantile
vertebrae in adult bones of patients who received
intravenous Thorotrast during early childhood.37

6. • Fig B 27-4 Transverse growth lines. Opaque
lines paralleling the superior and inferior
margins of the vertebral body (arrows) in a
child with severe chronic illness.