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Radiology
Metabolic Bone Disease
Built from Fundamentals of Diagnostic Radiology
What’s inside
5 sections · 75 slides
Overview
- Metabolic bone disease overview
Diminished bone density
Osteoporosis, disuse osteoporosis, osteomalacia and rickets
- Osteoporosis versus osteomalacia
- The film cannot tell them apart
- Primary versus secondary osteoporosis
- Cortical thinning on radiographs
- Normal metacarpal cortical width
- Osteoporotic metacarpal cortical narrowing
- DXA measures bone mineral
- Managing osteoporosis
- Disuse osteoporosis
- How disuse thins bone
- Disuse osteoporosis of the proximal femur
- Aggressive osteoporosis mimics a tumor
- Aggressive osteoporosis mimicking a permeative process
- Solid versus riddled cortex
- True versus pseudopermeative process (schematic)
- True permeative differential
- Myeloma as a true permeative process
- Pseudopermeative causes
- Hemangioma causing a pseudopermeative pattern
- Radiation change as a pseudopermeative pattern
- Differential diagnosis of pseudopermeative pattern
- Osteomalacia and Looser fractures
- Looser fractures in osteomalacia
- Rickets in children
- Rickets with frayed physes and bowing
Parathyroid disorders
Hyperparathyroidism, hypoparathyroidism and the pseudohypoparathyroid look-alikes
- Hyperparathyroidism basics
- Two forms of hyperparathyroidism
- Subperiosteal resorption
- Subperiosteal resorption in hyperparathyroidism
- Sacroiliac changes in hyperparathyroidism
- Other HPT findings
- Rugger jersey spine in hyperparathyroidism
- Brown tumors in hyperparathyroidism
- Imaging in metabolic bone disease
- Hypoparathyroidism
- Pseudohypoparathyroidism
- Brachydactyly in pseudohypoparathyroidism
- Hypoparathyroidism family
Pituitary and thyroid effects
Pituitary hyperfunction, thyroid hyperfunction and thyroid hypofunction
- Pituitary hyperfunction and bone growth
- Gigantism versus acromegaly
- Acromegaly on the skeleton
- Spade tufts in acromegaly
- Thyroid hyperfunction
- Thyroid acropachy periostitis
- Thyroid hypofunction
Diffuse osteosclerosis (dense bones)
Renal osteodystrophy through fluorosis — a short, high-yield differential
- Osteosclerosis overview
- Differential diagnosis of diffuse bony sclerosis
- “
- Differential of diffuse osteosclerosis (first five)
- Differential of diffuse osteosclerosis (last five)
- Renal osteodystrophy
- Sickle cell disease
- Fish vertebrae in sickle cell disease
- Myelofibrosis
- Myelofibrosis with splenomegaly
- Osteopetrosis
- Diffuse sclerosis in osteopetrosis
- Sandwich vertebrae in osteopetrosis
- Pyknodysostosis
- Pointed sclerotic tufts in pyknodysostosis
- Metastatic carcinoma
- Mastocytosis
- Mastocytosis bone density and bowel folds
- Paget's disease
- Paget's disease of the L3 vertebra
- Paget's disease of the pelvis and femur
- Paget's three phases
- Paget's disease phases
- Paget's disease of the tibia showing all three phases
- Athletes
- Fluorosis
- Summary
- Suggested readings
- Brant and Helms' Fundamentals of Diagnostic Radiology