Hypertrophic osteoarthopathy
From Radipedia
Primary - rare (aka Pachydermoperiostitis)
Secondary (95%)
- Due to lung disease, classically bronchogenic carcinoma
- Can be painful
Differential
- Thyroid Acropachy - history of thyroid ablation, painless
- Venous stasis
- Paget disease
- Caffey disease - < 6 months old
- Hypervitaminosis A
- Osseous metastasis
- Long term prostogladin use (for PDA in kids)
