Disuse osteopenia - pseudopermeative pattern
Longstanding immobilization due to scaphoid bone fracture about 4 month ago.
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Multiple localized small cortical holes superimposed over the marrow.
A pseudopermeative process in bone has multiple small cortical holes that are then superimposed over the marrow, giving a similar appearance to a permeative process. Most common pathologies that manifest with pseudopermeative appearance (and mimic permeative lesions) include: disuse (aggressive) osteopenia, hemangioma and radiation.
- Brant WE, Helms CA. Fundamentals of diagnostic radiology. Lippincott Williams & Wilkins. (2007) ISBN:0781765188. Read it at Google Books - Find it at Amazon