What is the Arnold-Hilgartner classification of hemophilic arthropathy?

Updated: Sep 27, 2019
  • Author: Lars J Grimm, MD, MHS; Chief Editor: Felix S Chew, MD, MBA, MEd  more...
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Answer

Answer

The Arnold-Hilgartner classification of hemophilic arthropathy is described in the table below.

Table. Arnold-Hilgartner classification [19] (Open Table in a new window)

Stage

Findings

0

Normal joint

I

No skeletal abnormalities, soft-tissue swelling is present

II

Osteoporosis and overgrowth of the epiphysis, no cysts, no narrowing of the cartilage space

III

Early subchondral bone cysts, squaring of the patella, widened notch of the distal femur or humerus, preservation of the cartilage space

IV

Findings of stage III, but more advanced; narrowed cartilage space

V

Fibrous joint contracture, loss of the joint cartilage space, extensive enlargement of the epiphysis, substantial disorganization of the joint


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