Acro-osteolysis

Acro-osteolysis refers to resorption of the distal phalanx. The terminal tuft is most commonly affected but the shaft of the distal phalanx can also be affected in a few conditions. It is associated with a heterogeneous group of pathological entities and, some of which can be remembered by using the mnemonic PINCH FO.

Pathology

Multiple digits
Terminal tuft resorption
Midshaft resorption
Single digit 
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Article information

rID: 8610
Synonyms or Alternate Spellings:
  • Terminal tuft erosion
  • Terminal tuft resorption
  • Acroosteolysis
  • Distal phalanx resorption

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Cases and figures

  • Case 1: hyperparathyroidism
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  • Case 2: unknown
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  • Case 3: psoriatic arthritis
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  • Case 4: scleroderma
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  • Case 5: unknown
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  • Case 6: scleroderma
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  • Case 7: scleroderma
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  • Case 8: secondary to hyperparathyroidism
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