Etiology (PINCHFO)

• Psoriasis (see Psoriasis, [[Psoriasis]])
• Injury
  • Thermal Burns (see Burns, [[Burns]])
  • Frostbite (see Frostbite, [[Frostbite]])
• Neuropathy (see Peripheral Neuropathy, [[Peripheral Neuropathy]])
• Collagen Vascular Disease
  • Scleroderma (see Scleroderma, [[Scleroderma]])
• Hyperparathyroidism (see Hyperparathyroidism, [[Hyperparathyroidism]])
• Familial
• Other
  • Diabetes Mellitus (DM) (see Diabetes Mellitus, [[Diabetes Mellitus]])
  • Polyvinyl Chloride (PVC) Exposure (se Polyvinyl Chloride, [[Polyvinyl Chloride]])
  • Progeria
  • Sarcoidosis (see Sarcoidosis, [[Sarcoidosis]])

Clinical Manifestations

Rheumatologic Manifestations

• Dissolution of Extremity of a Bone
  • Usually Involves Distal Phalanges of Hands/Feet

References

• xxx