Basit Salam, Maseeh Uz Zaman, Rashid Ahmed.
Hypertrophic Osteoarthropathy.
Pak J Radiol Jan ;12(4):20-1.

A 36 years old lady who was a diagnosed case of metastatic carcinoma breast presented with generalized bone pain. On the tibia/fibula and wrist images, extensive periosteal reaction can be identified along the diaphyses of the tibia, fibula, ulna, and radius. The bone reaction shows elevation of the periosteum with a wavy contour. I The bone scan shows diffuse increased uptake in the diaphyses and metaphyses along their cortical margins throughout the skeleton creating a `double stripe` or `parallel track sign` indicative of periostitis.

PakMediNet -Pakistan's largest Database of Pakistani Medical Journals - http://www.pakmedinet.com