Blade of grass sign in Paget's disease

Case contributed by Dr Ivan Turkalj

Presentation

An elderly female complaining of leg pain. Serum alkaline phosphatase is markedly elevated.

Patient Data

Age: 76
Gender: Female

A well defined and wedge shaped lytic lesion in the right femoral diaphysis is seen, with no evidence of periosteal reaction and cortical disruption.

Case Discussion

Findings are consistent with osteolytic phase of Paget's disease. 

The blade of grass or the flame sign is a wedge- or V-shaped radiolucency typically located in diaphysis of long bones such as femur and tibia.

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Case information

rID: 51018
Case created: 1st Feb 2017
Last edited: 17th Sep 2017
Inclusion in quiz mode: Included

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