Osteosarcoma metastasis - incomplete border sign

Case contributed by Dr Huy Sruy


History withheld.

Patient Data

Age: 25 years
Gender: Female

The study shows nodular opacity superimposing 8th anterior right rib having the inner well-defined and outer ill-defined margin. That is the Incomplete border sign which suggests chest wall mass.

Right paratracheal opacity also noted.

The extra-pulmonary ossified mass at the postero-lateral arc of the 8th left rib.


Case Discussion

This patient is known to have metastatic osteosarcoma (primary from the hip). 

Incomplete border sign is conventional radiographic finding on the supine radiographs which is characterized by a well-defined in one side and an ill-defined in the other side.

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Case information

rID: 59799
Published: 4th May 2018
Last edited: 14th Aug 2019
System: Chest
Inclusion in quiz mode: Included

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