Presentation
History withheld.
Patient Data
Age: 25 years
Gender: Female
From the case:
Osteosarcoma metastasis - incomplete border sign
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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.
From the case:
Osteosarcoma metastasis - incomplete border sign
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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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