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Age: 15

Sex: Female

Indication: Fever, cough

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Case #27


Findings

  • No focal airspace disease, pleural effusion, or pneumothorax
  • Normal size and configuration of the cardiothymic silhouette
  • Permeative lesion in the proximal left humerus with adjacent periosteal reaction


Diagnosis

  • Osteosarcoma (corner finding)

Sample Report

No focal airspace disease, pleural effusion, or pneumothorax.

Normal size and configuration of the cardiothymic silhouette.

Permeative lesion in the proximal left humerus with adjacent periosteal reaction, concerning for an aggressive infection or neoplasm. Recommend dedicated humerus radiographs for further evaluation.


Discussion

  • This is a challenging corner finding that turned out to be osteosarcoma


Images

Red arrows: aggressive appearing lesion in the proximal left humerus.

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