Probable peritumoral haemorrhage in metastatic melanoma: CT halo sign

Case contributed by Dr Charlie Chia-Tsong Hsu

Presentation

55 year old male with known metastatic melanoma.

Patient Data

Age: 55
Gender: Male

To be added

Case Discussion

The CT halo sign depicts peri-lesion ground-glass attenuation. A myriad of causes but specific to this case, the ground-glass attenuation is likely to reflect peritumor alveolar hemorrhage. Certain hypervascular lung metastases can manifest with the CT halo sign due to the fragility of neovascular tissue.1

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Case Information

rID: 19972
Case created: 26th Oct 2012
Last edited: 19th Dec 2015
System: Chest
Inclusion in quiz mode: Included

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