CTICasesPulmonary Kaposi Sarcoma
Imaging findings
CT chest in an AIDS patient shows nodular and flame-shaped thickening along the bronchovascular bundles and interlobular septa, associated with bilateral pleural effusions. Histology confirmed a spindle cell vascular tumor with HHV-8 positivity.
Key takeaways
Pulmonary Kaposi sarcoma classically presents with a bronchocentric, flame-shaped nodular pattern tracking along the lymphatic pathways of the bronchovascular bundles on CT, often accompanied by pleural effusions. Immunohistochemical staining for HHV-8 is diagnostic.
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