Male / 39, Chief complaint : chest discomfort
Diagnosed with AIDS
- Bilateral and symmetric ill-defined nodules in a peribronchovascular distribution (flame-shaped lesions) usually exceeding 1cm in diameter.
- Peribronchovascular and interlobular septal thickening
- Alveolar hemorrhage
- GGA may be seen surrounding the nodules (“halo sign”)
The patient diagnosed as Kaposi sarcoma
Kaposi sarcoma is…
A low-grade vascular tumor
The most common tumor among AIDS patients (considered to be an AIDS-defining illness)
Multiple organs can be involved
Associated with Human herpes virus type 8 infection and other cofactors
Typically manifests as one of four variants
- Classic KS – chronic course
- Endemic (African) KS – chronic course
- Iatrogenic (organ transplant–related) KS – frequently disseminated or symptomatic
- Acquired immunodeficiency syndrome (AIDS)–related KS – frequently disseminated or symptomatic
Reference)
Radiographics. 2006 Jul-Aug;26(4):1169-85.
