Sandbox:DDx HEENT
- Bimodal age distribution
- Bilateral and multicentric
- Nonspecific appearance on CT
- Hypoattenuating regions of central necrosis
- Irregular enhancing solid component
- Tubular, cribriform, and solid growth pattern
- Uniform serous cells with pleomorphic nuclei and basophilic granular cytoplasms
- Increased mitotic activity and foci of necrosis
- Lymphoid stroma
- c-KIT mutation