Clear cell sugar tumour of the lung

Clear cell sugar tumour of the lung is a very rare benign lung tumour.

General

• A PEComa.
• Benign.

Microscopic

Features:

• Sheets or trabeculae.
• Irregular epithelioid cells with:
  • Focally clear cytoplasm.

DDx:

• Clear cell tumours.

Images

• Clear cell sugar tumour of the lung (surgicalpathologyatlas.com).
• CCST (nih.gov).

IHC

• HMB-45 +ve (nuclear & cytoplasmic).

See also

• Lung tumours.