Prostatic stromal sarcoma

Prostatic stromal sarcoma, abbreviated PSS, is a very rare malignant tumour that arises from the stroma of the prostate.

General

• Very rare - case reports.

Microscopic

Features:

• Atypical spindle cells. (???)

DDx:

• Prostatic stromal tumour of uncertain malignant potential (STUMP).
• Other sarcomas.
• Carcinosarcoma of the prostate.
• Radiation changes.

Images

www:

• PSS (nature.com).
• PSS - phylloides-like (nature.com).

See also

• Prostate gland.