Cardiac tumors - benign
Sugar tumor

Author: Nat Pernick, M.D. (see Authors page)

Revised: 20 March 2018, last major update November 2013

Copyright: (c) 2007-2018, PathologyOutlines.com, Inc.

PubMed Search: Sugar tumor [title]

Cite this page: Pernick, N. Sugar tumor. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/hearttumorsugartumor.html. Accessed July 21st, 2018.
Definition / general
  • Very rare in heart; more common in lung
  • Usually benign but may have malignant histology
Microscopic (histologic) description
  • Circumscribed
  • Organoid pattern of tumor cells with clear to eosinophilic cytoplasm, abundant glycogen in rich vasculature
  • No / rare mitotic figures, no necrosis
Positive stains
Negative stains
  • S100, keratin, neuroendocrine markers, muscle markers
Electron microscopy description
  • Glycogen, abundant mitochondria, premelanosomes
Differential diagnosis
Additional references