Heart

Valvular disease

Lambl excrescence



Topic Completed: 1 May 2007

Minor changes: 26 January 2021

Copyright: 2003-2021, PathologyOutlines.com, Inc.

PubMed Search: Lambl excrescence

Nat Pernick, M.D.
Page views in 2020: 1,169
Page views in 2021 to date: 967
Cite this page: Pernick N. Lambl excrescence. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/hearttumorlamblexcrescence.html. Accessed October 22nd, 2021.
Definition / general
  • Also called valvular strands
  • Common finding in elderly patients
  • Small filiform / papillary processes that are age-related; may be organized mural thrombi at site of minor endothelial damage
  • Associated with stroke, particularly among younger patients (Stroke 1997;28:2185)
  • Aortic/pulmonic valves: most common at nodules of Aranti, along lines of closure and free cuspal edges
  • Tricuspid/mitral valves: at site of valve closure on atrial surface
Clinical images

Contributed by Pallavi Khattar, M.D., Puneet Bedi, M.D. and John T. Fallon, M.D., Ph.D.

Papillary giant fibroelastoma of aortic valve

Microscopic (histologic) description
  • Connective tissue / fibrin covered by endothelium
Microscopic (histologic) images

Contributed by Pallavi Khattar, M.D., Puneet Bedi, M.D. and John T. Fallon, M.D., Ph.D.

H&E

CD34

Elastin stain

S100



AFIP images

Finger-like projection
extending from valve
surface without branching


Additional references
Back to top
Image 01 Image 02