Small intestine & ampulla
Benign tumors / tumor-like conditions
Hyperplastic Pacinian corpuscle

Topic Completed: 1 August 2012

Minor changes: 31 July 2020

Copyright: 2003-2019,, Inc.

PubMed Search: Hyperplastic pacinian corpuscle

Hanni Gulwani, M.B.B.S.
Page views in 2019: 224
Page views in 2020 to date: 170
Cite this page: Gulwani H. Hyperplastic Pacinian corpuscle. website. Accessed August 6th, 2020.
Definition / general
  • Intraabdominal pacinian corpuscles up to 1 cm
Microscopic (histologic) description
  • Resembles cutaneous counterpart
  • Central blood vessel and nerve ending surrounded by 14 - 45 tortuous, concentric lamellae
Microscopic (histologic) images

Images hosted on other servers:

Digital lesion: (A) relationship between pacinian corpuscle (P) and nerves (arrows); these two structures
are interspersed with vascular and nervous twigs (double arrowheads) with surrounding loose connective
and fatty tissues; (B) normal structures of pacinian corpuscle are seen (outer capsule continuous with
perineurium, lamellated inner and outer core, nerve fibers terminating center of inner core)

Digital lesion following dog bite: (a) diffuse swelling;
(b) pacinian hyperplasia with inner nerve fiber surrounded
by concentric fibrous lamellae; (c) inner core cells are S100+;
(d) outer lamellae are vimentin+; (e) outer core cells are EMA+

Differential diagnosis
Back to top