Colon (tumor & nontumor)
Polyps
Inflammatory myoglandular polyp
Author: Jela Bandovic, M.D.
Topic Completed: 1 May 2012
Minor changes: 31 July 2020
Copyright: 003-2019, PathologyOutlines.com, Inc.
PubMed Search: Inflammatory myoglandular polyp colon
Table of Contents
Definition / general | Case reports | Clinical images | Gross description | Gross images | Microscopic (histologic) description | Microscopic (histologic) images | Differential diagnosis | Additional referencesCite this page: Bandovic J. Inflammatory myoglandular polyp. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/colontumorinflammatorymyoglandular.html. Accessed August 15th, 2020.
Definition / general
- Mean age 53 years
- Distal colon; rarely in ileum where it may cause intussusception
- Associated with mucous diarrhea, tenesmus and hematochezia
Case reports
- 80 year old man with inflammatory myoglandular polyp (Turk J Gastroenterol 2004;15:117)
- With rectal bleeding (Pathol Res Pract 2003;199:837)
Clinical images
Images hosted on other servers:
Two red sessile polyps
Gross description
- Solitary, pedunculated, red with smooth surface (Endoscopy 2003;35:363)
Gross images
Images hosted on other servers:
Spherical, sessile and lobulated polyp of the cecum
Microscopic (histologic) description
- Inflammatory granulation tissue in lamina propria, branching and dilated glands arising within proliferating smooth muscle (resembling Peutz-Jegher polyp)
Microscopic (histologic) images
Images hosted on other servers:
Inflammatory myoglandular polyp
Differential diagnosis
- Inflammatory polyp (no abundant smooth muscle)
- Peutz-Jeghers polyp (no prominent inflammation)
Additional references
