Small bowel (small intestine)
Benign tumors and tumor-like conditions
Myxoma

Author: Hanni Gulwani, M.D. (see Authors page)

Revised: 20 February 2018, last major update August 2012

Copyright: (c) 2003-2018, PathologyOutlines.com, Inc.

PubMed Search: Myxoma small bowel

Cite this page: Gulwani, H. Myxoma. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/smallbowelmyxoma.html. Accessed July 18th, 2018.
Definition / general
  • Extremely rare in small intestine
  • May be part of Carney complex (familial myxoma syndrome), an autosomal dominant syndrome with 17q2 mutation and cardiac and cutaneous myxomas, lentigines, myxoid fibromas of the breast, pituitary adenomas, primary adrenocortical micronodular hyperplasia with Cushing syndrome, psammomatous melanotic schwannoma, testicular large cell calcifying Sertoli cell tumor (Medicine (Baltimore) 1985;64:270)
Case reports
Gross description
  • Intraluminal, pedunculated, firm round nodule with smooth and ulcerated mucosal surface, myxoid and gelatinous cut surface
Microscopic (histologic) description
  • Bland, stellate stromal cells and small, mature capillaries widely separated by myxoid material
  • Scattered lymphocytes and plasma cells
  • No mitotic activity, no atypia
Microscopic (histologic) images

Images hosted on other servers:

Various images

Positive stains