Korean J Gastroenterol.  2020 Sep;76(3):171-173. 10.4166/kjg.2020.76.3.171.

Mucosal Schwann Cell Hamartoma Presenting as Diffuse Fine Nodularities

Affiliations
  • 1Departments of Internal Medicine, Daejeon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Daejeon, Korea
  • 2Departments of Pathology, Daejeon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Daejeon, Korea


Figure

  • Fig. 1 Colonoscopy shows diffuse fine nodularities around the rectosigmoid junction (red circle).

  • Fig. 2 Microscopic findings. Hematoxylin and eosin (×200) staining shows the scattered proliferation of bland spindle cells in the lamina propria.

  • Fig. 3 Microscopic findings. Strong positive immunoreactivity for S-100 (×200).

  • Fig. 4 Microscopic findings. Focal positive immunoreactivity for CD56 (×200).

  • Fig. 5 Microscopic findings. Negativity for CD68 (×200).


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