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Case Reports
. 2014 Oct 13:2014:bcr2014205643.
doi: 10.1136/bcr-2014-205643.

Caecal schwannoma: a rare cause of per rectal bleeding in a 72-year-old man

Richard A Dickson-Lowe  1 , Christopher L James  2 , Charles M H Bailey  3 , Yasser Abdulaal  4
Affiliations
Case Reports

Caecal schwannoma: a rare cause of per rectal bleeding in a 72-year-old man

Richard A Dickson-Lowe et al. BMJ Case Rep. .

Abstract

The presence of per rectal (PR) bleeding in elderly people usually alerts us to the possibility of colonic malignancy, particularly if a concomitant altered bowel habit is present, without a history of the symptom. We present a case where the cause of PR bleeding turned out to be a caecal schwannoma. Caecal schwannoma is a rare tumour of the gastrointestinal tract of mesenchymal origin and diagnosis prior to radical surgical resection is difficult. Endoscopic biopsy often fails to provide an adequate specimen and immunohistochemistry is essential to the diagnosis.

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Figures

Figure 1
Figure 1
Colonoscopy photo showing an ulcerated ‘mass’ in the caecum.
Figure 2
Figure 2
CT scan showing a tumour in the caecum.
Figure 3
Figure 3
Microscopic histology with low power magnification, showing the spindle cell tumour.
Figure 4
Figure 4
Microscopic histology with low power magnification showing spindle cells and Verocay bodies.
Figure 5
Figure 5
Microscopic histology with high power magnification showing Verocay bodies.
Figure 6
Figure 6
Microscopic histology showing S-100+immunoreaction.
See this image and copyright information in PMC

References

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