PMC3364083_01
Ancient schwannoma. HE, x40.
cro-0005-0164-g01.jpg
PMC3364083_01_cro-0005-0164-g01.jpg
F1
Lymphoid cuffing over vessels and lymphoid infiltration in the tumor were also noted (fig. 1, fig. 2).
Schwannoma, S100p. x200.
cro-0005-0164-g03.jpg
PMC3364083_01_cro-0005-0164-g03.jpg
F3
The immunohistochemical study showed that the lesional cells were positive for S100p and negative for actin, desmin, CD34, CD117, and pankeratin (fig. 3).
Adenocarcinoma of the large intestine. HE, x40.
cro-0005-0164-g04.jpg
PMC3364083_01_cro-0005-0164-g04.jpg
F4
Histopathology of the sigmoid colon mass showed a moderately differentiated adenocarcinoma which infiltrated the entire thickness of the large bowel wall (fig. 4).