A Rare Case of Ruptured Tailgut Cyst Leading to Carcinomatosis

Figure 1

Hematoxylin and eosin (H&E) stain. Histology demonstrates fibrous tissue with cholesterol clefts and foamy histiocytes (a). Within the fibrous stroma, there are atypical cells within the stroma with atypical cells (b). On higher power (20x), the ducts are lined by moderately atypical cells (c). There are other areas of the normal transitional and columnar epithelium (d).

(a)

(b)

(c)

(d)