Congenital Infantile Fibrosarcoma Causing Intestinal Perforation in a Newborn

Figure 3

Histopathology revealed circumferential spindle cell proliferation involving mainly the submucosa and muscularis propria (a); the tumor consisted of spindle cells with tapering nuclei and indistinctive eosinophilic cytoplasm (b); immunohistochemistry showed focal positivity of tumor cells for SMA (c).

(a)

(b)

(c)