Pelvic Desmoid Tumor: A Rare Case with Difficult Diagnosis and Treatment

Figure 3

(a and b) Microscopically, the lesion consisted of a proliferation of relatively uniform spindle cells, arranged in long fascicles, with fusiform nuclei and inconspicuous nucleoli, in an abundant collagenous stroma, pointed by the black arrows. The tumor showed an infiltrative pattern of growth.

(a)

(b)