Case 1. Histopathological examination of haematoxylin-eosin stained specimen. Myofibroblastic tumour cells showing fascicular pattern (blue arrow) and vague storiform pattern (blue circle) (a);Tumour cells ranges from tapering to ovoid with plump vesicular nuclei, prominent nucleoli and pale cytoplasm (b); Bizarre, atypical cells and aberrant mitosis (c) (a,100×; b and c, 400×).