Bednar Tumour Occurring after Malignant Melanoma Excision

Figure 1

Microscopic features of Bednar tumour. (A and B) The tumour is composed of monomorphous spindle shaped cells in a prominent storiform pattern, infiltrating the hypodermal fat in a characteristic “honeycombing” pattern. (C and D) Scattered pigmented dendritic cells are also present. Haematoxylin-eosin stain; original magnification, A, 40x; B and D, 200x; C, 100x.