PMC6386336_01
Hematoxylin and eosin (H&E) staining of the larger lesion showing basal cell carcinoma (BCC), nodular type
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F1
Histopathological results confirmed the BCC, nodular type, for the larger one (figure 1).
Distorted and hyperplastic pilosebaceous units with prominent sebaceous glands. H&E staining of epithelial and mesenchymal components
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F2
The epithelial component consist of distorted and hyperplastic pilosebaceous units with prominent sebaceous glands (fig 2). 
Myxoid and fibrillary appearance containing elongated and wavy spindle cells (H&E staining)
cjim-10-107-g003.jpg
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F3
Immunohistochemical staining, fibrillary mesenchymal components express S-100 marker
cjim-10-107-g004.jpg
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F4
Fibrillary mesenchymal componenets express S-100 marker (figure 4), while neuron specific enolase, smooth muscle actin, and desmin were negative (figure 5).
NSE and SMA, and desmin markers were negative in IHC staining of mesenchymal components
cjim-10-107-g005.jpg
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F5
Fibrillary mesenchymal componenets express S-100 marker (figure 4), while neuron specific enolase, smooth muscle actin, and desmin were negative (figure 5).