PMC6258227_01
H&E (haemotoxilin & eosin) staining showing (a) primary lesion seen on low power view; (b) primary lesion seen on high power view; (c) primary lesion demonstratin lymphovascular invasion; (d) recurrent lesion presenting with corpora cavernosa.
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fig1
Lymphovascular invasion was present but perineal invasion was not (Fig. 1, Fig. 2).
A timeline of the disease evolution and therapeutic history.
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fig3
On immunohistochemical analysis, the tumour cells stained strongly for p16, p63, s100, MIB-1, and MNF-116, with weaker staining for 34betaE12 and scanty focal staining for AE1/3, CK14, BerEP4 and epithelial membrane antigen (Fig. 3).