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Table 2 Differential diagnosis of metastatic penile lesions

From: Secondary penile tumours revisited

Pre-malignant and malignant lesions
• Bowen's disease/Erythroplacia of Querat
• Verrucous carcinoma
• Squamous cell carcinoma
• Basal cell carcinoma
• Melanoma
• Sarcoma
Infectious lesions
   • Tuberculosis
   • Syphilitic chancre
   • Chancroid
   • Cryptococal infection
   • Filariasis
   • Rhinosporiodiosis
Other benign conditions
   • Non-tumourous priapism
   • Peyronnie's disease
   • Factitous ulcerations (self induced)
   • Pseudo tumours (secondary to foreign bodies or injections into penis)