Erythroplasia of Queyrat treated with topical 5-fluorouracil

We report a 33-year-old male patient diagnosed with erythroplasia of Queyrat. The patient had an erythematous and eroded lesion affecting more than 50% of the glans associated with bleeding and local pain. Despite previous indication of penectomy, he was successfully treated with topical 5-fluorouracil.

Optical coherence tomography accurately identifies patients with penile (pre) malignant lesions: A single center prospective study

Introduction:

Currently, (multiple) biopsies are taken to obtain histopathological diagnosis of suspicious lesions of the penile skin. Optical coherence tomography (OCT) provides noninvasive in vivo images from which epidermal layer thickness and attenuation coefficient (μ_oct) can be quantified. We hypothesize that qualitative (image assessment) and quantitative (epidermal layer thickness and attenuation coefficient, μ_oct) analysis of penile skin with OCT is possible and may differentiate benign penile tissue from (pre) malignant penile tissue.

Materials and Methods:

Optical coherence tomography-imaging was performed prior to punch biopsy in 18 consecutive patients with a suspicious lesion at the outpatient clinic of the NKI-AVL. Qualitative analysis consisted of visual assessment of clear layers and a visible lower border of the lesions, quantitative analysis comprised of determination of the epidermal layer thickness and μ_oct. Results were grouped according to histopathology reports.

Results:

Qualitative analysis showed a statistically significant difference (P = 0.047) between benign and (pre) malignant lesions. Quantitative analysis showed that epidermal layer thickness and attenuation coefficient was significantly different between benign and (pre) malignant tissue, respectively, P = 0.001 and P < 0.001.

Conclusion:

In this preliminary study, qualitative and quantitative analysis of OCT-images of suspicious penile lesions shows differences between benign lesions and (pre) malignant lesions. These results encourage further research in a larger study population.