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Penile SCC seems to be frequently associated with LS histological changes. As with vulval SCC, we found that non-LS-associated penile SCC tended to be frequently associated with oncogenic HPV infection, whereas LS-associated penile SCC was not. Larger series are needed to confirm this association.

The chimeric anti-CD20 monoclonal antibody, rituximab, is a promising treatment for cutaneous B-cell lymphomas. Classically used in combination with a multiagent-chemotherapy regimen, it can sometimes give excellent results alone. Because of its selective action on B lymphocytes, it is considered a moderate immunosuppressant in terms of infection. We describe a woman with relapsed cutaneous follicular centre B-cell lymphoma and secondary lymph-node involvement treated with rituximab alone, which induced a complete remission. One year later, she experienced a fatal hepatitis B virus (HBV) reactivation. Several such HBV reactivations were reported after combined rituximab and multiagent chemotherapy for B-cell lymphomas. This is the first case of HBV reactivation occurring during the year following rituximab monotherapy in the absence of any other immunosuppressive factor.

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Background: In severe alopecia areata (AA), spontaneous recovery is unlikely, and treatment is not standardized. Objective: To evaluate the efficacy and safety of methotrexate (MTX) used alone or combined with low- to moderate-dose oral corticosteroids (OC) for treating severe AA (totalis, universalis and severe multifocal). Methods: Retrospective monocentric study of all consecutive patients receiving this treatment between 2006 and 2012. Efficacy was defined as achieving a total regrowth of terminal hair. Results: 26 patients were included (17 with AA universalis or totalis and 9 with severe multifocal AA). Total regrowth was noted in 15/26 patients. After 3 months of treatment, hair regrowth >80% was associated with further complete regrowth, and hair regrowth <30% was associated with later treatment failure (p = 0.0014). When treatment was tapered, 11/15 patients with initial complete efficacy experienced AA relapse. Conclusion: MTX combined with low- to moderate-dose OC may be an efficient and well-tolerated treatment for severe AA. However, long-term maintenance treatment is usually required.

This study was sponsored by a grant from the pharmaceutical company Laboratoires Urgo. S. Bohbot and O. Tacca are employees of Laboratoires Urgo. S. Meaume, J. Dissemond and G. Perceau have received monetary compensation as presenters for Laboratoires Urgo. Data management and statistical analyses were conducted independently by Vertical (Paris, France).

Epidermolytic acanthoma is an uncommon benign tumour mainly characterized histologically by a prominent epidermolytic degeneration of the keratinocytes of the upper layers of the stratum spinosum and of the stratum granulosum. The absence of desmosome involvement allows to differentiate this condition from others such as acantholytic acanthoma. We report the first case, to our knowledge, of a 54-year-old male patient exhibiting disseminated scrotal, gluteal, inguinal and perineal epidermolytic acanthomas.