Content - Volume 98, Issue 9

Our study presents a series of Greek familial melanoma patients and evaluates CDKN2A and CDK4 variants in these patients in association with clinico-epidemiological characteristics and family prevalence of other neoplasias. The high percentage (46.2%) of CDKN2A variants among Greek melanoma-prone families highlights the value of genetic counseling and testing, while medical advice on healthy lifestyle and prompt screening for other cancers is essential. The age of at melanoma diagnosis was shifted a decade earlier in carriers of CDKN2A variants compared with CDKN2A wild­type patients, underscoring the need for intense vigilance in these individuals from a young age.

A sunscreen’s labelled SPF is determined at 2mg/cm2 skin but actual SPF depends on application thickness (see figure). This was also the case for protection against epidermal DNA photodamage with acute and repeated daily exposures of high dose solar simulated radiation (SSR). However, even at an application thickness of 0.75mg/cm2, that represents “typical” sunscreen use, there was significant protection against DNA lesions (assessed by HPLC-MS-MS) from 5 consecutive days of SSR exposure. The study supports the use of a very high SPF sunscreen in the prevention of skin cancer.

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Safety data for secukinumab in patients with psoriasis and viral hepatitis are lacking. The aim of this study is to investigate the risk of reactivation of hepatitis B virus (HBV)/hepatitis C virus (HCV) in patients with psoriasis who are receiving secukinumab therapy. This multicentre study screened 284 patients with psoriasis with available HBV and HCV serological data and 63 patients with concu ...

Rare T- or NK-cell lymphomas with cutaneous manifestation may display a highly aggressive clinical course and major diagnostic/therapeutic challenges. This report describes our experiences with different lymphomas of this rare category and the therapeutic options used. This retrospective, descriptive, monocentric, cross-sectional case study, identified 4 rare aggressive T-/NK-cell lymphomas with m ...

Livedoid vasculopathy is a rare thrombotic cutaneous disease. This observational study aimed to assess the clinical and biological features of livedoid vasculopathy and the efficacy of treatments. Patients enrolled had typical livedoid vasculopathy both clinically and histologically. Investigation of thrombophilia was performed. Electromyography was undertaken in the presence of symptoms suggestin ...

We examined the association between the duration of untreated psychosis and outcome for patients with delusional infestation. This multi-centre international study included 211 consecutive patients. Illness severity was evaluated at first presentation and outcome was measured with the Clinical Global Impression scale (CGI) at baseline and follow-up. A regression analysis showed a clear clinical a ...

Skin thermal changes modulate itch sensitivity. However, the mechanisms of this modulation are still unclear. Using mouse models of acute and chronic itch, we investigated whether local innocuous thermal stimulation of the skin alters itch sensitivity and if blockade of thermosensitive transient receptor potential (TRP) channels can reduce these changes. Localized thermal changes were achieved by ...

Approximately 5–10% of melanoma cases occur in a familial context. CDKN2A/CDK4 were the first high-penetrance melanoma genes identified. The aims of this study were to evaluate CDKN2A/CDK4 variants in Greek familial melanoma patients and to correlate the mutational status with specific clinico-epidemiological characteristics. A cross-sectional study was conducted by genotyping CDKN2A/CDK4 varian ...

Becker’s naevus is androgen-dependent. The aim of this study was to investigate whether oestrogen and progesterone receptors are involved in this disorder. Immunohistochemistry showed that epidermal expression of androgen receptors, oestrogen receptors (α, β) and progesterone receptors was higher in skin lesions of Becker’s naevus than in perilesional and control skin. Androgen receptor over ...

Recent advances in the field of genomics have seen the successful implementation of whole exome sequencing as a rapid and efficient diagnostic strategy in several genodermatoses. The aim of this study was to explore the potential of molecular studies in dystrophic epidermolysis bullosa (DEB) in India. Whole exome sequencing was performed using genomic DNA from each case of epidermolysis bullosa, f ...

The cyclobutane pyrimidine dimer (CPD) is a potentially mutagenic DNA photolesion that is the basis of most skin cancers. There are no data on DNA protection by sunscreens under typical conditions of use. The study aim was to determine such protection, in phototypes I/II, with representative sunscreen-user application. A very high SPF formulation was applied at 0.75, 1.3 and 2.0 mg/cm2. Unprotecte ...

Methotrexate treatment has been linked with an increased risk of melanoma. However, a possible dose-response relationship with respect to methotrexate exposure and melanoma has not been addressed. The aim of the present study was to investigate whether higher accumulated doses of methotrexate correlate with an increased risk of melanoma, which would further support a possible association. A nation ...

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