Pityriasis rosea is a distinct papulosquamous skin eruption that has been attributed to viral reactivation, certain drug exposures or rarely, vaccination. Herein, we reported a clinicopathlogically typical case of pityriasis rosea that developed after the H1N1 vaccination. With a global H1N1 vaccination program against the pandemic H1N1 influenza, patients should be apprised of the possibility ...

We report the results of a study which aim was the mycological identification of specimens coming from patients included in a clinical trial. A total of 445 specimens from patients with clinical diagnosis of dermatomicosis were processed during 8 months (138 pityriasis versicolor, 28 cutaneous candidosis and 279 dermatophytosis). A 48% of pityriasis versicolor cultures were positive for Malasse...

Pityriasis rosea is a short-lived rash that commences initially as a large so-called ‘herald’ patch followed by a rapidly evolving eruption on the trunk and extremities. Characteristic pattern of lesions follow the lines of cleavage in a ‘christmas tree’ distribution. PR is most frequently seen between first and third decade but a range of 3 month to 83 years were reported. The incidence doesn’...

The etiology of pityriasis lichenoides is unknown. One of the accepted theories admits that PL is an inflammatory response to extrinsic antigens such as infectious agents, drugs and vaccines. In recent medical literature, only the MMR vaccine (Measles, Mumps and Rubella) was associated with the occurrence of this disease. We present a case of a male, 12 year old healthy patient who, five days a...

Treatment of pityriasis rubra pilaris is still challenging. We here present a 74-year-old woman who had not experienced stable remission of her skin symptoms during prior treatments including topical and systemic corticosteroids, phototherapy, orally administered acitretin, cyclosporine, methotrexate and adalimumab. A therapy with oral alitretinoin was started and tolerated very well. After a f...

One hundred and twenty-six cases of pityriasis rosea seen over two years in north Staffordshire were analysed for clustering in time and space. A statistically significant degree of clustering was found; this was evident among female patients considered separately but not among male patients. The incidence of the condition was higher in patients working in, or attending, educational establishme...

In this case report, we present a 30-year-old man who developed pityriasis rubra pilaris (PRP) following exposure to Dolomite. The diagnosis of PRP was confirmed histologically and the patient was successfully treated with acitretin and cyclosporine.

PD-1: Programmed death receptor