Sir, We read with interest the article by Jairath et al. about the use of narrowband ultraviolet B (NB-UVB) phototherapy in pityriasis rosea (PR) that prompted us to make some considerations. First, regarding the pathogenesis of PR, we point out that it is questionable to define " anecdotal " the huge amount of studies available documenting its viral etiology since 1987, studies that have never...

The severe acute respiratory syndrome coronavirus two (SARS-CoV-2), which causes the 2019 disease (COVID-19), has infected patients worldwide. Physicians have increasingly identified cutaneous findings as a significant clinical manifestation of COVID-19. In this review, we describe presentation, onset, duration, associated symptoms, treatment, and outcome manifestations thus far reported to be ...

Discussion | Poland syndrome, named after the British surgeon Alfred Poland who first described it in 1841, is an uncommon, sporadic, and very rarely inherited birth defect characterized by unilateral chest wall hypoplasia (often right-sided) and ipsilateral hand deformity (most often syn-brachydactyly and less often oligodactyly).1 Poland syndrome affects boys 2 to 3 times as often as girls, w...

IL: interleukin PRP: pityriasis rubra pilaris TNF: tumor necrosis factor INTRODUCTION Pityriasis rubra pilaris (PRP) is a heterogeneous inflammatory skin disease characterized by follicular papules, orange palmoplantar keratoderma, and erythematous scaly patches with islands of skin sparing. Type II PRP is a rare, severe, chronic form of PRP presenting atypical features including long disease d...

An atypical clinical form of pityriasis versicolor has been infrequently reported, in which cutaneous atrophy is associated with individual pityriasis versicolor lesions. The pathogenesis of this atrophy remains unclear, but is believed to be a delayed-type hypersensitivity reaction to antigens derived from the Malassezia species. A 60-year-old man presented with multiple, slightly scaly, and d...