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Juvenile xanthogranuloma represents the most common form of non-Langerhans cell histiocytosis. It is tipically a childhood disorder, over 80% of cases developing in the first year of life. Adult onset xanthogranuloma is instead exceedingly rare; our literature research revealed a total number of only 35 cases reported to date. Cases with multiple cutaneous lesions occurring during adulthood are even rarer. The pathogenesis of the disease is incompletely understood and the possibility of extracutaneous involvement is uncertain.Although adult xanthogranulomatosis is not considered a paraneoplastic phenomenon, association with haematological malignancies is very frequent, therefore patients should be thoroughly investigated and closely monitored. We report a case of multiple xanthogranulomas developing in an otherwise healthy adult female patient and review the literature regarding this uncommon disease. [ABSTRACT FROM AUTHOR]

Multiple primary cancers may occur in the same patient, with a prevalence that follows an ascendant trend. Their development is dictated by a complex interplay between a variety of factors, both patient-dependent and external. The case of a 38-year-old female patient diagnosed and treated for pancreatic cancer (PC) is presented in whom the digital dermoscopic monitoring of melanocytic nevi revealed a marked change of two nevi that acquired rapidly highly atypical features. They were surgically excised and the histopathological examination revealed two completely excised dysplastic compound nevi. Clinicians should be aware of the strong association between dysplastic nevus syndrome and PC, a malignancy associated with an extremely poor prognosis. Familial atypical multiple mole melanoma syndrome (FAMMM) predisposes to the development of melanoma, pancreatic cancer and other neoplasms. The common genetic background of PC and hereditary melanoma is discussed and the importance of regular skin checkup and screening for PC in these patients is underlined. [ABSTRACT FROM AUTHOR]

The ongoing coronavirus disease 2019 (COVID-19) outbreak was declared a pandemic by the World Health organization in early March 2020. The disease typically presents with viral respiratory symptoms that could progress to acute respiratory distress syndrome. Emerging evidence suggests different possible dermatologic manifestations of COVID-19, including: acral lesions (pernio-like, pseudo-chillblain), vesicular eruptions, macular and papular exanthema, urticaria, livedoid, purpuric and petechial rashes. However, specific skin manifestations of the COVID-19 disease have not yet been clearly established and the relationship between the appearance of skin lesions and SARS-CoV-2 infection is still unclear. These highly variable skin changes could represent a direct consequence of the viral infection, an immunological response to viral nucleotides, adverse reactions to drugs frequently used for the treatment of COVID-19, or other disorders. In a global effort to comprehend the exact cutaneous features of COVID-19, several international dermatological societies have initiated nationwide studies to analyze COVID-19 cutaneous manifestations during this pandemic. This paper represents a literature review of the scientific data available on the clinical characteristics and symptoms of the cutaneous manifestations associated with COVID-19. Such findings are extremely useful in establishing if dermatological manifestations in COVID-19 patients could harbor a diagnostic significance and subsequently be used as prognostic factors for outcomes of COVID-19. [ABSTRACT FROM AUTHOR]

Intravascular papillary endothelial hyperplasia (IPEH) is an uncommon benign vascular lesion generated by an exaggerated endothelial proliferative response to vascular injury. It represents 2-4% of vascular tumors arising in the skin and soft tissue. Complete surgical excision is curative. Unfortunately, it is frequently confused with other vascular or soft tissue tumors. Therefore, promptly establishing the correct diagnosis helps avoid useless extensive investigations and overtreatment. We report a case of IPEH that developed on the skin of the lower left abdominal area in a 40-year-old female patient in the absence of previous local trauma or vascular anomalies. [ABSTRACT FROM AUTHOR]