Pigmented purpuric dermatosis is a chronic benign skin disorder of unknown aetiology. Although there are several other potential cofactors, drugs are the most frequent cause. This paper describes the case of a 71-year-old woman who was admitted in the emergency department with skin lesions on the lower extremities, characteristics of Schamberg's disease. After a medical study and treatment, it ...

BACKGROUND It is uncertain whether skin pigmentation affects pulse oximeter accuracy at low HbO2 saturation. METHODS The accuracy of finger pulse oximeters during stable, plateau levels of arterial oxygen saturation (Sao2) between 60 and 100% were evaluated in 11 subjects with darkly pigmented skin and in 10 with light skin pigmentation. Oximeters tested were the Nellcor N-595 with the OxiMax...

Epidermal choristoma is a rare, congenital lesion in which islands of ectopic skin are found within the oral cavity. They present as pigmented macules or papules on tongue. Histologic appearances characteristic and benign. We three cases review current literature recommend observation rather than complete excision should be considered reasonable management option.

Malignant melanoma is an aggressive neoplasm affecting the oral cavity. It has the most biologically unpredictable behavior. The tumors can be locally invasive or metastasize to other parts of the body. Pre-existing pigmentations can evolve into malignant melanomas in about 30% of the cases. Hence, early detection of pigmented lesions of undetermined origin is important and should be routinely ...

Abstract Introduction Many patients diagnosed with amelanotic melanoma (AM) have often gone undetected for a long time due to the difficulty in diagnosis of these skin lesion, likely causing underestimation prevalence AM Ireland. This study aims determine associated risk factors, incidence, and an Irish population. Aim Determine true staging melanoma. Method is retrospective cohort diagnoses ma...

Nevoid basal cell carcinoma syndrome (NBCCS) is a rare, autosomal-dominant, cancer-predisposing, multisystem disorder. The clinical manifestations of NBCCS include multiple basal cell carcinomas (BCCs), odontogenic keratocysts, palmar or plantar pits, and calcification of the falx cerebri. We present a case of an 11-year-old boy with Fitzpatrick skin type V who presented with multiple facial le...