Kaposi's sarcoma, epidemiology and clinical characteristics in a tertiary hospital, a cross-sectional study.

Introduction: Kaposi's Sarcoma (KS) is a rare soft tissue tumor linked to human herpesvirus 8 (HHV-8), a recognized oncogenic virus. Five distinct clinical presentations have been identified, with the epidemic type being the most prevalent and notably associated with Human Immunodeficiency Virus (HIV). A delayed diagnosis significantly compromises patient prognosis and survival rates.

Nail Unit Melanoma: Uncommon Presentations to Keep in Mind.

Introduction: This article presents a case of nail unit melanoma (NUM), highlighting the unusual clinical presentations as those originating from the hyponychium. We discuss how dermoscopy is an essential tool for this pigmented lesion, and how the lack of a standardized guide for NUM underscores the importance of personalized approaches to ensure the best possible outcomes.

Case Presentation: A 72-year-old woman presented with a melanocytic lesion on her right second finger, characterized by a hyperpigmented macule with irregular borders and a heterogeneous distribution of pigment.