Sexually Transmitted Diseases Human Papillomavirus: Anogenital InfectionsICD-9: 079.4 ICD-10: B97.7 Mucosal human papilloma virus (HPV) infections are the most common sexually transmitted infection (STIs) seen by the dermatologist. Only 1-2%…
Cutaneous Lymphomas and Sarcoma Cutaneous lymphomas are clonal proliferations of neoplastic T or B cells, rarely natural killer cells or plasmacytoid dendritic cells. Cutaneous lymphomas are the second most common…
Disorders of Hair Follicles and Related Disorders Human hair has little vestigial function: Contributes to a psychological perception of beauty and attractiveness. Tactile sensation. Protects the scalp, face, and neck…
Genetic and Acquired Bullous Diseases Bullous diseases are defined as conditions where cavities filled with fluid form in the superficial layers of skin clinically manifesting as vesicles or blisters. Although…
Skin Signs of Hematologic Disease Thrombocytopenic PurpuraICD-9: 287.31 ICD-10: D69.3 Thrombocytopenic purpura (TP) is characterized by cutaneous hemorrhages occurring in association with a reduced platelet count. Occur at sites of…
Arthropod Bites, Stings, and Cutaneous Infections Cutaneous Reactions to Arthropod Bites Arthropods are defined by an exoskeleton, segmented body, and jointed appendages. Four of 9 classes of arthropods cause local…
Skin Signs of Vascular Insufficiency Atherosclerosis, Arterial Insufficiency, andAtheroembolization ICD-9: 440 ICD-10: I70 Atherosclerosis obliterans (ASO), especially of the lower extremities, is associated with spectrum of cutaneous findings of slowly…
Pigmentary Disorders Normal skin color is composed of a mixture of four biochromes, namely, (1) reduced hemoglobin (blue), (2) oxyhemoglobin (red), (3) carotenoids (yellow; exogenous from diet), and (4) melanin…
Miscellaneous Epidermal Disorders Acanthosis Nigricans (AN) ICD-9: 701.2 ICD-10: L 83 Asymmetric velvety thickening and hyperpigmentation of the skin, chiefly on the neck, axilla, groins, and other body folds. May…
Skin Diseases in Organ and Bone Marrow Transplantation Organ transplant recipients are chronically immunosuppressed and their T cell function is impaired. Ensuing diseases are mostly infections and are similar to…
