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Derm Dx: Multiple Itchy Plaques on the Trunk and Extremities

Bullous pemphigoid is the most common bullous autoimmune disease and typically affects elderly individuals. The condition is characterized by tense bullae that arise on erythematous or urticarial plaques. Atypical variants include pemphigoid nodularis, pemphigoid vegetans, papular pemphigoid, erythrodermic pemphigoid, and nonbullous pemphigoid. The nonbullous subtype commonly presents with severe pruritus and other nonbullous manifestations such…

Ortho Dx: Elbow Pain in a Baseball Pitcher

The UCL is a triangular-shaped ligament on the medial side of the elbow. The strong anterior bundle originates at the medial epicondyle, inserts into the ulna, and maintains most of the valgus stability. Overhead throwing causes valgus stress to the joint and can result in a sprain or tear of the UCL. Athletes with pathology…

Derm Dx: Can You Diagnose This Patient’s Nasal Condition?

Rhinophyma is a disfiguring condition that manifests as progressive thickening of the soft tissue of the nose. The disorder is related to rosacea, and many clinicians consider it to be a severe variant of this disease. The cause of rhinophyma is unknown; postulated etiologies include immune dysfunction, angiogenesis promoted by ultraviolet radiation, or infestation with…

Ortho Dx: Supernumerary Digits Attached to the Small Fingers

Polydactyly presents as an extra finger or toe that ranges in size from a small bump to a complete working digit. Preaxial polydactyly occurs on the thumb or radial side, and postaxial polydactyly occurs on the ulnar side of the limb (also known as small finger duplication). Postaxial polydactyly is 10 times more common in…

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