Christopher Jones

All articles by Christopher Jones

Knuckle Pads (Heloderma, Athlete's Nodules, Surfer's Nodules, Running/Nike Nodules, Subcutaneous Fibroma, Keratosis Supracapitularis, Discrete Keratoderma, Tylositas Articuli)

Are You Confident of the Diagnosis? What you should be alert for in the history Knuckle pads (KPs) are benign, usually asymptomatic growths on the extensor surfaces of the hands, mostly located over the proximal interphalangeal (PIP) joints, and to a lesser degree the metacarpophalangeal (MCP) and distal interphalangeal (DIP) joints. Upon taking the patient’s…

Shoulder Impingement

The Problem Shoulder impingement is a common cause of shoulder pain, described by Neer in 1972 as a ridge of proliferative spurs on the undersurface of the anterior process of the acromion. These spurs allow for repeated contact of the rotator cuff and humeral head with traction of the coracoacromial (CA) ligament. The concept of…

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