KNUCKLE

By Gary M. White, MD

Nodule(s)

Granuloma Annulare
Granuloma Annulare

Atypical Mycobacterial Infection. Does the patient own a fish tank?
Atypical Mycobacterial Infection

Gout
Gout

Heberden's Nodes
Heberden's Nodes

Knuckle Pads
Knuckle Pads

Rheumatoid Nodules. Courtesy Michael O. Murphy, MD
Rheumatoid Nodules

Papule(s)

Dermatomyositis
Dermatomyositis

Scars

Russell's Sign. Thickened scars over the knuckles may occur after repeated vomiting in some eating disorders, e.g., anorexia nervosa [JAAD 1989;21;1].

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