Keratoderma blennorhagicum in a patient with reactive arthritis.
Severe joint contractures in a child with post‐kala‐azar dermal leishmaniasis.
Histology of neutrophilic dermatosis in a patient with rheumatoid arthritis.
Birefringent crystals of uric acid in a gouty tophus (examined under polarizing microscope).
(a,b) Views of the hand (a) and the lower legs and ankles (b) in pachydermoperiostosis.
(a) Geographic tongue and (b) circinate balanitis in HLA‐B27 positive adolescent.
(a,b) Multiple rheumatoid nodules on the lower leg and knees.
Relapsing polychondritis, showing inflammation of the pinna.
Yellow pigmentation of the skin due to mepacrine.
Reticulate erythema of erythema infectiosum.
Histology of rheumatoid nodule at low power (a) and at higher power showing palisading granulomata (b).
Tophaceous gout showing multiple cream‐coloured papules on the palmar surfaces of the digits (inset: close‐up view of thumb).
Relapsing polychondritis: late stage, showing damage to the cartilage of the ear and nose.
Ochronosis of the nail beds due to mepacrine.
A 19‐year‐old man with short history of headache, nausea, vomiting and weakness: the subsequently confirmed clinical suspicion of early meningococcal ...
Digital vasculitis in rheumatoid arthritis.
Severe tophaceous gout and acute gouty inflammation affecting the index finger and thumb.
Relapsing polychondritis, showing ocular involvement.