Diagnosis: Pretibial myxedema
Description: Thick infiltrated plaques extending on to the foot.
Morphology: Plaque
Site: Foot,dorsum
Sex: F
Age: 35
Type: Clinical
Submitted By: Ian McColl
Differential DiagnosisHistory: Pretibial myxedema occurs in about 5% of patients who have had Grave's disease.Mucopolysacharides are deposited as plaques in the pretibial skin.Many patients have associated thyroid acropachy