Differential Diagnosis > Morphology > Reaction Patterns > Dermal > Deposition > The Mucinoses

The Mucinoses

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hmtoggle_plus1Cutaneous mucinoses with distinctive features: (a list of related but clinically distinct diseases)

Dermal:

Follicular:

 

 

hmtoggle_plus1Disorders associated with histologic deposition of mucin: (a list for interest that is not clinically useful)

 

BCC
granuloma annulare
lupus erythematosus
neurofibroma

 

 

 

 

mucin = jelly-like amorphous mixture of glycosaminoglycans (AKA acid mucopolysaccharides (mainly hyaluronic acid and dermatan sulfate bound to small amounts chodroitan sulfate and heparin sulfate))

 

stains:

alcian blue @ pH 2.5
colloidal iron stain