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This dermal mucinosis presents as a solitary, tense, raised nodule on the dorsum of fingers, usually on the distal interphalangeal joint or base of the nail. Rarely the toes may be involved. This disorder is most common in middle aged to elderly women. There is a connection to the underlying joint cavity. Under the microscope, there is a collection of mucin within the dermis with stellate fibroblasts. No epithelial lining is present, instead there is a myxoid connective tissue wall.

Weedon D. Weedon's Skin Pathology. Churchill Livingstone. 1997.
Fitzpatrick's Dermatology in General Medicine. 5th Edition. McGraw-Hill. 1999.

Commonly Used Terms

Dermal mucinosis -See term.

Last Updated 4/1/2001

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