Korean J Dermatol.  1983 Aug;21(4):445-449.

A Case of Sea Urchin Granuloma

Abstract

Sea urchin granuloma is a rare skin disorder, considered to be allergic or foreign body reaction caused by stick of spines of sea urchin. However, detection of the spine in the granuloma is quite difficult. A 27 year-old marine was seen with several asymptomatic hard nodules on the dorsum of hands, fingers, forearrns and knees at the injured site of the spines after a latent period of 6 rnonths. Histolagical examination revealed dermal granulomatous inflamation with hyperkeratotic and acanthotic epidermis. On examination with polarized microscopy, sea urchin spines in the granuloma were seen as bright white fragments in the dark field. Those nodules were regressed with intralesional injection of triamcinoIone.


MeSH Terms

Adult
Epidermis
Fingers
Foreign-Body Reaction
Granuloma*
Hand
Humans
Injections, Intralesional
Knee
Microscopy
Sea Urchins*
Skin
Spine
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