Hidrocystomas - A Brief Review

Khashayar Sarabi, BS, MSIV; Amor Khachemoune, MD, CWS

September 06, 2006

Conclusion

Hidrocystomas are benign cystic lesions that typically occur in the facial region. Eccrine and apocrine hidrocystomas comprise the 2 main groups. Their clinical diagnosis requires knowledge of their differentiating characteristics in order to rule out other benign cystic lesions, and a biopsy must be obtained for histologic study. Management of hidrocystomas mainly involves simple needle puncture; however, other treatments such as electrodessication, anticholinergic creams, carbon dioxide vaporization, and laser treatment have all shown success in treating different types of hidrocystomas.

References

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Cite this: Hidrocystomas - A Brief Review - Medscape - Sep 05, 2006.

Table. Differentiation Between Eccrine and Apocrine Hidrocystomas
	Eccrine Hidrocystomas	Apocrine Hidrocystomas
No. of lesions	Solitary or multiple	Primarily solitary (but occasionally manifesting as multiple lesions)
Color	Ranges from flesh-colored to light-blue tint	Ranges from dark-blue tint to black
Size	1 to 6 mm in diameter	3 to 15 mm in diameter
Age group affected	30-75 years	30-75 years
Gender distribution	More prevalent among females than among males	Females and males are affected in equal numbers
Epithelium types	1-2 layers of cuboidal epithelium	Single/double cuboidal-columnar epithelium
Stains	S-100 positive (solitary type), PAS negative	S-100 negative, PAS positive
Special cellular features	No decapitation of cells, no secretory cells	Decapitation of secretory cells, papillary projections seen under microscope
Body location	Malar, periorbital, chest, axilla, neck	Face, ears, head, chest, shoulders
Possible treatments	Puncture and drainage, electrodessication, carbon dioxide laser, anticholinergic topical creams; placement in cold temperature	Puncture and drainage, electrodessication, carbon dioxide laser, anticholinergic topical creams
Special features	Worse in hot, humid weather	No change with temperature

PAS = periodic acid-Schiff

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Hidrocystomas - A Brief Review

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