Sebaceous
Trichilemmal Cyst
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Trichilemmal Cyst
, Scalp Cyst, Pilar Cyst, Wen
See Also
Epidermal Cyst
Sebaceous Gland
Epidemiology
Most common in over age 15 years
Pathophysiology
Epidermal Cyst
involving the scalp in 90% of cases
Most common in areas of dense
Hair Follicle
s
Symptoms
Asymptomatic in most cases
No odor (unlike
Epidermal Cyst
s)
Signs
Well defined, scalp oval mass
Scalp Cysts collect keratin of cheese consistency
Multiple Scalp Cysts may coalesce
May become inflamed if rupture occurs
Often associated with overlying regions of
Alopecia
Management
Excision
Complete excision in standard fashion
See
Minimal Epidermal Cyst Excision
References
Habif (1996) Clinical Dermatology, p. 644-5
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