cystic adnexal tumors

Diagnosis

 cystic adnexal tumors with glandular architecture :

• hidrocystoma (two rows of cells)
• cutaneous ciliated cyst (cylindrical cells with cilia )

 cystic adnexal tumors with squamous differenciation / keratinization :

• trichilemmal cyst
• pilomatricoma
• steatocystoma (sebaceous lobules in wall )
• vellus hair cyst (hair shafts in lumen)
• epidermoid cyst (contains lamellated keratin )
• dermoid cyst (adnexal structures in wall)
• trichofolliculoma (radiating immature hairs )
• warty dyskeratoma (acantholytic dyskeratosis )

See also

 adnexal tumors