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adnexal tumors

Saturday 16 February 2019

cutaneous adnexal tumors

Main types

- sebaceous tumors
- sweat gland tumors
- cutaneous follicular tumors / hair follicle tumors

Types

- sebaceaous tumors

- sweat gland tumors

- cutaneous follicular tumors / hair follicle tumors

Patterns in sweat galnd tumors

- derma cyst with double cuboidal lining or columnar lining : hidrocystoma
- solid pink or clear or squamoid proliferation in epidermis and/or dermis +/- cystic change : acrospiroma
- blue basaloid proliferation in dermis : spiradenoma and cylindroma
- tadpoles / Paisley tie syringoma
- cystic psace and papillary projections : syringocystadenoma papilliferum
- dermal nodule with variable mixture of cords / chains / tubules and chondromyxoid stroma mixed tumor : chondroid syringoma

Open references

- https://www.archivesofpathology.org/doi/pdf/10.5858/arpa.2018-0189-RA