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Skin - Nonmelanocytic tumors

Carcinoma (non-adnexal)

Adenoid cystic carcinoma


Reviewer: Christopher Hale, M.D. (see Reviewers page)
Revised: 15 July 2012, last major update June 2012
Copyright: (c) 2001-2012, PathologyOutlines.com, Inc.

General
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● Very rare, slow growing nodule
● Older patients, female slightly > male
● Usually scalp, also chest/abdomen
● Probable eccrine origin
● Perineural involvement common
● Local recurrence
● Must rule out metastasis from salivary glands, breast, other

Case reports
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● 32 year old woman with scalp nodule (Rare Tumors 2011;3:e3)

Clinical images
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Scalp lesion with associated alopecia

Gross description
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● Slowly expanding, skin colored nodule

Micro description
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● Cribriform and tubular structures in dermis

Micro images
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Various images

Differential diagnosis
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● Metastases from salivary gland tumors
● Basal cell carcinoma (adenoid-cystic variant)
● Mucinous carcinoma
● Dermal cylindroma
● Primary cutaneous cribriform apocrine carcinoma

End of Skin - Nonmelanocytic tumors > Carcinoma (non-adnexal) > Adenoid cystic carcinoma


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