Head and Neck Pathology

, Volume 13, Issue 4, pp 681–685 | Cite as

Non-cystic Sclerosing Polycystic Adenosis: Diagnosis of a Hitherto Undescribed Pattern

  • Fredrik PeterssonEmail author
Sine qua non Clinicopathologic Correlation


A case of sclerosing polycystic adenosis without cysts is described. The lesion occurred as a painless slow growing superficial right parotid lump in a 47 years old woman. The tumor measured 14 × 10 mm and displayed extreme well circumscription, sclerotic stroma with scattered hyaline nodules, sprinkling of mononuclear inflammatory cells and islands of mature fat. The epithelial component was predominantly composed of tubules lined by low columnar to cuboidal epithelium with bland nuclear features. Only focal incomplete acinar differentiation with few cells containing small eosinophilic granules was present. The stroma contained a significant fibromyxoid component with increased cellularity. There was no recurrence on follow-up at 14 months.


Sclerosing polycystic adenosis Salivary gland Carcinoma 


Compliance with Ethical Standards

Conflict of interest

The author has no conflict of interest.

Ethical Approval

It is author’s institution’s policy not to require formal ethical approval for reports on up to two patients.


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of PathologyNational University Health SystemSingaporeSingapore

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