Carcinoma in situ in a lateral cervical cyst

Corinna E. Zimmermann*, Helmut von Domarus, Pierre Moubayed

*Corresponding author for this work
22 Citations (Scopus)

Abstract

Background. The development of an invasive squamous cell carcinoma within a lateral cervical cyst as a result of malignant transformation of the epithelium is considered a rare circumstance. The existence of this entity is a source of controversy in light of the differential diagnosis, which includes a cervical metastasis from an unknown primary carcinoma (CUP-syndrome). Apart from site, histologic findings, and follow-up, the principal diagnostic criterion for lateral cervical cyst carcinoma is the histomorphologic demonstration of transition of the benign epithelium into invasive squamous cell carcinoma. Although numerous case reports of this entity exist, carcinoma in situ in a lateral cervical cyst has been reported in only five cases thus far. Method. In this context, we present the case of a 44-year-old patient with a 7-month history of cervical swelling. Results. After diagnostic extirpation of the tumor, histologic findings were consistent with a lateral branchial cyst with highgrade dysplasia and carcinoma in situ of the squamous epithelial lining. Conclusion. This case of a premalignant lesion within a lateral branchial cyst (ie, carcinoma in situ) supplies the "missing link" and adds credibility to the concept of primary branchiogenic carcinoma.

Original languageEnglish
JournalHead and Neck
Volume24
Issue number10
Pages (from-to)965-969
Number of pages5
ISSN1043-3074
DOIs
Publication statusPublished - 01.10.2002

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