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Pathol Res Pract. 1999;195(4):263-6.

Epithelial inclusion in axillary lymph node associated with a breast carcinoma: report of a case with a review of the literature.

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Istituto di Anatomia ed Istologia Patologica, Università di Catania, Italy.


Since epithelial inclusions in axillary lymph nodes are rare, some diagnostic problems concerning their nature have arisen. We report a case of a cystic squamous epithelial inclusion in an axillary lymph node of a patient affected by a high grade breast carcinoma with focal squamous differentiation. Although the lesion was histologically benign, the possibility that it represents a well-differentiated squamous metastasis cannot be completely ruled out. To our knowledge, this is the first case of an epithelial lymph node inclusion associated with a breast carcinoma showing morphological evidence of squamous differentiation. Here, we discuss the diagnostic problems and give a review of the literature.

[Indexed for MEDLINE]

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