CUTANEOUS METASTASES IN CHILDREN. A HISTOPATHOLOGICAL CASE REPORT AND REVIEW
Abstract:
Cutaneous metastases are a rare finding in children, being diagnosed usually after primary
tumour discovery, however it may be the first sign of a malignancy. Therefore, the origin tumour could
be diagnosed through the pathological findings, but in most cases this is impossible due to scant amount
of tissue involved in the metastasis. This article tries to approach, through available scientific literature
and procedures, an unidentified carcinomatous metastasis discovered in a 14-year old boy, proving to
be an undifferentiated epithelial tumour. The importance of cytokeratines CK7 and CK20 is discussed,
together with histological distinctive characteristics of other tumours that may metastasize and
differential diagnosis with primary adnexal carcinomas that may mimic skin metastases.
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