Metastatic malignant melanoma from unknown primary site
Khaldi L.¹, Stratigoulakou K.², Karantana M.², Semergidis T.^3
1Dept. of Pathology,
²Dept. of Cytology,
³Dept. of Oral-Maxillofacial Surgery, University Hospital of Larissa

Metastatic melanoma without a known primary site is well documented in the literature and relatively unusual with an incidence of 2-6%. Ιts aetiology remains unclear. We hereby present a case of lymph node metastasis of melanoma in a 65 year old patient with no evidence of primary lesion. Νew metastatic lesions to the skull and small intestine appeared 16 and 21 months respectively after diagnosis. The patient died 37 months after initial diagnosis without evidence of primary tumor.

Key words: Metastatic melanoma, unknown primary lesion, histology, cytology.

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