title: [Malignant melanoma with unknown primary tumor. Case reports of 12 patients with overview].
abstract: Report of 12 patients with metastasizing malignant melanoma and unknown primary tumor. Age of patients, therapy and prognosis are alike in patients with known primary tumors. In five patients the medical history or clinical data pointed to regression of the primary malignant melanoma of skin. Metastasis of internal malignant melanomas or the "de novo" origin of malignant melanomas in lymphatic vessels or lymph nodes are discussed.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D008207:Lymphatic Metastasis; D008297:Male; D008545:Melanoma / Q000556:secondary* / Q000628:therapy; D008875:Middle Aged; D009362:Neoplasm Metastasis / Q000473:pathology*; D009367:Neoplasm Staging
vernacular_title: Maligne Melanome mit unbekanntem Primärtumor. Bericht über 12 Patienten und Ubersicht.