Primary multiple tumours in patients treated in Otolaryngological Department of Voivodenship Hospital Number 4 in Bytom

: The authors presented a specification of seven cases of multiple primary tumors treated in the Otolaryngological Department of Voivodenship Hospital No. 4 in Bytom (in the years 1991-2004). One case above-mentioned was described more closely. The presented case shows criterions for recognizing the malignant multiple primary tumors. The case describes a case of 42 years old patient treated for 3 primary tumors, metachronic--larynx, oral cavity and pharynx during 12 years. Two tumors have been radicaly removed in surgical treatment, the third one was cured by irradiation. The authors show more frequent appearance of malignant multiple primary tumors and their not clear etiology and emphasizing the significance of systematic follow up examinations after the treatment of primary tumors.