[Anatomical location of basal cell carcinoma in relation to histopathological subtypes: analysis of 189 cases in Hamadan Sinahospital during 1997-99]

Basal cell carcinoma [BCC] is the most common skin cancer in whites. Determination of anatomical localization of BCC in relation to histological subtypes of this tumor. This survey is a descriptive cross sectional study carried out on 189 cases of BCC patients diagnosed in Hamadan Sina hospital between 1997-1999. This study showed 7 histologic subtypes of BCC. Nodular type was the most common type [55.16%] and metatypical type had the lowest frequency [3.7%]. Head and neck were the most common sites of all subtypes of this tumor and nose was the most common of involvement [22.7%]. Superficial BCC was more common on the scalp, which is due to irradiation used for the treatment of tineacapitis in the past