Merkel Cell Carcinoma of the Eyelids (Clinical-Histological Study).

Abstract

To get acquainted with the issues of Merkel cell carcinoma (MCC) when the eyelid is affected and with its surgical solution. MCC of the right upper eyelid was at the Department of Ophthalmology in the Faculty Hospital Královské Vinohrady in Prague (Czech Republic, EU) in 1998 woman 78 year. Another cases of the MCC on the left upper eyelid were observed in two women aged 48 and 67 years and they were pick up in aretrospective study covered 1033 operated tumors eyelids years 2007 - 2015. 47,5% of operated tumors were benign and 52,5% malignant. Most common malignant processes were basal cell carcinoma in 77,3% and squamous cell carcinoma at 15,7%. The oldest patient died after three years of cardiopulmonary failure. 48 year old patient (age of diagnosis MCC) has been monitoring for five years without proven recurrence or metastasis dissemination. Oncological initial staging was negative regarding. An ultrasound examination of the lymphatic system of the neck was followed every six months. Another 67 year old patient (age of diagnosis MCC) was followed for 2,5 years. There was asuspicion of ametastatic process in the same side salivary gland and lungs, therefore chemotherapy was performed. Definitely, this process has not been proven. Now there is continuing follow up without sings of local recurrence or metastatic dissemination. The authors confirmed arare occurrence of MCC, and only 0,37% among malignant eyelids tumors. Essential importance for successful treatment is asufficiently radical excision supported by histological verification and asubsequent plastic surgery of the eyelid is also necessary. Key words: Merkel cell carcinoma, tumor of eyelid, ultrasound examination of nodes.