PMC1208865_01
Clinical appearance of second recurrence of Merkel tumor on lower lip.
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PMC1208865_01_1471-2407-5-106-1.jpg
F1
Two months later, the patient was referred to the Depatment of Plastic Surgery, for another protruding ulcerated lesion, 3 cm in diameter, on his lower lip (Fig 1).
Histopathology showing undifferentiated small cell carcinoma with paucicellular stroma and cells forming nodules or rosettes (haematoxylin and eosin; x 100).
1471-2407-5-106-2.jpg
PMC1208865_01_1471-2407-5-106-2.jpg
F2
The cells arranged in nodules or rosettes, had dense nuclear chromatin, with mitoses and nuclear debris which are regular features of MCC (Fig. 2, 3).
Histopathology showing Merkel cells arranged in rosettes with mitoses present (haematoxylin eosin; x 100).
1471-2407-5-106-3.jpg
PMC1208865_01_1471-2407-5-106-3.jpg
F3
The cells arranged in nodules or rosettes, had dense nuclear chromatin, with mitoses and nuclear debris which are regular features of MCC (Fig. 2, 3).