case_images: PMC1208865_01
case_images: Clinical appearance of second recurrence of Merkel tumor on lower lip.
case_images: 1471-2407-5-106-1.jpg
case_images: PMC1208865_01_1471-2407-5-106-1.jpg
case_images: F1
case_images: 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).
case_images: Histopathology showing undifferentiated small cell carcinoma with paucicellular stroma and cells forming nodules or rosettes (haematoxylin and eosin; x 100).
case_images: 1471-2407-5-106-2.jpg
case_images: PMC1208865_01_1471-2407-5-106-2.jpg
case_images: F2
case_images: 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).
case_images: Histopathology showing Merkel cells arranged in rosettes with mitoses present (haematoxylin eosin; x 100).
case_images: 1471-2407-5-106-3.jpg
case_images: PMC1208865_01_1471-2407-5-106-3.jpg
case_images: F3
case_images: 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).