33.8 MB (3.5 MB compressed)
3840 x 3072 pixels
32.5 x 25.9 cm ⏐ 12.8 x 10.2 in (300dpi)
JOSE CALVO / SCIENCE PHOTO LIBRARY JOSE CALVO / SCIENCE PHOTO LIBRARY
Masson's tumour, light micrograph. Masson's tumour, or intravascular papillary endothelial hyperplasia, is a rare, benign (non-cancerous) tumour that may mimic an angiosarcoma. It appears as a papillary structure covered with hyperplastic endothelial cells, located within the vascular lumen.
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