STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Adenoma of the thyroid. Light micrograph (LM) of a section of an adenoma of the thyroid. A benign, slow-growing, epithelial tumour, sometimes serving as a locus for development of a malignant epithelial neoplasm. The adenoma itself may secrete thyroid hormone. If the adenoma secretes enough thyroid hormone, it may cause hyperthyroidism. Thyroid adenomas may be treated if they cause hyperthyroidism. Treatment may include surgery to remove part of the thyroid. Magnification: x 150 when printed at 10 centimetres wide. Human tissue.
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