| 释义 |
Nelson tumor Nel·son tu·mor (nel'sŏn), a pituitary tumor causing the symptoms of Nelson syndrome.Nelson, Don H., U.S. internist, 1925–. Nelson syndrome - hyperpigmentation, third nerve damage, and enlarging sella turcica caused by pituitary adenomas that become symptomatic following adrenalectomy. Synonym(s): postadrenalectomy syndromeNelson tumor - a pituitary tumor causing the symptoms of Nelson syndrome. |