Figure 21 Two boys, age 12, showing greated growth retardation. Both boys became hypotiyroid with atrophy of the thyroid gland (Subjects Number 3 and 5, see Figure 26). (neg. # CN 4-956-66) Figure 22 Benign thyroid nodules at surgery. Sectioned gland shows multinodular, cystic and hemorrhagic nature of glands. (neg. # CN 3-103¢ Figure 23 Microscopic section of adenomatous nodule (21X). 24 Gross: appearance of thyroid cancer (white tissue). 25 Microscopic appearance of metastasis into local blood vessels 26 (Neg. # 9-1026-66) or mixed paplilary and follicular carcinoma in 40 year oid woman (10X), 5001320 Note wide variation in size of follicles, sume showing microfollicular tissue, others hyperplasia and some colloid cysts. (neg. # 10-1020-65) from gross specimens seen in Figure 24. Self-explanatory. (neg. # 11-762-66) (neg. # CN 10-720-¢