- A Case with Isolated ACTH Deficiency.
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Myoung Sik Kim, Byung Doo Lee, Sang Min Shin, Young Il Kim, Byung Oh Jeong, Hong Jib Choi, Phil Ho Kim, Kyung Soo Ko, Jae Hong Park
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J Korean Endocr Soc. 1996;11(4):538-543. Published online November 7, 2019
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 Abstract
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- Isolated ACTH deficiency is a rare cause of secondary adrenocortical insufficiency. Adrenal crisis in isolated ACTH deficiency is less common compared to primary adrenal insufficiency, but isolated ACTH deficiency is an important cause of hypoglycemia. Recently we experienced a 41-year-old man admitted because of mental confusion. On admission, plasma glucose and sodium concentration were 1.7, 132 mmol/L, respectively. Basal plasma ACTH and cortisol levels were low and other pituitary hormone showed normal response to combined pituitary stimulation test except growth hormone. Plasma ACTH concentration remained low even after intravenous injection of ovine corticotropin releasing factor. It suggest that the defect of ACTH secretion was apparently due to intrinsic pituitary rather than hypothalamic disease. The sellar CT showed the fossa to be filled by cerebrospinal fluid. After treatment with glucocorticoid, he had no further evidence of hypoglycemia and hyponatremia. In conclusion, we report a case of isolated ACTH deficiency with empty sella.
- Graves' disease associated with Hashimoto's thyroiditis.
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Seong Bin Hong, Myoung Sik Kim, Kwan Woo Lee, Mi Rin Kim, Hyoun Ho In, Kyoung Rae Kim, Young Up Cho, Young Chae Joo
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J Korean Endocr Soc. 1996;11(2):182-188. Published online November 7, 2019
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Abstract
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- Hashimotos thyroiditis and Graves disease have been thought to be the autoirnmune diseases having their distinct and separate clinical and pathologic features. Because of the partial and complete simi1arity in histologic feature, it has been hypothesized that Hashimoto's thyroiditis and Oraves disease may be interrelated. Several patients who had been diagnosed as Graves disease showed features of hypothyroidism, and were proven to have histologie features of Hashimotos thyroiditis in their thyroid tissue. Two meehanisms had been suggested to explain tbis phenomenon. One is that the combined Hashimotos thyroiditis in Graves' disease may become predominant with time, The other is that the amount of TSH receptor blocking antibody may increase in the course of Graves disease. Early recognition of these patients would be impartant to estabilish therapeutic plan. Futhermcee, extensive study of these patients would give more understanding of the mechanism of these diseases. Here we report 5 cases of clinically diagnosed Graves disease with pathologic features of Hashimotos thyroiditis or focal lymphocytic thyroiditis.
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