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이은직(Eun Jig Lee),이현철(Hyun Chul Lee),안광진(Kwang Jin Ahn),임세중(Se Joong Rim),정윤석(Yoon Sok Jung),이관우(Kwan Woo Lee),임승길(Sung Kil Lim),김경래(Kyung Rae Kim),허갑범(Kap Bum Huh),양우익(Woo Ik Yang),박찬일(Chan Il Park),최 대한내과학회 1991 대한내과학회지 Vol.41 No.6
This retrospective study concerns 73 patients with nonfunctioning pituitary adenoma who were operated on during an 9-year period from 1981 to 1989. Among them, 7 men showed positive immunocytochemistry for FSH and negative for other pituitary hormones. Six of them had elevated serum FSH levels, and LH levels were normal. Testosterone levels were low in six patients tested. Their major symptoms were visual impairment, headache, and impotence, which had developed from two months to 2 years before sugery. Primary hypogonadism could be eliminated on clinical grounds (recent onset of hypogonadism, previous fertility, and posttreatment-improvement). Transsphenoidal adenomectomies were performed in all patients, and radiation-therapies were paralleled in 6 of them. Clinical recovery occurred in all patients. One patient who did not received radiation therapy showed regrowth of tumor mass after 18 months. In remaining 6 patients, we haven't found any evidence of tumor recurrence during follow-up period from 10 months to 6.3 years. We conclude that these 7 men had primary gonadotrope adenoma of the pituitary, and present them with a literature review.
면역세포화학 염색법과 전자 현미경검사를 통한 뇌하수체 선종의 특징
이은직(Eun Jig Lee),이현철(Hyun Chul Lee),양우익(Woo Ik Yang),김경래(Kyung Rai Kim),김현만(Hyun Man Kim),안광진(Kwang Jin Ahn),정윤석(Yoon Sok Chung),임승길(Sung Kil Lim),김태승(Tae Seung Kim),박찬일(Chan Il Park),최인준(In Joon choi 대한내과학회 1992 대한내과학회지 Vol.43 No.2
Background: The development of immunocytochemistry and the application of electron microscopy improved the knowledge of the pathology and classification of the pitutiary adenomas. We investigated the characteristics of the pituitary adenomas examined by the immunocytochemistry and electron microscopy. Methods: 44 patients with the pituitary adenomas were investigated, using immunocytochemical techniques in paraffin-embedded tissue, and electron microscopy in fresh tissue. Results: The mean age was 38±13 years, and the ratio of male to female was 1: 2.4 and 18 were prolactinomas, 8 acromegalies, 3 acromegalies with hyperprolactinemia, 3 Cushing`s diaseases, 3 FSH secreting adenomas, 1 TSH secreting adenomas, and 6 nonfunctioning adenomas among 44 patients. The agreement between serum prolactin and prolactin immunocytochemistry was 77.3% if the serum prolaetin level to predict lactotrope adenoma was above 50ng/ml; however, the agreement was 93,2% if the serum prolatin level above 100ng/ml. The serum levels of prolactin and growth hormone in sparsely granulated lactotrope and somatotrope adenomas were 1149.6, 109.5ng/ml, respectively, which were higher than those (129.6, 35.9ng/ml) of densely granulated ones. Immunocytochemical and electron microscopic analysis revealed that thirteen were lactotrope adenomas (12 sparsely granulated, and 1 densely granulated), 9 somatotrope adenomas (6 sparsely granulated and 3 densely granulated), 6 gonadotrope, 4 corticotrope (3 symtomatic and 1 silent), 1 mixed somatotrope and lactotrope, 1 mammosomatotrope, 1 thyrotrope, and 9 null cell (6 nononcocytic, and 3 oncocytic) adenomas. Conclusion: The immunocytochemistry, permitting the visualization of intracellular hormones in the tissue of the pituitary adenoma, made exact histologic diagnosis. So, we have known whether the cause of hyperprolactinemia was lactotrope adenoma or functional hyperprolactinemia due to PIF inhibiton. And it was also possible to diagnose silent corticotrope adenoma and gonadotrope adenoma which had no apparent clinical manifestation. Electron microscopic examination of the pituitary adenoma diagnosed by immunocytchemistry showed ultrastructrural characteristics of the adenoma cells containing each hormones, Accordingly, we could subclassify the pituitary adenoma. However, the identification of the adenomas with somewhat similar ultrastrutural features such as null cell, gonadotrope, and thyrotrope adenoma, may be facilitated by immunocytochemistry. Accordingly, both immunocytochemistry and electron microscopy are necessary for the identification and characterization of the pituitary adenomas.
인슐린 비의존형 당뇨병 환자에서 PABA 검사에 의한 췌장 기능의 평가
정춘희(Choon Hee Chung),안광진(Kwang Jin Ahn),이은직(Eun Jig Lee),최광준(Kwang Jun Choi),송영득(Young Duk Song),임승길(Sung Kil Lim),정재복(Jae Bok Chung),이상인(Sang In Lee),이현철(Hyun Chul Lee),허갑범(Kap Bum Huh) 대한내과학회 1992 대한내과학회지 Vol.43 No.1
Background and Methods: Exocrine pancreatic dysfunction is frequently seen in patients with fibrocal-culous pancreatic diabetes and insulin dependent diabetes mellitus. Also decreased pancreatic size in those patients has been reported. But exocrine dysfunction in patients with non-insulin dependent diabetes mellitus (NIDDM) is controversial. Simple tubeless PABA test has been widely used to test the chymotrypsin activity. In order to investigate the exocrine dysfunction in patients with NIDDM and to find out the factors affecting it, we performed PABA test and pancreatic size measurement in 20 diabetic patients and 8 controls. Results: 1) Excretion rate PABA in diabetic patients was significantly lower than that of healthy controls (58.3±17.5vs 76,5±11.49p, p<.0,05). 2) Among diabetic patients, underweight diabetics showed significantly lower excretion rate of PABA than non-underweight diabetics (50.2±18.5% vs 66,4±12,7%, p<0.05). 3) In non-underweight subjects, excretion rate of PABA was 66.4±12.7%, which is significantly lower than that of healthy controls (82.0±10.59%)(p<0.05), 4) In diabetic patients, urinary PABA excretion rate was not correlated with age, duration of diabetes mellitus, HbA1C and pancreatic size, but positively correlated with the ratio of ideal body weight. Conclusion: Exocrine pancreatic function was decreased in NIDDM patients and it seems to be negatively correlated with underweight