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Do Yeun Cho  (Cho DY) 2 Articles
A Case of Graves' Disease associated with Idiopathic Thrombocytopenic Purpura.
Wan Ho Kim, Eun Kyoung Choi, Se Hee Yoon, In Beom Jeong, Do Yeun Cho, Keun Yong Park
J Korean Endocr Soc. 2005;20(3):289-293.   Published online June 1, 2005
DOI: https://doi.org/10.3803/jkes.2005.20.3.289
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AbstractAbstract PDF
The association of Graves' disease and idiopathic thrombocytopenic purpura(ITP) is a rather rare, but well documented condition, and has also been reported a few times in Korea. At present, two main hypothetical mechanisms are used to explain the association of the two diseases; the presence of autoimmunity, which leads to both diseases, and activation of the reticuloendothelial system by thyroid hormone. A 33 year old female patient visited our hospital with mucosal bleeding and purpura over her entire body of 3 days duration. Her initial platelet count was 2x109/L, and the thyroid function tests showed a suppressed TSH level of 0.09 mU/L(0.4~3.1) and elevated levels of triiodothyronine and free thyroxine. The levels of anti-thyroglobulin Ab anti-TPO Ab, and anti-TSH receptor Ab were also elevated. The clinical, laboratory and bone marrow findings were compatible with Graves' disease associated with ITP. She was treated with methylprednisolone and propylthiouracil, after which her platelet count increased and thyroid function normalized. We report a case of Graves' disease associated with ITP, which was treated well by glucocorticoid and antithyroid medications
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A Case of Adrenocortical Carcinoma with Concurrent Cushing's Syndrome and Primary Aldosteronism.
Chang Won Lee, Hyun Ju Yoon, Won Min Hwang, Jung Kyu Kim, Hoon Sup Koo, Dong Mee Lim, Eu Gene Choi, Moon Jun Na, Do Yeun Cho, Bum Kyeong Kim, In Seok Choi, Keun Young Park
J Korean Endocr Soc. 2004;19(4):446-451.   Published online August 1, 2004
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AbstractAbstract PDF
An adrenocortical carcinoma is a rare malignancy, which is associated with a poor prognosis. Eighty percent of adrenal tumors are functional, and commonly secrete glucocorticoids alone (45%), glucocorticoids and androgens (45%) or androgen alone (10%). Less than 1% of all cases secrete aldosterone. A case of a 75 year old female patient was experienced, presenting with anadrenocortical carcinoma and associated concurrent Cushing's syndrome and primary aldosteronism. She had complained of left flank pain for 5 months, and also showed clinical features of Cushing's syndrome, hypertension, hypokalemia and a left abdominal mass. An abdominal CT* demonstrated a large left adrenal mass, with necrosis, and a hemorrhage in the left upper abdomen. The plasma renin activity was 0.51 ng/ml/hr, and the serum aldosterone level was increased by 46.4 ng/dL. A low and high dose dexamethasone suppression test revealed no suppression. Histologically, the tumor was diagnosed as a adrenocortical carcinoma. After complete removal of the mass, she received mitotan and prednisolone as adjuvant therapies. Liver and bone metastasis occurred after 6 months of treatment, so was treated with palliative radiotherapy for the bone metastasis
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