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Bong Kwon Chun  (Chun BK) 3 Articles
A Case of Idiopathic Myelofibrosis Associated with Acromegaly Patient.
Jun Young Song, Pyoung Rak Choi, Hong Jun You, Seong Hoon Shin, Yu Ri Kim, Young Sik Choi, Yo Han Park, Mi Hyang Kim, Bong Kwon Chun, Young Duk Joh
J Korean Endocr Soc. 2006;21(4):328-332.   Published online August 1, 2006
DOI: https://doi.org/10.3803/jkes.2006.21.4.328
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AbstractAbstract PDF
Acromegaly is a chronic condition resulting from the excessive secretion of growth hormone and insulin like growth factor 1, generally from pituitary adenoma. Although there have been several reports suggesting the possible association of hematologic malignancies with acromegaly, myelofibrosis with acromegaly is very rare. Here we report 54-year-old male patient with myelofibrosis accompanied with acromegaly. We treated this patient with low dose thalidomide (50 mg/day) and prednisone (30 mg/day). We reported this case with literature review.
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A Case of Pituitary Mucormycosis in Diabetic Patient with Acromegaly and Gastric Cancer.
Pyoung Rak Choi, Hong Jun Yu, Seung Wu Yang, Gyu Jong Kim, Hark Rim, Yu Ri Kim, Young Sik Choi, Yo Han Park, Bong Kwon Chun
J Korean Endocr Soc. 2006;21(3):245-250.   Published online June 1, 2006
DOI: https://doi.org/10.3803/jkes.2006.21.3.245
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  • 25 Download
  • 1 Crossref
AbstractAbstract PDF
Rhino-orbito-cerebral mucormycosis (ROCM) is an uncommon, acute, and aggressive fungal infection occurring in several immunocompromised states including poorly controlled diabetes. ROCM causes a very high residual morbidity and mortality due to the angioinvasion property of the fungus. Acromegaly is a chronic condition resulting from the excessive secretion of growth hormone, generally from pituitary adenoma. Although it has been demonstrated that acromegalic patients have an increased risk of neoplasm, gastric cancer with acromegaly is very rare. We experienced a case of pituitary mucormycosis in the diabetic patient with acromegaly and gastric cancer. The patient was treated successfully with subtotal gastrectomy for early gastric cancer, transsphenoidal surgery for pituitary adenoma, and a systemic application of amphotericin B for the mucormycosis.

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  • Optimization of ethanol extraction and further purification of isoflavones from soybean sprout cotyledon
    Seung Yong Cho, Yu Nam Lee, Hyun Jin Park
    Food Chemistry.2009; 117(2): 312.     CrossRef
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The Diahnostic Value of Ultrasound-Guided Fine Needle Aspiration Cytology in the Thyroid Indedentaloma.
Young Sik Choi, Kibum Kwon, Seong Man Kim, Yo Han Park, Kyung Seung Oh, Ji young Seo, Bong Kwon Chun, Hee Kyung Chang
J Korean Endocr Soc. 1999;14(1):71-80.   Published online January 1, 2001
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  • 18 Download
AbstractAbstract PDF
BACKGROUND
The introductian of highly sensitive imaging techniques has made it possible to detect many nonpalpable nodules, or incidentaloma. Because these nodules are small sized or deep seated, the diagnostic approach is difficult with conventional methods but it is easy with ultrasound-guided fine needle aspiration (FNA). However, the role of ultrasound-guided FNA on the incidentalomas has been poorly evaluated, so we tried to assess the diagnostic value of high resolution ultrasound-guided FNA in the incidentalomas. METHODS: One hundred forty-nine patients who underwent high resolution ultrasound-guide FNA for nonpalpable nodules that was smaller than 1.5 cm in diameter at Kosin Medical Center from June, 1996 to April, 1998 were included in the study. Ultrasound-guided FNA was performed with a 22-guage needle attached to 10 mL syringe with 10 MHz linear transducer in a free hand fashion. The aspirated materials were smeared and stained with Papanicolaou stain. For those who underwent surgery histopathologic diagnoses were compared to cytological diagnoses. RESULTS: The mean age of the patients was 45 and most of them were middle aged. Male to female ratio was 1:11.4. Of 149 patients 16 were involutional change, 55 hyperplasia, 42 Hashimotos thyroiditis, 8 follicular neoplasm, 19 papillary carcinoma, 1 subacute thyroiditis, and 6 inadequate specimen. Of the 149 nodules, 123 cases were solid, 11 cystic, and 15 mixed. Malignant nodules were more frequent in the solid nodule, but there was no significant difference between each group. Ten of 93 cases (10.7%) measured less than 1 cm and nine of 56 cases (16.1%) between 1.0 cm to 1,5 cm were malignant nodules. The difference of incidence rate of malignant nodules between each group was not significant. The incidence of malignancy was 13.6% (12/88) in solitary nodule and 11.5% (7/61) in multiple nodules. The difference of incidence rate of malignant nodules between each group was not significant. Eighteen cases including 14 malignancies diagnosed by FNA underwent operation. Of those 13 were papillary carcinoma and 5 adenomatous goiter. Upon the correlation of ultrasound-guided FNA cytology with pathologic diagnosis, the sensitivity of ultrasound-guided FNA cytology in differentiating benign and malignant nodule was 92.3% and overall diagnostic accuracy was 80.0%. The obtainability of adequate cytologic specimen by ultrasound-guided FNA was 95.9%. No complication except pain was noted during this study. CONCLUSION: High resolution ultrasound-guided FNA cytology may be useful for the diagnosis of thyroid cancer in the thyroid incidentalomas and also useful for early detection of recurrence of thyroid cancer .
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