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JYMS : Journal of Yeungnam Medical Science

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Jung Hun Lee 2 Articles
Recurrent thymic carcinoid tumor in familial isolated primary hyperparathyroidism.
Jeong Eun Song, Mu Hyun Shon, Ga Young Kim, Da Young Lee, Jung Hun Lee, Jong Ho Kim, Ho Sang Shon, Ji Hyun Lee, Eon Ju Jeon, Eui Dal Jung
Yeungnam Univ J Med. 2014;31(2):131-134.   Published online December 31, 2014
DOI: https://doi.org/10.12701/yujm.2014.31.2.131
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AbstractAbstract PDF
Familial isolated primary hyperparathyroidism(FIPH) is associated with multiple endocrine neoplasia type 1 (MEN1) syndrome, primary hyperparathyroidism accompanied by jaw-tumor syndrome, and familial hypocalciuric hypercalcemia. FIPH may be an early stage of MEN1 or an allelic variant of MEN1. Thymic carcinoid tumor is a rare tumor in MEN1 syndrome. Here, the authors report the case of a 40-year-old man diagnosed with recurrent thymic carcinoid tumor and FIPH. Both the patient and his elder sister had been previously diagnosed to have FIPH with a novel frameshift mutation in the MEN1 gene. Initially, the patient underwent thymectomy because of an incidental finding of a mediastinal mass in his chest X-ray, and had remained asymptomatic over the following 4 years. Pancreas computed tomography conducted to evaluate MEN1 syndrome revealed anterior and middle mediastinal masses, and resultantly, massive mass excision was performed. Histological findings disclosed atypical carcinoids with infiltrative margins. In view of the thymic carcinoid tumor relapse that occurred in this patient, the authors recommend that regular pancreas and pituitary imaging studies be conducted for FIPH associated with a MEN1 gene mutation.
A Case of Pyoderma Gangrenosum in Rheumotoid Arthritis Patient.
Dong Hwan Ryu, Chang Mo Kwon, Jung Hun Lee, Young Hun Hong, Choong Ki Lee
Yeungnam Univ J Med. 2003;20(1):79-84.   Published online June 30, 2003
DOI: https://doi.org/10.12701/yujm.2003.20.1.79
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AbstractAbstract PDF
Pyoderma gangrenosum is uncommon neutrophilic dermatosis characterized by richness of the mature neutrophilic polynuclear dermal infiltrate. Pyoderma gangrenosum is associated with variable diseases, most commonly inflammatory bowel disease, hematological diseases, malignancies, but it is reported rarely in rheumatoid arthritis. We report a case of pyoderma gangrenosum in rheumoid arthritis patient. A 50-year-old woman admitted to our hospital due to painful pretibial ulcerative skin lesions. She had been treated as rheumatoid arthritis for 8 years. At admission, body temperature was 36.5degrees C and other vital sign was unremarkable. Physical examination revealed right pretibial ulceration, multiple pustules on left pretibial area and both palms. Laboratory studies revealed WBC count 7,600/uL (neutrophils 60.3%, eosinophil 3.2%), hemoglobin 11.4 g/dL, platelet count 319,000/uL, ESR 65 mm/hour. Other lab findings were also unremarkable. Skin biopsy was done, which showed dense dermal infiltrate of neutrophils and wound culture were negative. By 8 weeks after systemic high dose corticosteroid (1 mg/kg/day), cyclosporine A (5 mg/kg/day), sulfasalazine 2 g therapy, symptoms and skin ulceration were being improved. Without skin relapse, she is followed up our hospital with low dose corticosteroid and sulfasalazine.

JYMS : Journal of Yeungnam Medical Science