Endocrinology and Metabolism

Bo Kwang Choi (Choi BK)

3 Articles

Pancytopenia Associated with Hypopituitarism in an Acromegaly Patient: A Case Report and a Review of the Literature.: Jung Hee Koh, Yong Jae Lee, Ji Hyun Kang, Bo Kwang Choi, Yun Kyung Jeon, Sang Soo Kim, Bo Hyun Kim, In Joo Kim; Endocrinol Metab. 2012;27(4):308-313. Published online December 20, 2012; DOI: https://doi.org/10.3803/EnM.2012.27.4.308

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We present the case of a patient with acromegaly who had pancytopenia with hypopituitarism secondary to the excision of a pituitary macroadenoma and radiation therapy. A 28-year-old man presented with pancytopenia and serum electrolyte abnormalities. He was diagnosed with acromegaly and underwent surgery and gamma-knife radiotherapy for a pituitary macroadenoma at the age of 22 years. A recent brain magnetic resonance imaging showed an empty sella, and the basal hormonal profile demonstrated deficiencies of pituitary hormones except thyrotropin. As presenting pancytopenia, his bone marrow biopsy showed hypocellular marrow. The total number of hemocytes increased after hydrocortisone replacement. Hypopituitarism was a possible cause of pancytopenia, and glucocorticoids had crucial effects on converting pancytopenia to normal in this case.

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A 24-Year-Old Male with Gigantism, Growth Hormone Deficiency, Suspected Clivus Chordoma, Primary Hypothyroidism, Hypogonadism and Pancytopenia
W.A. Arsana, M.I. Diah Pramudianti
INDONESIAN JOURNAL OF CLINICAL PATHOLOGY AND MEDICAL LABORATORY.2019; 26(2): 249. CrossRef
Hormones and the Bone Marrow: Panhypopituitarism and Pancytopenia in a Man with a Pituitary Adenoma
Dianna Lang, Jennifer S. Mead, David B. Sykes
Journal of General Internal Medicine.2015; 30(5): 692. CrossRef

A Case of Actinomycotic Thyroiditis in an Adult with Piriform Sinus Fistula.: Hyun Ju Choi, Bo Won Kim, Min Ji Shin, Bo Kwang Choi, Ji Hyun Kang, Yun Kyung Jeon, Sang Soo Kim, Bo Hyun Kim, In Ju Kim, Yong Ki Kim; Endocrinol Metab. 2012;27(3):222-226. Published online September 19, 2012; DOI: https://doi.org/10.3803/EnM.2012.27.3.222

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Abstract PDF

Acute suppurative thyroiditis is an uncommon infectious thyroid disease affecting mainly children and young adults. The route of infection is frequently a pyriform sinus fistula. The major pathogens responsible for acute bacterial suppurative thyroiditis are the Streptococcus and Staphylococcus species. In contrast, Actinomyces species are a very rare cause of acute suppurative thyroiditis. We experienced a case of a 23-year-old man who has presented general weakness and neck pain. Thyroid ultrasonography showed an ill-defined area of heterogeneous hypoechogenicity in the left lobe of the thyroid gland. Histologic examination by fine needle aspiration demonstrated gram-positive, filamentous-like organisms with branching hyphae and characteristic sulfur granules. Barium esophagogram showed a linear barium-filled track at the left pyriform sinus. We report a case of actinomycotic thyroiditis in a young adult with pyriform sinus fistula along with a brief review of related literature.

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A Case of Pyriform Sinus Fistula Concurrent with Papillary Thyroid Carcinoma in a 72-Year-Old Patient
Yun Young Jung, Dongbin Ahn, Heejin Kim, Jin Ho Sohn
Korean Journal of Otorhinolaryngology-Head and Neck Surgery.2015; 58(1): 48. CrossRef

A Case of Bilateral Struma Ovarii Combined with Subclinical Hyperthyroidism.: Sang Mi Kim, Bo Kwang Choi, Ji Hyun Kang, Mi Ra Kim, Yun Kyung Jeon, Sang Soo Kim, Bo Hyun Kim, In Ju Kim; Endocrinol Metab. 2012;27(1):72-76. Published online March 1, 2012; DOI: https://doi.org/10.3803/EnM.2012.27.1.72

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Struma ovarii is a rare monodermal variant of ovarian teratoma accounting for only 2% of all mature teratomas. To be classified as a struma ovarii, teratoma must be composed predominantly of mature thyroid tissue (> 50%). This tumor is generally benign, although malignant transformation has been reported. Struma ovarii occur mostly as unilateral cases, so bilateral cases are quite rare (less than 6% of cases). Struma ovarii occur largely without symptoms or are accompanied by non-specific symptoms, such as abdominal pain, a palpable abdominal mass, and abdominal distension. The preoperative diagnosis is generally difficult. The incidence of hyperthyroidism has been reported to be 5-10% of patients with struma ovarii. Thus, cases of functional bilateral struma ovarii are very rare. We report a case of bilateral struma ovarii with subclinical thyrotoxicosis and a diffuse goiter, mimicking a malignant ovarian tumor, and include a brief review of related literature.

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Benign Teratoma of the Thyroid Gland
Chan Young Oak, Hee Kyung Kim, Tae Mi Yoon, Sang Chul Lim, Hyun Bum Park, Hyung Chul Park, Min Gui Han, Ho-Cheol Kang
Endocrinology and Metabolism.2013; 28(2): 144. CrossRef
Metastatic follicular struma ovarii complicating pregnancy: a case report and review of the literature
Woohyung Lee, Nam-Joon Yi, Hyeyoung Kim, Youngrok Choi, Minsu Park, Geun Hong, June Young Choi, Hyun Hoon Chung, Kwang-Woong Lee, Do-Joon Park, Hye Sook Min, June-key Chung, Kyung-Suk Suh
Korean Journal of Hepato-Biliary-Pancreatic Surgery.2012; 16(3): 123. CrossRef

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