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Papillary Thyroid Microcarcinoma Manifesting as Axillary Lymph Node Metastasis: A Case Report
Hur Sung Mo 대한내분비외과학회 2023 The Koreran journal of Endocrine Surgery Vol.23 No.1
Axillary lymph node metastasis is rare in patients with papillary thyroid carcinoma (PTC). A 45-year-old woman presented with a palpable mass in the right axillary area. An excisional biopsy was performed and the pathological result revealed metastatic carcinoma. No abnormalities were observed in the breast imaging studies, chest computed tomography (CT), gastrointestinal endoscopy, colonoscopy, and positron emission tomography-CT except for nodes suspected to be residual pathological nodes in the right axilla and thyroid nodule. Thyroid ultrasound and fine-needle aspiration showed a PTC that was positive for BRAF mutation, measuring 0.8×0.6×0.9 cm in size, located in the isthmus of the thyroid gland. Immunohistochemical staining of the right axillary lymph node was positive for thyroglobulin. A total thyroidectomy with bilateral central neck and right axillary lymph node dissection was performed. After surgery, the patient received radioactive iodine treatment, and no abnormalities were observed upon imaging
Occult Breast Cancers Manifesting as Axillary Lymph Node Metastasis in Men: A Two-Case Report
Sung Mo Hur,Dong Hui Cho,Se-Kyung Lee,Min-Young Choi,Soo Youn Bae,Min Young Koo,김상민,남석진,이정언,Jung-Hyun Yang 한국유방암학회 2012 Journal of breast cancer Vol.15 No.3
Occult breast cancer is a type of breast cancer without any symptoms on the breasts or any abnormalities upon radiologic examination such as mammography. In males, there are few cases of breast cancer, the rate of diagnosis of occult breast cancer is very low, and little is known about this disease. We experienced two cases of occult breast cancers manifesting as axillary lymph node metastasis in men. They had a palpable lesion on axillary area several years ago and had not seen a doctor about it. As such there was no abnormality on evaluations for cancer except for axillary lymph node showing signs of carcinoma (primary or metastatic) on biopsy and estrogen receptor-positive and progesterone receptor-positive on immunohistochemistry. The patients were diagnosed with occult breast cancer, and treatments were performed. Herein, we report the rare cases of occult breast cancers in men.
Experience of treatment of patients with granulomatous lobular mastitis
Sung Mo Hur,Dong Hui Cho,Se Kyung Lee,Min-Young Choi,Soo Youn Bae,Min Young Koo,Sangmin Kim,Jun-Ho Choe,Jung-Han Kim,Jee Soo Kim,Seok-Jin Nam,Jung-Hyun Yang,Jeong Eon Lee 대한외과학회 2013 Annals of Surgical Treatment and Research(ASRT) Vol.85 No.1
Purpose: To present the author’s experience with various treatment methods of granulomatous lobular mastitis (GLM) and to determine effective treatment methods of GLM. Methods: Fifty patients who were diagnosed with GLM were classified into five groups based on the initial treatment methods they underwent, which included observation (n = 8), antibiotics (n = 3), steroid (n = 13), drainage (n = 14), and surgical excision (n = 12). The treatment processes in each group were examined and their clinical characteristics, treatment processes, and results were analyzed respectively. Results: Success rates with each initial treatment were observation, 87.5%; antibiotics, 33.3%; steroids, 30.8%; drainage, 28.6%; and surgical excision, 91.7%. In most cases of observation, the lesions were small and the symptoms were mild. A total of 23 patients underwent surgical excision during treatment. Surgical excision showed particularly fast recovery, high success rate (90.3%) and low recurrence rate (8.7%). Conclusion: The clinical course of GLM is complex and the outcome of each treatment type are variable. Surgery may play an important role when a lesion is determined to be mass-forming or appears localized as an abscess pocket during breast examination or imaging study.
허성모(Sung Mo Hur),김성훈(Sung Hoon Kim),이세경(Se Kyung Lee),김완욱(Wan Wook Kim),최재혁(Jae Hyuck Choi),김상민(Sangmin Kim),임소영(So Young Lim),변재경(Jai Kyung Pyon),문구현(Goo Hyun Mun),최준호(Jun-Ho Choe),이정언(Jeong Eon Lee) 대한외과학회 2010 Annals of Surgical Treatment and Research(ASRT) Vol.79 No.3
Purpose: The aim of this study was to evaluate the usefulness of sentinel lymph node (SLN) biopsy in the treatment of primary melanoma. Methods: Fifty-one cases that were diagnosed as malignant melanoma of the skin without clinical evidence of regional lymph node metastasis and underwent SLN biopsy at Samsung Medical Center were analyzed retrospectively. A lymphoscintigraphy with peritumoral injection of radionuclide was performed preoperatively. SLNs were identified using a hand-held gamma probe and by methylene blue dye injection intraoperatively. Results: Twenty patients (39%) had metastasis in the SLN and they underwent immediate complete radical dissection of the nodal basin. Among the 20 patients who had SLN metastasis, additional metastatic lymph nodes were detected in 5 patients after the complete lymph node dissection. When several clinico-pathologic parameters such as gender, age, primary tumor location, draining nodal basin, tumor depth and size of tumor were compared between SLN positive group and negative group, there was a significant difference in the mean thickness of melanoma between SLN (+) group (5±2.9 ㎜) and SLN (?) group (4.5±5.0 ㎜) (P<0.05). In the same way, as the thickness of melanoma increased, positive SLN were detected more frequently (P<0.05). Recurrences occurred in 18 patients (35.3%) during the follow-up period, but only one case in 31 patients with negative SLN recurred at the SLN basin without evidence of distant or loco-regional recurrence (false negative rate 4.8%). Lymphedema of extremity developed in 9 patients who underwent complete radical lymph node dissection and 2 patients who underwent only SLN biopsy had a very mild-form lymphedema. Conclusion: SLN biopsy in the treatment of cutaneous melanoma is a safe, useful and feasible method to identify status of regional lymph node with low false negative rates and low complications.
A Study on How to Improve Magnesium Anodizing Process with High Biocompatibility
Sang-jun Kwon,Jin-young Hur,Chang-Myeon Lee,Kwan-seop Jang,Sung-mo Moon,Hong-kee Lee 한국표면공학회 2015 한국표면공학회지 Vol.48 No.5
Anodization of die-casted AZ91D magnesium alloy was carried out using silicate based electrolyte solution instead of fluoride based solution to improve biocompatibility of oxidized layers. The anodic layer obtained from silicate based solution has smaller size of pore and smoother surface, resulting in lower corrosion rate in simulate body solution (SBF). Effect of enhanced structural and chemical properties in oxidized layer on biocompatibility was carefully considered.