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곽슬기,김춘동,백훈희,황준연 대한이비인후과학회 2014 대한이비인후과학회지 두경부외과학 Vol.57 No.12
Renal cell carcinoma (RCC) is known for its high propensity for early metastasis and one third of patients diagnosed with RCC present with metastatic disease at the time of diagnosis. RCC commonly metastasizes to the lung, bone, liver, brain, and skin by hematogenous spread, whereas metastasis to the head and neck region is rarer. In cases of head and neck metastasis, the thyroid accounts for a large percent. Parotid metastasis from renal cell carcinoma is an extremely rare finding. We recently encountered a 67-year-old man with left parotid mass and finally diagnosed as metastatic renal cell carcinoma. We report the rare case with a review of literature. Korean J Otorhinolaryngol-Head Neck Surg 2014;57(12):858-60
편평 상피세포 암종과 육아종이 공존한 후방 성문부 종물 1예
곽슬기,김춘동,김은주,김승우 대한이비인후과학회 2016 대한이비인후과학회지 두경부외과학 Vol.59 No.3
The laryngeal granuloma (LG) is non-neoplastic lesion that mainly develops in the posterior vocal folds. It is welknown that mis- or overuse of voice, habitual coughing, and endotracheal intubation can become the cause of LG. The laryngopharyngeal reflux also comes into the spotlight as an etiologic factor. Although LG has a tendency to recur easily, it is not a premalignant lesion. The co-existence with granuloma and laryngeal cancer has not been reported earlier. Recently, we encountered a 72-year-old man with a posterior glottic mass, which was diagnosed as squamous cell carcinoma coexisting with granuloma. To our knowledge, this is a first report on two coexisting carcinomas in the glottis. Korean J Otorhinolaryngol-Head Neck Surg 2016;59(3):246-9
다발성 하부 뇌신경마비를 동반한 중심성 뇌기저부 골수염 1예
곽슬기,사대진,김윤정,김승우 대한이비인후과학회 2014 대한이비인후과학회지 두경부외과학 Vol.57 No.7
In most cases, skull base osteomyelitis arises from infections of external auditory canal, middle ear or paranasal sinuses. On the other hand, atypical or central skull base osteomyelitis has no evidence of external otitis or other infection sources. It is often found located on clivus and involves lower cranial nerves and brainstem through the foramina of skull base. The overall rate of mortality reaches 10% and long-term neurologic sequelae are seen in additional 31% of cases regardless of aggressive treatment. We recently encountered a 68-year-old man with right facial pain and generalized headache, and we achieved good outcome with the recovery of vocal cord palsy and disappearance of headache by surgical debridement and long-term antibiotics. We report it with a review of literature. Korean J Otorhinolaryngol-Head Neck Surg 2014;57(7):489-92
곽슬기,백훈희,김윤정,김승우 대한이비인후과학회 2015 대한이비인후과학회지 두경부외과학 Vol.58 No.4
Mucosa-associated lymphoid tissue (MALT) lymphoma, known as a distinctive type of non-Hodgkin’s lymphoma, is an extranodal marginal zone B-cell lymphoma. It most frequently occurs in the stomach but has also been described in various non-gastrointestinal lesions, such as the salivary glands, conjunctiva, thyroid, orbit, lung, breast, kidney, liver, and prostate etc. It occurs very rarely in buccal mucosa. The MALT lymphoma tends to remain localized for long periods and respond to locally direct therapy. We recently encountered an 80-year-old male presenting with a foreign body sensation in the oral cavity; he was finally diagnosed as MALT lymphoma. We report this rare and unique case with a review of literature.
곽슬기,김춘동,김윤정,김승우 대한비과학회 2015 Journal of rhinology Vol.22 No.1
Schwannomas are benign neoplasms arising from the sheath of myelinated nerve fibers and may occur in any part of the body. They mostly occur in the head and neck region, accounting for about 25% to 45% of all cases. The eighth cranial nerve is the most common site of origin. About 4% of all head and neck schwannomas originate in the nasal cavity and paranasal sinuses. The best treatment of schwannomas is surgical excision. Since it is an encapsulated tumor, difficultly is rarely encountered in its complete removal, and recurrence is unlikely. We present a unique and rare case of a 71-year-old man with a recurrent septal mass, finally diagnosed as a schwannoma, with a review of the literature.
무통성 결절 양상의 갑상선에 발생한 만성 육아종성 염증 1예
곽슬기(Seul Gi Kwak),최전하(Jeon Ha Choi),김윤정(Yoon Jung Kim),김승우(Seung Woo Kim) 대한두경부종양학회 2013 대한두경부 종양학회지 Vol.29 No.2
Some clinical diseases, such as granulomatous thyroiditis, tuberculosis, and sarcoidosis can cause granuloma-tous inflammation in thyroid, and theses have various clinical presentations. Granulomatous thyroiditis is an in-flammation of thyroid gland, and may be painful and tender in case of infection, radiation, or trauma. Otherwise, autoimmune conditions, medications, or an idiopathic fibrosis may cause to be a painless thyroididtis. It is self-limited, possibly viral, inflammatory thyroid disorder usually presented with thyroid pain and systemic symp-toms. Tuberculosis of the thyroid occurs only rarely and the patient may be asymptomatic. In thyroid sarcoidosis, most common findings are painless, progressive enlargement of the thyroid with normal function. We have expe-rienced a case of chronic granulomatous inflammation of thyroid gland presenting as a painless thyroid nodule and report it with a review of literature.
곽슬기(Seul Gi Kwak),김춘동(Choon Dong Kim):김은주(Eun Ju Kim),김승우(Seung Woo Kim) 대한두경부종양학회 2014 대한두경부 종양학회지 Vol.30 No.2
Salivary gland tumors take possession of almost 5% in head and neck malignancies. Among these, mucoepider-moid carcinoma(MEC) is most common malignany in major salivary glands(12-29%) and the parotid gland is most predilection site. Intra-oral MEC has a tendency to various locations, and the predilection sites are palate, cheek, mandible, lip and tongue in order of frequency. A few cases of MEC are occurred in with retromolar trigone, oro-pharynx, and ectopic salivary gland. Recently, we experienced a-65-year old woman with retromolar trigonal mass, and she was finally diagnosed as MEC. We report it with review of literature.
곽슬기(Seul Gi Kwak),김춘동(Choon Dong Kim),김윤정(Yoon Jung Kim),김승우(Seung Woo Kim) 대한두경부종양학회 2015 대한두경부 종양학회지 Vol.31 No.1
The Mantle cell lymphoma(MCL) is a relatively rare subtype of malignant lymphoma characterized by chromo-somal translocation t(11 ; 14)(q13 ; q32), positive response for CD5, and nuclear cyclin D1. It is account for an esti-mated 3-6% of all non-Hodgkin’s lymphoma. The involvement of extra-nodal site is not uncommon, whereas sali-vary glands are rarely affected. It is more commonly occurred in men and old age and approximately 75% of cases are diagnosed with advanced stage. It is usually characterized by an aggressive clinical course, and the prognosis is poorer than other type of head and neck lymphoma. We recently encountered a 69-year-old female with mass in pa-rotid tail and upper neck, and it was diagnosed as mantle cell lymphoma. We report the unique case with a review of literature.
딸기 위황병원균 Fusarium oxysporum f sp. fragariae의 살균제 감수성 평가
권슬기(Seul Ki Kwon),전창욱(Chang-Wook Jeon),남명현(Myeong Hyeon Nam),곽연식(Youn-Sig Kwak) 한국농약과학회 2020 농약과학회지 Vol.24 No.1
Strawberry is an important cash crop worldwide and mainly produced in China, the United States, Mexico, Egypt, Turkey, and Spain. In Korea, it is also an economically valuable agriculture product of about $ 667 million annually. Fusarium wilt (Fusiarum oxysporum), anthracnose (Colletotrichum spp.) and gray mold (Botrytis cinerea) disease have been known as major biological problems in strawberry production. Fusarium wilt management depended on the disease-free plant and soil fumigants, but no appropriate fungicides have been selected. In this study, EC<SUB>50</SUB> values of three fungicides were evaluated for 93 Fusarium oxysporum f sp. fragariae strains isolated from five regions nationwide. ANOVA analyses and Duncan’s test to investigate the relationship between EC<SUB>50</SUB> values and biological factors were studied. The most important finding in this study was that EC<SUB>50</SUB> of Tebuconazole was significantly different by location and EC<SUB>50</SUB> of Prochloraz Mn showed segregation based on the strawberry variety. Copper hydroxide showed no correlation with environmental parameters. The results will provide a piece of fundamental knowledge for preserving the strawberry Fusarium wilt disease.
권슬기(Seul Ki Kwon),전창욱(Chang-Wook Jeon),곽연식(Youn-Sig Kwak) 한국농약과학회 2020 농약과학회지 Vol.24 No.1
Peucedanum japonicum is a subtropical annual plant belonging to the family Apiaceae. P. japonicum leaves and roots were used as home remedies, such as cough and neuralgia. Fusarium solani in P. japonicum has been described as a causal pathogen for the wilt disease. In Korea the pathogen has not yet been identified. Of the five selected fungicides, the control value of propaocarb hydrochloride and hymexazol exceeded 80%. The results suggest that these fungicides are appropriate for controlling Fusarium wilt in P. japonicum as chemical control agents.