Langerhans cell histiocytosis (LCH) is a rare disease that arises from an abnormal increase in histiocytes. Due to its rare occurrence, the diagnosis of LCH is often delayed or missed. This report presents a case of LCH in a 16-month-old girl. After biopsy, the patient’s previous medical records were obtained. The records described the presence of a yellowish plaque on the forehead since birth, a characteristic feature of LCH. Earlier knowledge of this medical history would have helped facilitate the diagnosis of LCH. This report aims to inform clinicians of the clinical and histopathological features of LCH in order to aid in the early diagnosis of this disease, which can occur in infancy.
Developing small learner and native corpora, this case study examines how Korean L2 learners used six types of lexical collocations in L2 writing to address (a) the frequency and acceptability of learner collocations, (b) problematic constituents of deviant collocations, and (c) possible sources of the learner difficulties. The overall frequency (about 8% of each corpus) and relative frequencies of each collocation type were similar between the learner and native corpora in descending order of adjective-noun, verb-noun, noun-noun, adverb-verb, adverb-adjective, and noun-verb combinations. The average and individual acceptability rates of each collocation type were around 70% and the problematic constituents were found both in nodes and collocates. L2 influence on learner difficulties mostly lied in confusions about synonyms, overuse of delexical verbs, and use of correct collocations in wrong contexts. Relying on L1 semantic representations, the learners produced non-habitual combinations, misrepresented the intended meaning, and paraphrased L2 collocations. Pedagogical implications arose for teaching L2 collocations about the importance of considering the immediate context of L2 writing and taking different approaches to different types of collocations.
Most previous studies on dinoflagellates in Korean coastal areas were conducted without morphological descriptions and illustrations of the observed dinoflagellates. This indicates that the species and diversity of dinoflagellates may have been respectively misidentified and underestimated in the past, probably due to cell shrinkage, distortion and loss caused by sample fixation. This study provides information on the morphological observations of four dinoflagellate orders (Prorocentrales, Dinophysiales, Gonyaulacales and Gymnodiniales) from Jangmok Harbour in Jinhae Bay, Korea. The unfixed samples were collected weekly from December 2013 to February 2015. A total of 13 genera and 30 species were identified using light and scanning electron microscopy, although some samples were not clarified at the species level. Harmful dinoflagellates, Prorocentrum donghaiense, Tripos furca, Alexandrium affine, A. fundyense, Akashiwo sanguinea and Cochlodinium polykrikoides, were identified based on the morphological observations. The results also reflect the occurrence and identification of dinoflagellates that had not been previously recorded in Jangmok Harbour.
The aim of this study is to improve satisfaction with Namhae coastal landscape by analysing the image and satisfaction level that visitors have of Daraengyi village. The result of study is summarized as follows. According to the analysis of image and satisfaction, ‘harmony with nature and ecology (sea and mountain)’, and ‘cleanliness of travel destination’ were evaluated highly while ‘variety of several events’, and ‘appropriacy of education program’ got a low evaluation and ‘the satisfaction level’ was found to be high. The image and satisfaction with coastal landscape variables were; experience factor; familiarity factor; variety factor; scenery factor; service factor etc. The image and satisfaction factor of the target area was found to affect overall satisfaction. It was also found that overall satisfaction differed depending on use pattern (the reason of visit, the length of one’s visit and the repeat visit intention). To improve satisfaction with coastal landscape and induce revitalization, Daraengyi village should solve the problems highlighted by the five factors, and strive for the image improvement and management development.
A primary infection with Toxoplasma gondii is usually asymptomatic, but some patients may have cervical lymphadenopathy and ocular disease. Toxoplasmosis is a common cause of lymphadenopathy. However, histopathologic examination to diagnose it usually does not reveal toxoplasmic cysts. Diagnosis of toxoplasmosis can be established by serological techniques or by direct detection of the parasite. Therefore, it is necessary to recognize the characteristic histopathological findings of toxoplasmic lymphadenitis and to confirm by serological or PCR results for toxoplasmosis. We describe histopathologic features of a case of toxoplasmic lymphadenitis with review of the literature, confirmed by serological evidence in a 50-year-old man.
In order to address housing issues, alleviate the concentration of urban populations, and resolve other issues regarding residential spaces, large residential complexes have been developed in Korea since the 1970s. The changes to the residential culture due to such development projects propagated rapidly, making the apartment complexes the most representative form of housing in Korea. In developing such large-scale complexes, plans for public open spaces, which play an important role in formulating the quality of residential environment, have been mostly the same, only utilizing the spaces remaining after planning other types of spaces. The current study looks at the case of Tama New Town development project, a Japanese new town development project that has a similar public open space system in large scale residential complex development projects in Korea. In doing so, the current study aims to identify the features of public open space plans. In the conclusion, the study first finds that various public open spaces must be reviewed and introduced in term of predicting social demands. Second, the study suggests the policy-makers should actively introduce pedestrian paths as a public open space. Third, the study deduces the planning implications of applying the principle of original landscape preservation.