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[P326] A case of eccrine spiradenoma on the arm
( Jee Hee Son ),( Yong Won Choi ),( Yong Se Cho ),( Bo Young Chung ),( Hye One Kim ),( Chun Wook Park ) 대한피부과학회 2017 대한피부과학회 학술발표대회집 Vol.69 No.1
Eccrine spiradenoma (ES) is a rare benign soft tissue tumor. It occur at any age, but typically affects young adults aged 15-35 years, with no sexual predilection. It presents as a solitary mass localized in the skin and subcutaneous tissue, smaller than 1 cm in size. Paroxysmal pain and tenderness may be present. It tends to arise on the upper part of the body. Rarely, it may be located on the upper and lower extremities. A 40-year-old man presented with a nodule on the extensor surface of his left forearm. He couldn`t remember when it formed. Initially, it showed no symptoms but with time, became painful. Physical examination revealed a slightly bluish to skin colored, hard mobile nodule on the left forearm measuring 1×1 cm in size. The initial clinical suspicion was epidermal cyst, trichilemmal cyst, or lipoma; thus, ultrasonography (US) was done. US results indicated a 10×7×10-mm well-defined oval isoechoic mass in the subcutaneous fat layer, with moderate hyperemia. A complicated epidermoid cyst, or other hypervascular mass, such as vascularized leiomyoma or a sarcoma (e.g., malignant fibrous histiocytoma) was suspected. Excisional biopsy was performed. Microscopic examination showed a deep, well-defined tumor with basophilic lobules, encapsulated by thick connective tissue in the dermis and subcutaneous layer. A trabecular arrangement of basophilic cells was present. Two types of cells were seen and he was diagnosed as ES.
An efficient approach for sequence matching in large DNA databases
Won, Jung-Im,Park, Sanghyun,Yoon, Jee-Hee,Kim, Sang-Wook Sage Publications 2006 JOURNAL OF INFORMATION SCIENCE Vol.32 No.1
<P>In molecular biology, DNA sequence matching is one of the most crucial operations. Since DNA databases contain a huge volume of sequences, fast indexes are essential for efficient processing of DNA sequence matching. In this paper, we first point out the problems of the suffix tree, an index structure widely-used for DNA sequence matching, in respect of storage overhead, search performance, and difficulty in seamless integration with DBMS. Then, we propose a new index structure that resolves such problems. The proposed index structure consists of two parts: the primary part realizes the trie as binary bit-string representation without any pointers, and the secondary part helps fast access to the trie's leaf nodes that need to be accessed for post-processing. We also suggest efficient algorithms based on that index for DNA sequence matching. To verify the superiority of the proposed approach, we conduct performance evaluation via a series of experiments. The results reveal that the proposed approach, which requires smaller storage space, can be a few orders of magnitude faster than the suffix tree.</P>
Bounce Forward Better: Geriatric and Gerontological Research in the Post-pandemic Future
Jee Hyun Noh,Hidenori Arai,Tung Wai Auyeung,Matteo Cesari,Walter R. Frontera,Hyuk Ga,Hee-Won Jung,Wee Shiong Lim,Jae Young Lim 대한노인병학회 2022 Annals of geriatric medicine and research Vol.26 No.4
In recent years, we have faced challenges in managing coronavirus disease 2019 (COVID-19), especially in older adults. The pandemic has precipitated a global health crisis that impeded older adults from maintaining their health. Disruption of the routine management of chronic diseases, physical inactivity deteriorating physical function and quality of life, malnutrition, and mental disorders have been suggested as major threats to the health of older adults. To address these problems and facilitate reactivation of normal care activities, this article summarizes the contents of a webinar held by the Annals of Geriatric Medicine and Research (AGMR) regarding the future directions of geriatric medicine and research in the post-COVID-19 era.