• Journal of Oral Medicine and Pain
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• 제38권2호
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• pp.97-101
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• 2013

모설(hairy tongue)은 혀의 사상유두(filiform papillae)가 과도하게 신장되어 발생하는 질환이다. 임상적으로 혀의 배면후방 1/3 부위에 주로 발생하며, 혀의 측면과 첨부에 생기는 경우는 드물다. 섭취하는 음식물과 색소유발 박테리아 등에 따라 백색에서 갈색, 검은색까지 다양한 색의 착색을 보인다. 대부분 증상이 없지만, 환자들은 주로 심미적인 문제로 병원을 찾으며, 드물게 오심, 구취, 미각이상, 불쾌한 느낌 등을 유발할 수 있다. 정확한 병인은 알려져 있지 않지만, 구강위생 관리 소홀, 구강 내 세균총의 변화, 감염, 방사선치료, 항생제, 면역 억제제 등의 사용, 과도한 음주, 흡연, 타액분비 감소 등이 소인으로 작용할 수 있다. 임상 소견이 매우 전형적이므로 육안으로도 진단이 충분히 가능하며, 생검은 필요하지 않다. 모설의 치료는 기본적인 유발요인들을 찾아서 제거해 주며, tongue cleaner 등을 이용해 혀를 부드럽게 닦아주도록 교육하고, 일부 경우에 있어서는 keratolytic agent를 사용하기도 한다. 모설 치료에 외과적 술식을 사용하는 경우는 드물지만, 유발 요인 제거 등의 다양한 치료법을 적용하였음에도 불구하고 장기간 호전이 없는 모설 환자에서, 이산화탄소 레이저(Carbondioxide laser, $CO_2$ laser)를 적용하여 효과적으로 치료한 증례를 보고하고자 한다.

• 한국토양동물학회지
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• 제4권2호
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• pp.89-100
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• 1999

捕食線蟲目 (Mononchida)의 4신종을 기재하였다; Iotonchus obtusus sp. n.는 체장이 2.8 mm, a=33, b=4.2, c=61, V=68, 口腔은 61${\times}$45 ${\mu}$m이고, 背部齒는 基部에 있고, 陰門突起가 있으며, 꼬리는 짧고 반원형이며 末端部의 표피는 두꺼운 것이 특징이다. Miconchus valvapapillatum sp. n.는 體長이 2.7-3.6 mm, a=29-36, b=4.1-4.5, c=18.4-21, V=65-69, 口腔은 53-61${\times}$29-33 ${\mu}$m, 交接刺는 132-137 ${\mu}$m, 復中央補助突起는 28-31개이며, 陰門 前後方에 5-8개의 연속적인 돌기를 가지며, 3쌍의 陰門腺이 있다. Clarkus koreanus sp. n.는 體長이 1.1-1.3 mm, a=27.5-28.8, b=3.5-3.9, c=12-14.5, V=60-64, 口腔은 24-28${\times}$13.5-15 ${\mu}$m이고, 口脣部는 잘 區劃졌고, 雙器는 背部齒에 대해서 후방에 있으며, 陰脣을 가진다. Coomansus ulsani sp. n.는 體長이 1.2-1.5 mm이고, a=23.5-26, b=3.4-3.8, c=13.6-14.8, V=65-68, 口腔은 36-39${\times}$21-23 ${\mu}$m이고, 口脣部는 잘 區劃졌고 口腔壁은 1줄의 가는 세로 隆起部가 있다.

• Animal Systematics, Evolution and Diversity
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• 제31권3호
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• pp.153-159
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• 2015

A terebellid polychaete identified as Pista shizugawaensis Nishi and Tanaka, 2006, whose species validity has been doubted, is newly reported from the southwest coast of Korea. Korean materials of the present study have several characteristics that agree well with the original description of P. shizugawaensis as follows: two pairs of branchiae on the 2nd and 3rd segments have tufts composed of many dichotomously branched filaments; the nephridial papillae are present on the 6th and 7th segments; the uncini on the anterior and middle thoracic segments possess only long-handled shafts while those on the posterior ones have additional short-handled shafts or lacking shafts; the notosetae are broadly or narrowly winged capillary. The authors examined the taxonomic value of the presence of lateral lobes on the 5th and 6th segments, which has been known as a key characteristic feature of P. shizugawaensis in the classification of Pista species. In the present study, several characteristics such as the shape of notosetae, uncinial shafts in the thoracic segments, and the presence of thin narrow lateral lobes on the 4th segment are suggested as the specific characteristics that help to distinguish P. shizugawaensis from its congeners. A key to Pista species from Korean waters is also provided.

• Parasites, Hosts and Diseases
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• 제55권2호
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• pp.219-224
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• 2017

In July 2012, philometrid nematodes were discovered in cultured rockfish (Sebastes schlegeli) in Cheonsuman (Bay), the Republic of Korea. The nematodes were detected in the epithelial tissues of the rockfish and were identified as Clavinema mariae based on morphological studies using light and scanning electron microscopy. They revealed the characteristics same as previously identified C. mariae, notably having a long body with narrow posterior half, no caudal projection, a cylindrical-shaped esophagus, a well-developed anterior bulbous part of the esophagus, cephalic papillae, and a dorsal esophageal gland. This is the first confirmation of C. mariae infection in rockfish in Korea.

• 치과방사선
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• 제13권1호
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• pp.17-27
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• 1983

The author observed the effects of /sup 60/Co irradiation on the development and subcellular structure of tongue tissue of the fetal rats. The lower left abdomen of mothers were exposed to radiation on 15½th day of gestation with 300R. The fetuses were removed on the 6hr, 14hr, 24hr, 48hr and 72hr after irradiation and the light microscopic and electron microscopic observations of the lingual epithelium, lamina propria and muscle layer were carried out. The results were as follows: 1. The irradiated fetuses showed the retardation of filiform papillae formation. 2. Epithelial cells revealed fusion and myelination of mitochondria, large autolysosomes, increased lipid droplets, retardation of tonofilaments and desmosome formation. 3. In the lamina propria, undifferentiated cells showed bleb formation of nuclear membrane, pyknosis and fragmentation of nucleus, edema of cytoplasm I and nucleus, increased auto-lysosomes, dilatation of cell membrane and cell necrosis. Also, collagenous fibril formation was inhibited by irradiation. 4. In the muscle layer, growth of myotubes was inhibited. Myotubes showed swelling of mitochondria, loss of mitochondrial cristae, autolysosomes, retardation of myofibril formation, and large vacuoles. Undifferentiated cells adjacent myotube contained pyknotic nucleus and autolysosomes. 5. Among the various tissues of tongue, it seems that mesenchymal cells were most radiosensitive.

• Asian Pacific Journal of Cancer Prevention
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• 제17권9호
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• pp.4363-4365
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• 2016

Background: The complex anatomy of the pancreaticobiliary duct was crucial in management of pancreatic and biliary tract disease. Materials and Methods: Fresh specimens of pancreas, common bile duct (CBD), and duodenum were obtained en bloc from autopsies of 160 patients. Results: Ninety-three male and 67 female patients were included. The length of the pancreas ranged from 9.8-20 cm (mean, 16.20 +/- 1.70 cm). The intrapancreatic portion of the CBD showed patterns of three types: most common (85.30%) was type A, in which the anterior surface of the common bile duct was totally covered, while its posterior surface was partially covered, by the pancreatic parenchyma. On dissection of the accessory duct of Santorini, the accessory duct was traceable to the duodenal wall in 67.6%. The anatomy of the Wirsung-choledochus confluence was grouped into five different types. The common channel was found in 75.60% and its length varied from just a common junction (so-called "V-type" anatomy) to 15 mm (Y-type-b). Separate papillae (so-called "II-type") were found in 15.3% of specimens. Conclusions: Several important points regarding the anatomy of the pancreaticobiliary junction and pancreatic ductal system were illustrated in this study.

• Animal Systematics, Evolution and Diversity
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• 제13권2호
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• pp.93-102
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• 1997

조간대와 수심 20m 미만의 조하대 모래틈에서 채집한 해양 완보류 2신종 - Batillipes longispinosus n. sp., B. orientalis n. sp. - 을 기재한다. 이들 2신종은 미성숙 개체와 성체 모두에서 몸통 뒷부분에 돌기가 없으며 머리에 난 여러 돌기들이 길다는 점, 제 4다리위에 긴돌기를 가진다는 점에서 특징적이다. B. longispinosus n. sp.는 Batillipes 속에 기록된 21종 중에서 B. tubernatis Pollock과 가장 유사하나 4번째 다리에 긴 돌기를 가지는 점에서 다르다. 또한 B. orientalis n. sp. 는 몸 측면 돌기를 가진다는 점에서 B. roscoffensis Kristensen와 닮았으나 머리의 모양과 4번째 다리에 긴 돌기를 가지는 점에서 뚜렷하게 구별된다.

• The Plant Pathology Journal
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• 제19권6호
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• pp.291-293
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• 2003

Leaf spot and blight disease of tree peony (Paeonia suffruticosa Andr.) was found in an apartment garden in Daegu in May 2003 for the first time in Korea. The causal organism was identified as Phytophthora cactorum (Leb. And Cohn) Schroeter. The causal fungus was homothallic, and produced distinctively papillate, ovoid to subspherical, and caducous sporangia with pedicel. Sporangia that formed in water measured 23.4-42.9$\times$21.5-35.1 $\mu\textrm{m}$ in range with an average of 35.3$\pm$4.6${\times}$26.9$\pm$36.0 $\mu\textrm{m}$, I/b ratio=1.31, papillae approximately 3.7 $\mu\textrm{m}$ high, and pedicels 2.8 $\mu\textrm{m}$ long. Oogonia were spherical and 21.5-37.1 $\mu\textrm{m}$ in diameter with an average of 29.6$\pm$4.9 $\mu\textrm{m}$. Oospores were spherical, mostly plerotic, and light orange brown when mature, and measured 19.5-31.2 $\mu\textrm{m}$ in diameter with an average of 25.2$\pm$4.4 $\mu\textrm{m}$. Antheridia were almost ovoid or club-shaped and 1l.7-15.6$\times$9.8-11.7 $\mu\textrm{m}$ in size.

• Animal Systematics, Evolution and Diversity
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• 제31권4호
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• pp.209-246
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• 2015

Morphological features of larvae and pupae of twelve species of Simulium (Simulium) from Korea are investigated and redescribed. Detailed descriptions of immature stages of each species are provided with photographs. For the Korean members of subgenus Simulium, combinations of the following characteristics can be used to separate them from other Korean subgenera: larval abdomen without a pair of conical-shaped ventral tubercles; postgenal cleft variously shaped, viz., miter shaped, spearhead, bullet shaped or triangular; rectal papillae 3 simple lobe or compound lobes; pupal gill of 6-16 filaments; cocoon shoe, boot or slipper shaped; and head trichomes 3 pairs (1 facial+2 frontal). Habitat information and other ecological aspects of each species are provided. Updated keys to larvae and pupae of the Korean species of the subgenus Simulium are also provided to facilitate species identification. Taxonomic treatment based on external morphologies of larvae and pupae of Korean species of the subgenus Simulium are focused and included in this study. To understand their interspecific relationships, phylogenetic analyses using multiple data from molecule, morphology, and ecology are warranted in future research. Also continued exploration for new character systems is needed to establish more stable boundaries for subgenus and species delimitations.

• 대한세포병리학회지
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• 제16권2호
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• pp.88-92
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• 2005

Mucious cystic neoplasm of pancreas is a cystic neoplasm composed of columnar, mucin-producing epithelium and is supported by ovarian-type stroma. The key to the cytologic evaluation of pancreatic cystic lesions is to recognize the cytologic components as being diagnostic of a mucin-producing cystic neoplasm, as all of these neoplasms need to be resected. We report the use of fine needle aspiration cytology in the diagnosis of an invasive mucinous cystic carcinoma confirmed by partial pancreatectomy. The cytologic specimen showed a abundant mucin background and sheets or papillae of neoplastic cells. There are mucin-containing columnar cells that show a variable degree of cytologic atypia.