• Title/Summary/Keyword: 소견과 형태

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The nutlet morphology of the genus Glechoma L. (Lamiaceae) and its related taxa (긴병꽃풀속(Glechoma L. 꿀풀과) 및 근연분류군의 소견과 형태에 관한 연구)

  • Jang, Tae-Soo;Hong, Suk-Pyo
    • Korean Journal of Plant Taxonomy
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    • v.40 no.1
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    • pp.50-58
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    • 2010
  • The nutlet morphology and pericarp structure of 14 taxa (4 taxa of the genus Glechoma and related taxa) were studied by light and scanning electron microscopy, and a detailed description of nutlet morphological features for all examined taxa is provided. The shape of the nutlet is ovate to elliptic. Its size is 1.36-3.83 mm in length and 0.80-2.65 mm in width. The largest one was found in Marmoritis rotundifolia, while the smallest one was in Agastache nepetoides. Three different surface types were recognized in the studied taxa based on differences in cell outline and cell boundary relief (rectangular, pitted, and ridged negative reticulate-cell). Three types of trichome (uni-cellular non-glandular trichome, multi-cellular non-glandular trichome, and peltate glandular trichome) were distributed in the nutlets. The pericarp is formed in three layers (i.e., exocarp, mesocarp, and endocarp including sclenchyma tissue), and the pericarp in the studied species is $39.0-237.5{\mu}m$ thick. The morphological and anatomical features (the nutlet shape, surface type, and trichome distribution) in the genus Glechoma and related taxa are described and discussed.

Clinicoradiological Features of Pulmonary Cryptococcosis in Immunocompetent Patients (정상 면역 환자에서 폐 크립토코쿠스증의 임상방사선학적 특징)

  • Hong Seok Choi;Yun-Hyeon Kim;Won Gi Jeong;Jong Eun Lee;Hye Mi Park
    • Journal of the Korean Society of Radiology
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    • v.84 no.1
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    • pp.253-262
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    • 2023
  • Purpose To assess the clinicoradiological features of pulmonary cryptococcosis in immunocompetent patients. Materials and Methods This retrospective study included immunocompetent patients who had been diagnosed with pulmonary cryptococcosis on the histopathologic exam and underwent chest CT between January 2008 and November 2019. Imaging features were divided into major imaging patterns, distributions, and ancillary imaging findings. Univariable analysis was performed to evaluate clinicoradiological features according to the presence of serum cryptococcal antigen. Results Thirty-one patients were evaluated (mean age: 60 years, range: 19-78 years). A single nodular lesion confined to a single lobe was the most common imaging pattern (14/31, 45.2%). Serum cryptococcal antigen tests were performed in 19 patients (19/31, 61.3%). The presence of serum cryptococcal antigen was observed in six patients (6/19, 31.6%), all of whom showed a consolidation-dominant pattern. The presence of serum cryptococcal antigen was significantly associated with the consolidationdominant pattern compared to those associated with a nodule-dominant pattern (p = 0.011). Conclusion A combination of CT findings of consolidation and a positive serum cryptococcal antigen test may be helpful for diagnosing pulmonary cryptococcosis in immunocompetent patients.

The Correlation between Radiologic Findings and Clinicopathological Prognostic Factors in Small Peripheral Adenocarcinoma of Lung (말초 폐 발생 소형 선암에서 화상적 소견과 병리적, 임상적 예후와의 관계)

  • Park, Jae-Kil;Cho, Kyu-Do;Park, Kuhn;Moon, Seok-Whan;Rha, Suk-Joo;Choi, Si-Young;Jung, Jung-Im
    • Journal of Chest Surgery
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    • v.37 no.5
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    • pp.423-431
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    • 2004
  • Background : Tumor size in lung cancer is not as good a prognostic factor for adenocarcinoma as it is for other types of lung cancer; therefore it is difficult to estimate the prognosis preoperative. However, there have recently been some reports on the radiologic findings correlating to the clinicopathologic prognostic factors in peripheral small adenocarcinoma of lung. We tried to evaluate the prognostic importance of High-Resolution CT (HRCT) findings of such adenoearcinoma, Material and Method: One houndred and seventy-six surgically resected small peripheral adenocarcinoma measuring 3 cm or less in greatest dimension were reviewed radiologically and clinicopathologically. Result: The patients with greater extent of ground-glass attenuation (GGA) had better clinico-pathological factors. The tumors with gross appearance of GGA or bubble-like shape showed better clinicopathological prognostic factors than scar-like or solid shape. Conclusion: HRCT findings of small peripheral adenocarcinomas of the lung correlated well with the histologic and clinical prognostic factors. We can predict the post-operative prognosis with the radiologic findings.

Aspiration Cytology of Insular Carcinoma of Thyroid - A Case Report - (갑상선 미분화 "도암종"의 세침흡인 세포학적 소견 - 1례 보고 -)

  • Yang, Young-Il;Kim, Chan-Hawn;Khang, Shin-Kwang
    • The Korean Journal of Cytopathology
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    • v.5 no.1
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    • pp.46-51
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    • 1994
  • Fine needle aspiration cytologic features of a case of insular carcinoma of the thyroid in a 23-year-old woman who presented a palpable neck mass is described. The aspirate showed cellular smear arranged in trabeculae, solid or loose clusters, and microfillicles in necrotic background. The tumor cells had uniform, small round, hyperchromatic nuclei. The chromatin was finely granular, and nuclear membrane was smooth. Nucleoli were not discernible. Nuclear pleomorphism was minimal. The cytoplasm was usually scanty, pale, poorly outlined, and almostly amphophilic. Sometimes paranuclear cytoplasmic vacuoles were noted. final diagnosis was confirmed by total thyroidectomy as insular carcinoma.

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견관절의 영상의학적 검사

  • Yang, Ik
    • The Academic Congress of Korean Shoulder and Elbow Society
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    • 2009.11a
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    • pp.29-33
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    • 2009
  • 단순촬영에서 견관절을 이루는 골격의 형태를 파악하고 MRI에서는 주로 회전근 개 건의 fraying및 파열, 오훼견봉인대의 견봉 부착부위의 fraying, 점액낭염, 활막염, 관절순의 병변, 연골연화와 같은 연부조직의 병변을 관찰한다. 회전근 개 파열의 고식적 MR 진단은 정확도가 93%, 민감도가 84~100%, 특이도가 88~97%, 지방억제 MR 관절강 조영술은 민감도 및 특이도가 90%및 75%에서 100%까지 최근 보고 되고 있다. 단순촬영검사로 충돌중후군의 일반적인 소견을 파악할 수 있고 impingement series에는 견관절 전후면, suprascapular outlet view (SSO), craniocaudal 30 degree tilt view (CC30T), axillary view를 포함한다. 특히 SSO에서 견봉 및 ACJ의 형태 및 골극의 유무를 파악하고, CC30T에서는 견봉 돌출의 정도를 파악할 수 있다. 최근 고해상도의 MDCT로서 얻은 3차원 영상이 충돌증후군의 전반적인 영상 소견을 파악할 수 있고 수술전 평가에 이용되고 있다. MRI 및 MR Arthrography의 영상은 일반적으로 극상건의 주행에 따른 고식적 MR 사위 관상면이 중요하고 사위 시상면에서 견봉돌기의 형태와 대결절에 부착되는 극상건의 파열 유무와 정도를 파악할 수 있다. MR 관절조영술 후 외전 및 외회전후 (ABER view)의 영상도 관절면 쪽으로 부분 파열된 극상건의 진단에 유용하다.

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Abnormal insertion of the anterior horn of medial meniscus to misdiagnosis to horizontal tear - A case report - (횡 파열로 오인하게 하는 내측 반월상 연골 전각부의 비정상적 삽입 - 증례 보고 -)

  • Kim, Dong-Hee;Gwark, Ji-Yong;Park, Jin-Seung;Hwang, Sun-Chul
    • Journal of Korean Orthopaedic Sports Medicine
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    • v.10 no.2
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    • pp.124-128
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    • 2011
  • Many types of meniscal anomalies have been reported. The authors encountered one case of anomalous insertion of the anterior horn of the medial meniscus to the anterior horn of the lateral meniscus, which ran up along the course of the transverse ligament. This anomalous band was detected in MRI of the knee as a horizontal tear of anterior horn of the lateral meniscus but found during the operation as a anomalous insertion of the anterior horn of the medial meniscus. We report the case with a review of the literature.

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DENTAL MANAGEMENT OF A CHILD WITH WILLIAMS SYNDROME (윌리엄스 증후군 환아의 치과적 치험례)

  • Shun, Ye-Kyung
    • Journal of the korean academy of Pediatric Dentistry
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    • v.34 no.4
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    • pp.666-671
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    • 2007
  • Williams syndrome is a rare congenital disorder characterized by multiple anomalies involving the cardiovascular system, connective tissue, and the central nervous system resulting in mental retardation, distinctive facial features, and cardiovascular disease. It is also known to present typical oral manifestation including dental malformations, agenesis of teeth, and malocclusion. Impaction of a permanent tooth due to its deviant eruption path was observed in this case. The aim of this article is to report oral manifestation of a girl with Williams syndrome and the following dental treatment procedure.

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Scanning Electron Microscopic Observations on the Surface Structure of the Tick, Haemaphysalis longicornis Neumann 1901 (주사전자현미경(走査電子顯微鏡) 영상분석(映像分析)에 의한 haemaphysalis longicornis 의 표면(表面) 미세구조(微細構造))

  • Kang, Yung bai;Jang, Du hwan
    • Korean Journal of Veterinary Research
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    • v.24 no.2
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    • pp.213-226
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    • 1984
  • Scanning electron microscope (Model; SEM ISI-DS-130) was used to observe the fine surface structures of the predominant cattle tick Haemaphysalis longicornis Neumann 1901 (Acarina: Ixodidae) in Korea and some SEM microphotographs were presented in this pictorial monograph. Brief descriptions of the main contents are consisted of followings; L Mean body size is 2.43mm in unfed males and 2. 58mm in unfed females, the eyes are absent. 2. The scutums are inornated but there are some short-setae on the surface of the body. 3. The festoons on the dorso-marginal part of the body are present and segmented with 11 sectors. 4. The cornua is well-developed and the bypostome dentition is usually 5/5 in both sexes but rarely 4/4 also seen. 5. There is no dorsal projection on the anteriointernal margin of the palpal article 2, howevever, there are well developed dorso-internal setae with setal fossa on it. 6. The joints of the legs (Coxatrochanter and trochanter coxa, etc) are well developed.

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Medical Devices of the Abdomen and Pelvis and Their Complications: A Radiologic Atlas (복부 및 골반 내 의료기구와 관련 합병증: 영상의학 소견)

  • Yaewon Jeong;Jongmee Lee;Kyeong Ah Kim;Cheol Min Park
    • Journal of the Korean Society of Radiology
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    • v.81 no.4
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    • pp.863-885
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    • 2020
  • A variety of medical devices have evolved throughout the years. Commonly used devices have typical radiological appearances which are familiar to radiologists. However, some new devices, as well as devices that are not commonly used, may be missed or misinterpreted by radiologists. It is even more difficult to identify a certain medical device with limited clinical history. Therefore, accurate identification of medical devices is crucial to diagnose malposition and potential complications. In this article, we provide a pictorial review of medical devices of the abdomen and pelvis according to classifications that include gastrointestinal devices, hepatobiliary devices, genitourinary devices, and miscellaneous. We also comprehensively review the clinical and radiologic features of complications related to these medical devices.