• Title/Summary/Keyword: abdominal organs

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Assessment of Abdominal Organs Movement by Respiration Using Computed Tomography in Dogs: A Pitfall for Radiation Therapy

  • Ah Reum Kim;Soyon An;Gunha Hwang;Moonyeong Choi;Tae Sung Hwang;Hee Chun Lee
    • Journal of Veterinary Clinics
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    • v.40 no.2
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    • pp.104-112
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    • 2023
  • The change in the position of the abdominal organs due to movement by respiration is one of the reasons behind inaccurate irradiation of organs during radiotherapy (RT). Although studies in human medicine have revealed on the respiratory movements of abdominal organs, there is little information and no reference data for dogs. The purpose of this study was to establish the reference values of abdominal organs movement in various postures using computed tomography (CT), and to compare the movements of organs between dorsal recumbency and ventral, right and left lateral recumbency during respiration. CT images for kidney, adrenal gland, medial iliac lymph node, urinary bladder, gallbladder, liver, stomach, and thoracic and lumbar vertebral body of five beagle dogs were acquired. The movements of organs were evaluated by comparing the end-expiratory and end-inspiratory images. Movements of the organs were evaluated by dividing it into right-to-left, dorsal-to-ventral, and cranial-to-caudal directions. The movements of abdominal organs according to the change in postures and respiration were establish. The movement of the bilateral organs was the least when the organs were in the downward position (p < 0.017). The movement of cranial-to-caudal direction was greater than the movement of the other directions in most of the organs. Data obtained in this study may be useful in selecting the appropriate posture that can reduce the movements of organs to be treated with RT, and the data could be useful for setting the planning target volume to consider the movements of the abdominal organs by respiration.

Ultrasonography of Abdominal Organs in Cynomolgus Monkey (Macaca fascicularis) (Cynomolgus Monkey(Macaca fascicularis)에서의 복부 초음파에 관한 연구)

  • 김명철;김남중;이재일;이수진
    • Journal of Veterinary Clinics
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    • v.18 no.4
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    • pp.350-353
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    • 2001
  • The purpose of this study is to construct fundamental information about the ultrasonographic diagnosis for extrinsic and intrinsic abdominal disease. Normal ultrasonography of liver, gall bladder, spleen, kidney, urinary bladder, stomach, pylorus, duodenum, and heart of 4 cynomolgus monkey(Macaca fascicularis) were determined by use of ultrasonography. One cynomolgus monkey was autopsied at the time of euthanasia which is performed 24 hours after ultrasonography, and above mentioned organs were measured actually. In ultrasonography of cynomolgus monkey, the gall bladder was 17.5 cm long, and 6.6 cm wide. The width of spleen was 8.8 mm. The right kidney was 35.5 mm long, 23.7 mm wide, and 15.2 mm deep. The ultrasonographic measurements of the left kidney in calves was similar. The urinary bladder was 27.7 mm long, and 20.5 mm wide.

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Ultrasonography of Abdominal Organs in Common Marmoset (Callithrix jacchus) (Common Marmoset(Callithrix jacchus)에서의 복부 초음파에 관한 연구)

  • 김명철;이재일;이수진;김남중;현병화;최양규;이철호
    • Journal of Veterinary Clinics
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    • v.18 no.4
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    • pp.354-357
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    • 2001
  • The purpose of this study is to construct fundamental information about the ultrasonographic diagnosis for extrinsic and intrinsic abdominal disease. Normal ultrasonography of liver, gall bladder, spleen, kidney, urinary bladder, stomach, pylorus, duodenum, and heart of 5 common marmoset(Callithrix jacchus) were determined by use of ultrasonography. One common marmoset was autopsied at the time of euthanasia which is performed 24 hours after ultrasonography, and above mentioned organs were measured actually. In ultrasonography of common marmoset, the gall bladder was 8.2 cm long, and 3.4 cm wide. The width of spleen was 4.3 mm. The right kidney was 22.2 mm long, 16.1 mm wide, and 9.3 deep. The ultrasonographic measurements of the left kidney in calves was similar. The urinary bladder was 8.6 mm long, and 5.0 mm wide.

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Peritonitis associated with Streptococcus equi subsp. zooepidemicus in a thoroughbred horse (더러브렛 말의 Streptococcus equi subsp. zooepidemicus 감염에 의한 복막염)

  • Cho, Jung-Joon;Kang, Sang-Chul;Yang, Hyoung-Seok;Yang, Jae-Hyuk;Son, Won-Geun;Bae, Jong-Hee;Kim, Jae-Hoon
    • Korean Journal of Veterinary Research
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    • v.47 no.3
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    • pp.315-319
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    • 2007
  • Fibrinopurulent peritonitis and abdominal abscesses associated with Streptococcus (S.) equi subsp. zooepidemicus is reported in a 1-year-old female thoroughbred horse. The horse died after showing 5-day history of the cold, severe abdominal distention, abdominal breathing, hyperthermia, anorexia, and loss of intestinal sound. At necropsy, several liters of turbid yellowish green fluid were seen in the abdominal cavity. Yellowish creamy and fibrinous or bloody materials were presented on the serosa of various abdominal organs that were intensively adhered with each other. Spleen and mesenteric lymph node were remarkably enlarged. Affected lobes of the lung showed severe congestion, hemorrhage and doughy consistency. Histologically, the lung showed hemorrhagic pneumonia with diffuse congestion and edema. Severe diffuse fibrinopurulent peritonitis with Gram-positive bacterial cocci and adjacent fibrosis were showed in the serosa of various abdominal organs such as liver, spleen, stomach, and intestine. And multifocal abscess pouches were presented in the granulation tissue of abdominal viscera. S. equi subsp. zooepidemicus was isolated from the peritoneal swab, abdominal organs, and lung. Hematogenous dissemination of bacteria from hemorrhagic pneumonia is proposed as the route of infection in this case.

A Clinical Significance of Abdominal Ultrasonography (복부 초음파검사의 중요성)

  • Jeong, Gyu-Byeong
    • Journal of Korea Association of Health Promotion
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    • v.3 no.1
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    • pp.110-120
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    • 2005
  • The ultrasonography(US) is one of very important item for abdominal evaluation. Especially for the routine check of the abdomen, the US becomes the essential part of the precedure. Though the abdominal US is simple and easy, its value is very high for detection of various morphological changes of abdominal organs. The study techniques of US, common abdominal abnormalities, standardization of image interpretation, and clinical significance of the lesions, etc, were discussed.

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Evaluation of Normal Abdominal Organs by Diagnostic Imaging in the Premature Miniature Pig (미성숙 미니돼지에서 방사선과 초음파를 이용한 복부장기의 평가)

  • Chang, Jin-Hwa;Jung, Joo-Hyun;Oh, Sun-Kyoung;Choi, Min-Cheol
    • Journal of Life Science
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    • v.19 no.3
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    • pp.417-421
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    • 2009
  • This report describes the normal radiographic and ultrasonographic morphological features of premature minipigs at 4, 8, 12 and 20 weeks of age. Radiographic examination is a simple diagnostic method used to identify the general morphologic state of major organs and their adjacent structures, and to assess the presence of abnormalities. The parameters for evaluation in plain abdominal radiographs are the degree of diffuse serosal margin details, extent of visualization of each organ, their size, shape, and contour, locations of main organs - such as the liver, stomach, spleen, kidneys, urinary bladder - the distribution of the intestines, and assessment of the retroperitoneal space and its contents. Ultrasonographic examinations are used to investigate their internal condition. The parameters for evaluation in abdominal ultrasonography are echogenicity, echotexture, and size and shape of the main organs such as the liver, spleen, kidney, urinary bladder and gastrointestinal tract. Minipigs had similar findings compared to dogs or cats.

Hierarchical Organ Segmentation using Location Information based on Multi-atlas in Abdominal CT Images (복부 컴퓨터단층촬영 영상에서 다중 아틀라스 기반 위치적 정보를 사용한 계층적 장기 분할)

  • Kim, Hyeonjin;Kim, Hyeun A;Lee, Han Sang;Hong, Helen
    • Journal of Korea Multimedia Society
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    • v.19 no.12
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    • pp.1960-1969
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    • 2016
  • In this paper, we propose an automatic hierarchical organ segmentation method on abdominal CT images. First, similar atlases are selected using bone-based similarity registration and similarity of liver, kidney, and pancreas area. Second, each abdominal organ is roughly segmented using image-based similarity registration and intensity-based locally weighted voting. Finally, the segmented abdominal organ is refined using mask-based affine registration and intensity-based locally weighted voting. Especially, gallbladder and pancreas are hierarchically refined using location information of neighbor organs such as liver, left kidney and spleen. Our method was tested on a dataset of 12 portal-venous phase CT data. The average DSC of total organs was $90.47{\pm}1.70%$. Our method can be used for patient-specific abdominal organ segmentation for rehearsal of laparoscopic surgery.

Surgery for Diaphragmatic Hernia Repair: A Longitudinal Single-Institutional Experience

  • Siwon Oh;Suk Kyung Lim;Jong Ho Cho;Hong Kwan Kim;Yong Soo Choi;Jhingook Kim;Young Mog Shim;Junghee Lee
    • Journal of Chest Surgery
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    • v.56 no.3
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    • pp.171-176
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    • 2023
  • Background: This study analyzed and described the clinical characteristics and surgical outcomes of diaphragmatic hernia (DH) repair according to the operative approach. Methods: After excluding cases with a combined approach and hiatal hernias, we analyzed 26 patients who underwent DH repair between 1994 and 2018. The baseline and perioperative characteristics of the thoracic approach group and the abdominal approach group were described and analyzed. Results: Fifteen of the 26 patients were treated through the thoracic approach, including 5 patients who underwent video-assisted thoracic surgery (VATS). Eleven patients underwent the abdominal approach. The thoracic approach was associated with a longer duration of DH than the abdominal approach (2 vs. 0.1 months), herniation of the right-sided abdominal organs, and herniation of the retroperitoneal organs. During the median follow-up of 23 months, there was no recurrence of DH. Conclusion: The surgical approach should be chosen considering the duration of DH and the location of herniated organs. VATS might be a safe and feasible option for repairing DH.

Studies on the Light Organ of the Firefly, Luciola lateralis Motschulsky (애반딧불이의 발광기관 구조)

  • 이대우;부경생
    • Korean journal of applied entomology
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    • v.30 no.1
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    • pp.29-36
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    • 1991
  • Studies were carried out to investigate structural characteristics of the larval and adult light organs of Luciola lateralis Mot. and to observe the relation between the light organ and nerve. The larval light organs, (LLO)existed at a paired dorsal lateral positions of the 8th abdominal segment. The organ was spherical or sub-spherical in shape. There were many vacuoles around the LLO. As larva grew, the number of vacuoles increased. LLO had the muscles in its interior part and their role seemed to fix the LLO position in space. Also, there were the tracheae and tracheoles in LLO. The Adult light organs (ALO) were at the ventral portions of the 5th and 6th abdominal segments in the male, but only on the 5th abdominal segment in the female. ALO had two functional layers, i.e., photocyte and dorsal layer. Tracheal end organs existed in both layers but their arrangements were irregular. Rod-shaped photocytes and spherical photocytes were observed in the ALO of male and female, but the rod-shaped types were rarely found in the female. In the ALO of the 5th abdominal segment, two paired peripheral nerves were originated from the anterior part of the last abdominal compound ganglion. A pair of peripheral nerves were originated from the posterior part of the compound ganglion to innervate the 6th abdominal segment ALO. And LLO was innervated by a paired peripheral nerves from the last abdominal ganglion.

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The Celiac Plexus Block and the Lumbar Sympathetic Ganglion block for the Upper and Lower Abdominal Cancer Pain -7 cases- (상하복부 암성통증에 대한 복강신경총 및 요부교감신경절 차단 -7예 보고-)

  • Gill, Hyun-Jue;Yoon, Duck-Mi;Oh, Hung-Kun;Ree, Ye-Chul
    • The Korean Journal of Pain
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    • v.1 no.2
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    • pp.171-176
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    • 1988
  • It is well known that the celiac plexus block is specially useful for relieve intractable upper abdominal pain caused by upper abdominal visceral malignancy or upper abdominal metastasis from distant organs. But in cases of lower abdominal or pelvic metastasis from upper abdominal malignancy, the lower abdominal intractable pain is remained after the successful celiac plexus block. We have reported 7 cases of celiac plexus block combined with lumbar sympathetic ganglion block, among the 305 cases of the celiac plexus block from 1968 to Nov. 1987, performed in patients with lower abdominal or back pain due to carcinomatosis of lower abdominal metastatic malignancy, that their results were excellent for pain relief.

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