• Title/Summary/Keyword: Aberrant

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Aberrant Left Hepatic Artery Arising from Left Gastric Artery at Curative Gastrectomy for Gastric Cancer

  • An, Chansik;Lim, Joon-Seok
    • Journal of International Society for Simulation Surgery
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    • v.1 no.2
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    • pp.87-89
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    • 2014
  • An aberrant left hepatic artery is one of the most common variants of hepatic arteries, and its prevalence has been reported 6.5-30%. During D2 lymph node dissection for gastric cancer, an aberrant left hepatic artery arising from left gastric artery is ligated which may lead to hepatic damage. In this case report, a 66-year-old male patient underwent total gastrectomy with D2 lymph node dissection during which the aberrant left hepatic artery was ligated. Post-operative liver function tests revealed elevated liver enzymes, and ischemic changes in the left lateral hepatic section was seen on the CT scan. On retrospective review of preoperative CT images, a replaced left hepatic artery from left gastric artery could have been identified. The information on the presence of aberrant LHA and its supplying area is clinically important when planning curative gastrectomy for gastric cancer, because extended lymph node dissection requires division of the left gastric artery and this may lead to severe liver damage. By using preoperative CT scan, detection of aberrant left hepatic artery could be done.

Clinical Significance of Co-expression of Aberrant Antigens in Acute Leukemia: A Retrospective Cohort Study in Makah Al Mukaramah, Saudi Arabia

  • Abdulateef, Nahla Ahmad Bahgat;Ismail, Manar Mohammad;Aljedani, Hanadi
    • Asian Pacific Journal of Cancer Prevention
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    • v.15 no.1
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    • pp.221-227
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    • 2014
  • Background: Aberrant phenotypes in acute leukemia have variable frequency and their prognostic and predictive relevance is controversial, despite several reports of clinical significance. Aims: To determine the prevalence of aberrant antigen expression in acute leukemia, assess clinical relevance and demonstrate immunophenotype-karyotype correlations. Materials and Methods: A total of 73 (40 AML and 33 ALL) newly diagnosed acute leukemia cases presenting to KAMC, Kingdom of Saudi Arabia, were included. Diagnosis was based on WHO criteria and FAB classification. Immunophenotyping by flow cytometry, conventional karyotyping and fluorescence in situ hybridization for gene rearrangements were performed. Results: Aberrant antigens were detected in 27/40 (67.5%) of AML and in 14/33 (42.4%) in ALL cases. There were statistically significant higher TLC in Ly+ AML than in Ly-AML (p=0.05) and significant higher blast count in ALL with aberrant antigens at presentation and day 14 (p=0.005, 0.046). There was no significant relation to clinical response, relapse free survival (RFS) or overall survival (p>0.05), but AML cases expressing ${\geq}2$ Ly antigens showed a lower median RFS than those expressing a single Ly antigen. In AML, CD 56 was expressed in 11/40. CD7 was expressed in 7/40, having a significant relation with an unfavorable cytogenetic pattern (p=0.046). CD4 was expressed in 5/40. CD19 was detected in 4/40 AML associated with M2 and t (8; 21). In ALL cases, CD33 was expressed in 7/33 and CD13 in 5/33. Regarding T Ag in B-ALL CD2 was expressed in 2 cases and CD56 in 3 cases. Conclusions: Aberrant antigen expression may be associated with adverse clinical data at presentation. AML cases expressing ${\geq}2$ Ly antigens may have shorter median RFS. No specific cytogenetic pattern is associated with aberrant antigen expression but individual antigens may be related to particular cytogenetic patterns. Immunophenotype-karyotype correlations need larger studies for confirmation.

Dysphagia Due to an Aberrant Right Subclavian Artery (우측 쇄골하 동맥 기시이상으로 인한 연하 곤란 - 수술 치험 1례 -)

  • 최필조
    • Journal of Chest Surgery
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    • v.23 no.1
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    • pp.169-173
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    • 1990
  • An aberrant right subclavian artery is a rare congenital anomaly that usually does not produce symptoms. Symptomatic patients require surgical intervention. Ligation of the aberrant artery through a left thoracotomy has been advocated as the operation of choice. If development of vertebrobasilar insufficiency is anticipated, division and ligation of he aberrant artery and its anastomosis to the right common carotid artery or aortic arch are performed at a second operation. Experience with successful surgical treatment of a patient with an aberrant subclavian artery is described. A right thoracotomy incision was utilized for division of the subclavian artery and for reestablishment of arterial continuity with Dacron graft. Postoperative arteriography demonstrated a good reconstruction and normal blood flow was established to the right upper extremity.

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Aberrant Right Subclavian Artery in Children -Report of Cases- (소아에서의 우측 쇄골하동맥 기시이상 -수술치험 2례-)

  • 이인성
    • Journal of Chest Surgery
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    • v.26 no.4
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    • pp.308-311
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    • 1993
  • Aberrant right subclavian arteries were experienced in two young children. This is a rare aortic arch anomaly that usually does not produce symptoms. Symtomatic patients require surgical interventions.We describe two young children who had aberrant right subclavian artery with symptoms of difficulty in swallowing and respiratory problems. Diagnosis was made by esophagography, aortography and 3-Dimension chest CT. Operation had been advocated through right thoracotomy without difficulty for ligation, division and anastomosis to the ascending aorta. Dysphagia lusoria was immediately relieved and postoperative course was uneventful. We consider that the right thoracotomy is the choice of operative approach and noninvasive diagnosis by 3-Dimension chest CT is easily made for infant with aberrant right subclavian artery.

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Surgical Managemnet of Symptomatic Aberrant Right Subclavian Artery through Midsternotomy - A case report - (우측 쇄골하 동맥 기시 이상에 의한 기형성 연하곤란)

  • 허동명
    • Journal of Chest Surgery
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    • v.23 no.4
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    • pp.785-790
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    • 1990
  • A 30-year-old male with a symptomatic aberrant right subclavian artery underwent surgical intervention on January 17, 1990. An aberrant right subclavian artery is a rare congenital anomaly, but it is the most common one of the aortic arch anomalies. This anomalous vessel usually does not produce symptoms, but occasionally symptomatic patients require surgical intervention. Although ligation and division of the aberrant right subclavian artery through left thoracotomy has been advocated by many surgeons, the ischemic symptoms of the upper extremity or the brain can occur. In the procedure described here, ligation and division of the aberrant artery and its anastomosis to the ascending aorta with Gore \ulcornerTex vascular graft was performed simultaneously through midsternotomy. With this procedure, we relieved the esophageal obstruction and established normal blood flow to the right arm. Hoarseness developed postoperatively. We consider that above symptom has been attributed to the injury of the left recurrent laryngeal nerve during dissection.

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A Case of Aberrant Right Subclavian Artery (Arteria Lusoria) with Chest Tightness and Coughing (요골동맥을 통한 관상동맥촬영 중 진단된 편위된 우측쇄골하동맥 1예)

  • Han, Seung-Hee;Kim, Su-Young;Park, Hye-Kyong;Park, Jong-Sung
    • Journal of Yeungnam Medical Science
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    • v.29 no.1
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    • pp.61-64
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    • 2012
  • The left aortic arch with an aberrant right subclavian artery, or arteria lusoria, is the most common aortic arch anomaly, occurring in 0.5-2.5% of individuals. In such cases, the angular course of the arteria lusoria to the ascending aorta imposes difficulty in passing a guide wire to the ascending aorta during right transradial catheterization. Here, the case of a 53-year-old woman with intermittent chest tightness and coughing is reported. Aberrant right subclavian artery (arteria lusoria) was diagnosed via aortogram during right transradial coronary angiography. Compression of the esophagus and trachea by the aberrant right subclavian artery was demonstrated by chest computed tomography (CT).

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Effect of Fiber-Rich Sea Mustard Feeding on AOM-Induced Colon Aberrant Crypt Formation and Colonic Cell Proliferation in Sprague Dawley Rats (미역의 섭취가 화학적으로 유도된 쥐의 대장암화 표지자인 Aberrant Crypt 형성 및 상피세포 분열에 미치는 영향에 관한 연구)

  • 이은주;성미경
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.30 no.3
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    • pp.535-539
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    • 2001
  • The modulating effect of feeding sea mustard (Undarina pinnatifida), a fiber-rich seaweed, during initiation and post-initiation phases of colon carcinogenesis was investigated in Sprague Dawley rats. Four groups of animals were exposed to the two weekly injections of a chemical carcinogen, azoxymethane (AOM). Animals were placed on diet containing 15% sea mustard during initiation. post-initiation or initiation+post-initiation phase of carcinogenesis for 10 weeks, and colonic aberrant crypt formation and cell proliferation were compared to those of rats fed semi-synthetic control diet. Results showed that sea mustard feeding significantly reduced the numbers of both aberrant crypts and aberrant crypt foci. Also, labeling indices and proliferation zones were significantly reduced in the colon of the rats fed sea mustard diets. These results indicate that the diet containing sea mustard may decrease the risk of colon cancer development, and a part of such effect may be mediated through both the blocking of initiation and the suppression of cell proliferation in the colonic crypts, although precise mechanisms should be further examined.

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Pros and cons of using aberrant glycosylation as companion biomarkers for therapeutics in cancer

  • Kang, Jeong-Gu;Ko, Jeong-Heon;Kim, Yong-Sam
    • BMB Reports
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    • v.44 no.12
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    • pp.765-771
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    • 2011
  • Cancer treatment has been stratified by companion biomarker tests that serve to provide information on the genetic status of cancer patients and to identify patients who can be expected to respond to a given treatment. This stratification guarantees better efficiency and safety during treatment. Cancer patients, however, marginally benefit from the current companion biomarker-aided treatment regimens, presumably because companion biomarker tests are dependent solely on the mutation status of several genes status quo. In the true sense of the term, "personalized medicine", cancer patients are deemed to be identified individually by their molecular signatures, which are not necessarily confined to genetic mutations. Glycosylation is tremendously dynamic and shows alterations in cancer. Evidence is accumulating that aberrant glycosylation contributes to the development and progression of cancer, holding the promise for use of glycosylation status as a companion biomarker in cancer treatment. There are, however, several challenges derived from the lack of a reliable detection system for aberrant glycosylation, and a limited library of aberrant glycosylation. The challenges should be addressed if glycosylation status is to be used as a companion biomarker in cancer treatment and contribute to the fulfillment of personalized medicine.

Aberrant Carotid Artery Associated with Throat Discomfort and Retropharyngeal Mass

  • Hong, Yong Tae;Kim, Sol;Kim, Min Ji;Hong, Ki Hwan
    • Journal of the Korean Society of Laryngology, Phoniatrics and Logopedics
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    • v.31 no.1
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    • pp.39-44
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    • 2020
  • We present four cases of aberrant carotid arteries manifesting as pharyngeal masses with throat discomfort. The symptoms of this anomaly are very similar to those of laryngopharyngeal reflux or globus pharyngeus. The identification of this anomalous artery is essential for the head and neck surgeon because the anomaly frequently manifests as a symptomatic pulsatile mass in the pharynx. All patients complained of foreign body sensation in the throat and showed protrusion of the posterolateral pharyngeal wall anteromedially. CT scans demonstrated that there were two cases involving the right common carotid artery (CCA) and two cases involving both CCAs in the retropharyngeal space. As conclusion, the aberrant course of the artery can occur on both sides of CCAs, and it can manifest as a pharyngeal mass. When the patients complain of foreign body sensation in the throat without any other abnormal findings in the pharynx, we should consider the possibility that it may be due to the aberrant course of the CCA and its bifurcations in the retropharyngeal space.

In tralobar pulmonary sequestration associated with A-V fistula (동정맥 누공을 합병한 내엽형 폐 격절증의 치험례)

  • Lee, Jun-Yeong;Ji, Haeng-Ok
    • Journal of Chest Surgery
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    • v.19 no.4
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    • pp.726-730
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    • 1986
  • Intralobar pulmonary sequestration is a rare congenital malformation characterized by a cystic portion of the lung that derives its arterial blood supply through aberrant vessel directly of systemic circulation. Two forms of pulmonary sequestration occur; intralobar sequestration is usually contained within the visceral pleura of a pulmonary lobe and its venous drainage to the pulmonary venous system. We presented on case of intralobar pulmonary sequestration with A-V fistula. The patient was 8 years old male and chief complaints are mild fever and exertional dyspnea. Aortogram revealed an aberrant artery originated from thoracic aorta just above the diaphragm and its vessel directly communicated pulmonary vein in sequestrated segment. At time of operation, sequestrated lobe measuring 6x5x5cm, well demarcated at the lower lobe was noted. Aberrant, measuring 1.0cm in diameter and 1cm in length and directly connected pulmonary vein. After division and ligation of the aberrant artery, only excision of sequestrated lobe was performed and complication is not during postoperative course.

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