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1.
Int J Surg Case Rep ; 81: 105827, 2021 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-33887840

RESUMEN

INTRODUCTION: Brunner's gland hyperplasia is a rare, benign lesion of the duodenum. The symptomology can range from asymptomatic (as an incidental finding on endoscopy) to gastrointestinal obstruction or haemorrhage. CASE PRESENTATION: We report a case of a 60-year-old man presenting with post-prandial vomiting and weight loss. Inpatient evaluation led to the likely diagnosis of a duodenal malignancy for which the patient underwent a laparotomy and proximal duodenectomy. CLINICAL DISCUSSION: Brunner's gland hyperplasia is a rare, benign condition that can be overtreated due to the difficulty in obtaining an accurate pre-operative diagnosis. The literature has been reviewed to discuss the approach to diagnosis. CONCLUSION: This case highlights the potential for Brunner's gland hyperplasia mimicking a malignancy.

2.
Vasc Endovascular Surg ; 54(5): 455-457, 2020 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-32319352

RESUMEN

We report a case of a 54-year-old male presenting to a regional hospital with severe hematemesis and hemodynamic instability. His medical history was significant for a previous episode of alcoholic necrotizing pancreatitis and pseudocyst, requiring cystoenterostomy drainage and debridement 10 years prior. He underwent multiple gastroscopies and one emergency laparotomy which failed to definitively treat the bleeding. A splenic artery pseudoaneurysm was diagnosed with computed tomography angiography, adjacent to the previous cystoenterostomy site. The patient was transferred to a major tertiary center with access to interventional radiology and underwent successful embolization of the pseudoaneurysm.


Asunto(s)
Aneurisma Falso/etiología , Drenaje/efectos adversos , Enterostomía/efectos adversos , Hematemesis/etiología , Arteria Esplénica , Aneurisma Falso/diagnóstico por imagen , Aneurisma Falso/terapia , Desbridamiento , Embolización Terapéutica , Humanos , Masculino , Persona de Mediana Edad , Seudoquiste Pancreático/diagnóstico por imagen , Seudoquiste Pancreático/cirugía , Pancreatitis Alcohólica/diagnóstico por imagen , Pancreatitis Alcohólica/cirugía , Arteria Esplénica/diagnóstico por imagen , Factores de Tiempo , Resultado del Tratamiento
3.
JAMA Netw Open ; 1(4): e181054, 2018 08 03.
Artículo en Inglés | MEDLINE | ID: mdl-30646096

RESUMEN

Importance: High-risk human papillomavirus (HPV) has been associated with Barrett dysplasia and esophageal adenocarcinoma. Nevertheless, the prognostic significance of esophageal tumor HPV status is unknown. Objective: To determine the association between HPV infection and related biomarkers in high-grade dysplasia or esophageal adenocarcinoma and survival. Design, Setting, and Participants: Retrospective case-control study. The hypothesis was that HPV-associated esophageal tumors would show a favorable prognosis (as in viral-positive head and neck cancers). Pretreatment biopsies were used for HPV DNA determination via polymerase chain reaction, in situ hybridization for E6 and E7 messenger RNA (mRNA), and immunohistochemistry for the proteins p16INK4A and p53. Sequencing of TP53 was also undertaken. The study took place at secondary and tertiary referral centers, with 151 patients assessed for eligibility and 9 excluded. The study period was from December 1, 2002, to November 28, 2017. Main Outcomes and Measures: Disease-free survival (DFS) and overall survival (OS). Results: Among 142 patients with high-grade dysplasia or esophageal adenocarcinoma (126 [88.7%] male; mean [SD] age, 66.0 [12.1] years; 142 [100%] white), 37 were HPV positive and 105 were HPV negative. Patients who were HPV positive mostly had high p16INK4A expression, low p53 expression, and wild-type TP53. There were more Tis, T1, and T2 tumors in HPV-positive patients compared with HPV-negative patients (75.7% vs 54.3%; difference, 21.4%; 95% CI, 4.6%-38.2%; P = .02). Mean DFS was superior in the HPV-positive group (40.3 vs 24.1 months; difference, 16.2 months; 95% CI, 5.7-26.8; P = .003) as was OS (43.7 vs 29.8 months; difference, 13.9 months; 95% CI, 3.6-24.3; P = .009). Recurrence or progression was reduced in the HPV-positive cohort (24.3% vs 58.1%; difference, -33.8%; 95% CI, -50.5% to -17.0%; P < .001) as was distant metastasis (8.1% vs 27.6%; difference, -19.5%; 95% CI, -31.8% to -7.2%; P = .02) and death from esophageal adenocarcinoma (13.5% vs 36.2%; difference, -22.7%; 95% CI, -37.0% to -8.3%; P = .01). Positive results for HPV and transcriptionally active virus were both associated with a superior DFS (hazard ratio [HR], 0.33; 95% CI, 0.16-0.67; P = .002 and HR, 0.44; 95% CI, 0.22-0.88; P = .02, respectively [log-rank test]). Positivity for E6 and E7 mRNA, high p16INK4A expression, and low p53 expression were not associated with improved DFS. On multivariate analysis, superior DFS was demonstrated for HPV (HR, 0.39; 95% CI, 0.18-0.85; P = .02), biologically active virus (HR, 0.36; 95% CI, 0.15-0.86; P = .02), E6 and E7 mRNA (HR, 0.36; 95% CI, 0.14-0.96; P = .04), and high p16 expression (HR, 0.49; 95% CI, 0.27-0.89; P = .02). Conclusions and Relevance: Barrett high-grade dysplasia and esophageal adenocarcinoma in patients who are positive for HPV are distinct biological entities with a favorable prognosis compared with viral-negative esophageal tumors. Confirmation of these findings in larger cohorts with more advanced disease could present an opportunity for treatment de-escalation in the hope of reducing toxic effects without deleteriously affecting survival.


Asunto(s)
Adenocarcinoma/complicaciones , Adenocarcinoma/mortalidad , Esófago de Barrett/complicaciones , Esófago de Barrett/mortalidad , Neoplasias Esofágicas/complicaciones , Neoplasias Esofágicas/mortalidad , Infecciones por Papillomavirus/complicaciones , Adulto , Anciano , Anciano de 80 o más Años , Esófago de Barrett/patología , Estudios de Casos y Controles , Femenino , Humanos , Masculino , Persona de Mediana Edad , Pronóstico , Estudios Retrospectivos , Tasa de Supervivencia
4.
BMC Surg ; 15: 72, 2015 Jun 11.
Artículo en Inglés | MEDLINE | ID: mdl-26063048

RESUMEN

BACKGROUND: Incarcerated abdominal wall hernias may contain a variety of contents, but very rarely contains the gallbladder. This rare diagnosis is often not considered and, when diagnosed, has a different management approach. The experience of the small number of case reports have yet to be collected and summarised. CASE PRESENTATION: We report a presentation and management of an 85 year old Caucasian female with a gallbladder hernia into a parastomal defect, and outline the operative management. CONCLUSION: Incarcerated gallbladder hernia is an extremely unusual condition, best diagnosed by CT scan. Management should involve operative reduction, cholecystectomy and consideration of repair of the defect.


Asunto(s)
Colecistectomía , Colecistitis/cirugía , Hernia Ventral/cirugía , Herniorrafia , Anciano de 80 o más Años , Colecistitis/diagnóstico , Colecistitis/etiología , Femenino , Hernia Ventral/complicaciones , Hernia Ventral/diagnóstico , Humanos
6.
J Pharm Sci ; 102(9): 3100-9, 2013 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-23608920

RESUMEN

Dabrafenib is a small-molecule inhibitor of BRAF kinase activity that is currently being developed for the treatment of BRAF V600 mutation-positive melanoma. This clinical, open-label, two-cohort (n = 14 per cohort), randomized study was designed to evaluate the effect of drug substance particle size, and food on the plasma pharmacokinetics of a single oral dose of dabrafenib in patients with BRAF V600 mutation-positive solid tumors. In addition, an exploratory cross-cohort comparison of the relative bioavailability of single-dose dabrafenib administered in gelatin and hydroxypropyl methylcellulose (HPMC) capsules was performed. Higher bioavailability was noted with nonmicronized drug substance (larger particle size), under fasting conditions, and with HPMC capsules. Initial dissolution results at pH 1.2 showed higher dissolution of gelatin relative to HPMC capsules inconsistent with clinical data. Subsequent in vitro dissolution studies were conducted in fasted-state simulated gastric fluid over a 24-h period and showed that HPMC capsules reached a higher percentage of dabrafenib dissolved than gelatin capsules. The presence of HPMC is believed to inhibit precipitation of dabrafenib as the freebase, thereby maintaining a supersaturated solution over an extended period of time. Dabrafenib has been administered in pivotal clinical studies on an empty stomach using micronized drug substance in HPMC capsules.


Asunto(s)
Antineoplásicos/administración & dosificación , Antineoplásicos/sangre , Imidazoles/administración & dosificación , Imidazoles/sangre , Melanoma/tratamiento farmacológico , Oximas/administración & dosificación , Oximas/sangre , Proteínas Proto-Oncogénicas B-raf/antagonistas & inhibidores , Administración Oral , Adulto , Anciano , Disponibilidad Biológica , Cápsulas/química , Estudios de Cohortes , Ayuno , Femenino , Humanos , Derivados de la Hipromelosa , Masculino , Melanoma/genética , Metilcelulosa/análogos & derivados , Metilcelulosa/química , Persona de Mediana Edad , Tamaño de la Partícula , Mutación Puntual , Proteínas Proto-Oncogénicas B-raf/genética
7.
J Gastroenterol Hepatol ; 28(6): 1010-4, 2013 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-23301629

RESUMEN

BACKGROUND AND AIM: In patients with extrahepatic portal venous obstruction (EHO), death is usually due to variceal bleeding. This is more so in developing countries where there is a lack of tertiary health-care facilities and blood banks. Prophylactic operations in cirrhotics have been found to be deleterious. In contrast, patients with EHO have well-preserved liver function, and we therefore investigated the role of prophylactic surgery to prevent variceal bleeding. METHODS: Between 1976 and 2010, we operated on selected patients with EHO, who had no history of variceal bleeding but had "high-risk" esophagogastric varices or severe portal hypertensive gastropathy and/or hypersplenism, and came from remote areas with poor access to tertiary health care. Following surgery, these patients were prospectively followed up with regard to mortality, variceal bleeding, encephalopathy, and liver function. RESULTS: A total of 114 patients (67 males; mean age 19 years) underwent prophylactic operations (proximal splenorenal shunts 98 [86%]; esophagogastric devascularization 16). Postoperative mortality was 0.9%. Among 89(79%) patients who were followed up (mean 60 months), hypersplenism was cured, and six (6.7%) developed variceal bleeding. The latter were managed successfully by endoscopic sclerotherapy. No patient developed overwhelming post-splenectomy sepsis or encephalopathy, and 90% were free of symptoms. CONCLUSION: In patients with EHO, prophylactic surgery is fairly safe and prevents variceal bleeding in ∼ 94% of patients with no occurrence of portosystemic encephalopathy. Patients with EHO who have not bled but have high-risk varices and/or hypersplenism, and poor access to medical facilities should be offered prophylactic operations.


Asunto(s)
Várices Esofágicas y Gástricas/prevención & control , Hemorragia Gastrointestinal/prevención & control , Vena Porta/cirugía , Enfermedades Vasculares/cirugía , Adolescente , Adulto , Niño , Várices Esofágicas y Gástricas/etiología , Femenino , Hemorragia Gastrointestinal/etiología , Humanos , Masculino , Persona de Mediana Edad , Estudios Prospectivos , Enfermedades Vasculares/complicaciones , Adulto Joven
8.
ANZ J Surg ; 80(10): 710-3, 2010 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-21040331

RESUMEN

BACKGROUND: Liver resection is a significant operation usually limited to large metropolitan hospitals. Liver resections were first performed at the Launceston General Hospital (LGH), a regional centre (bed capacity 280), in May 2000. This is a summary of liver resection at LGH. METHODS: Data of liver resections performed between May 2000 and March 2008 at LGH were collected retro-prospectively and reviewed with attention to patient survival, post-operative complications and mortality. RESULTS: There were 102 consecutive liver resections during the study period. Metastatic colorectal adenocarcinoma was the most frequent pathology (n = 61). Six patients had metastases from primaries other than colorectal cancer. There were 13 resections for primary liver malignancy, 2 from invasion by gallbladder carcinoma, 1 for contiguous invasion by gastric cancer and 19 were for benign conditions. Thirteen patients had post-operative wound infections and six had significant bile leaks. There were five deaths in-hospital (surgical mortality 4.9%). At the end of the study period, 51 cancer patients were still alive (14 with disease recurrences) and 30 have died (23 from recurrent diseases). Patients operated for colorectal cancer metastases achieved a 44% 5-year survival rate (median survival = 46 months). Patients with hepatocellular carcinoma had 3-year survival rate of 15% (median survival = 24 months). CONCLUSION: Resection provides the best hope of cure for patients with primary or secondary hepatic malignancy. With adequate expertise, liver resections can be performed safely in a regional hospital.


Asunto(s)
Hepatectomía/estadística & datos numéricos , Neoplasias Hepáticas/cirugía , Adenocarcinoma/patología , Adolescente , Adulto , Anciano , Anciano de 80 o más Años , Neoplasias Colorrectales/patología , Femenino , Hepatectomía/mortalidad , Hospitales Generales , Humanos , Neoplasias Hepáticas/secundario , Masculino , Persona de Mediana Edad , Complicaciones Posoperatorias , Estudios Prospectivos , Estudios Retrospectivos
10.
Sultan Qaboos Univ Med J ; 9(1): 89-94, 2009 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-21509282

RESUMEN

Two months after a stab injury to the abdomen, a 35-year-old male presented at the All India Institute of Medical Sciences with haematemesis, shock and portal hypertension. Computed tomography of the abdomen and abdominal angiography revealed a large fistulous communication between an abdominal aortic pseudoaneurysm and a branch of the superior mesenteric vein. The fistula was occluded percutaneously, which allowed the patient to stabilise haemodynamically and, finally, to undergo a definitive surgical excision of the pseudoaneurysm and repair of the aortic defect.

12.
BMC Gastroenterol ; 5: 39, 2005 Nov 30.
Artículo en Inglés | MEDLINE | ID: mdl-16316474

RESUMEN

BACKGROUND: Steroid-based intensive medical therapy for severe ulcerative colitis is successful in 60-70% of such patients. Patients with complications or those refractory to medical therapy require emergency colectomy for salvage. Little is known about the impact of timing of surgical intervention and surgical outcomes of such patients undergoing emergency surgery in India where the diagnosis is often delayed or missed in patients who are poor, malnourished and non-compliant to medical treatment. METHODS: The clinical records of all patients undergoing emergency surgery for severe ulcerative colitis or its complication in the Department of GI surgery AIIMS, New Delhi, India, between January 1985 and December 2003 were retrieved and data pertaining to demographic features, duration of intensive medical therapy, presence of complications, time from admission to emergency surgery, surgical procedure, in-hospital morbidity and mortality and follow up status extracted. RESULTS: A total of 72 patients underwent emergency surgery (Subtotal colectomy: 60; ileostomy alone under local anaesthesia: 12). Poor nutritional status was seen in 61% of the patients. Twenty-one patients (29%) underwent emergency surgery for complications of severe ulcerative colitis such as colonic perforation (spontaneous 6, iatrogenic 4), massive lower gastrointestinal haemorrhage (5), toxic megacolon (4) and large bowel obstruction (2). The remaining patients (n = 51) underwent emergency surgery following failed intensive therapy; 17 underwent surgery < or = 5 days (Group I) and 34 were operated > 5 days (Group II) after initiation of intensive therapy. In this group all the post-operative deaths (n = 8) occurred in those who were operated after 5 days. The difference in mortality in these two groups (i.e. surgical intervention < or = or > 5 days) was statistically significant {0/17 (Group I) vs 8/34 (Group II); p = 0.03}. Overall, 12 patients died (in-hospital mortality: 16.7%). The mortality was higher (10/43; 23.3%) in our early experience (i.e. 1985-1995) when compared to our subsequent experience (2/29; 6.9%) (1996-2003). A total of 48 patients (including 3 awaiting a restorative procedure) are alive on follow up (66.7%; 3 patients lost to follow up). A restorative procedure could be successfully completed in 81% of the survivors of the emergency procedure. CONCLUSION: To optimize the outcome, a combined team of physicians and surgeons should be involved in the management of patients with severe ulcerative colitis with focus on nutritional support, correction of metabolic derangements, close clinical monitoring and timely assessment for the need for emergency surgery. This retrospective analysis shows that improved results can be achieved with experience and by following a policy of early surgical intervention within 5 days, especially in patients who have failed intensive medical therapy.


Asunto(s)
Colitis Ulcerosa/fisiopatología , Colitis Ulcerosa/cirugía , Países en Desarrollo , Procedimientos Quirúrgicos del Sistema Digestivo , Servicios Médicos de Urgencia , Adolescente , Adulto , Anciano , Colitis Ulcerosa/complicaciones , Colon/cirugía , Procedimientos Quirúrgicos del Sistema Digestivo/mortalidad , Femenino , Hemorragia Gastrointestinal/etiología , Hemorragia Gastrointestinal/cirugía , Mortalidad Hospitalaria , Humanos , India , Obstrucción Intestinal/etiología , Obstrucción Intestinal/cirugía , Perforación Intestinal/etiología , Perforación Intestinal/cirugía , Intestino Grueso , Masculino , Megacolon Tóxico/etiología , Megacolon Tóxico/cirugía , Persona de Mediana Edad , Índice de Severidad de la Enfermedad , Factores de Tiempo , Resultado del Tratamiento
13.
J Invest Surg ; 18(3): 107-13, 2005.
Artículo en Inglés | MEDLINE | ID: mdl-16036781

RESUMEN

Temporary portal triad clamping (Pringle maneuver) during liver resection reduces intraoperative blood loss. A normal liver can safely tolerate normothermic ischemia for up to 60 min. However, its safety in patients with surgical obstructive jaundice (SOJ) is not known. Therefore, we investigated the effect of hepatic ischemia in an experimental rat model of SOJ created by ligating the bile duct. Four groups of rats were created: Group I (sham operation, 10 days later, liver resection); Group II (sham operation, 10 days later, liver resection with 5 min of hepatic ischemia); Group III (bile duct ligation, 10 days later, liver resection); and Group IV (bile duct ligation, 10 days later, liver resection with 5 min of hepatic ischemia). The ischemic injury was assessed by the survival of rats, liver tissue malondialdehyde and total glutathione (markers of free radical injury), serum alanine aminotransferase, aspartate aminotransferase, and liver histology. The results showed decreased survival (47.6% vs. 90% [p = .046]), increased liver tissue malondialdehyde (161 +/- 35 vs. 129 +/- 33 microg/gm liver tissue [p = .05]), and decreased liver tissue total glutathione (565 +/- 169 vs. 1075 +/- 276 nmol/gm liver tissue [p = .05]) in rats with SOJ subjected to hepatic ischemia when compared to nonjaundiced rats. The changes in serum aspartate aminotransferase (AST), alanine aminotransferase (ALT), and alkaline phosphatase showed an increasing trend in the SOJ group but were not statistically significant. Ischemic changes in liver histology were seen more often in the SOJ group but were not statistically significant. These data suggest that temporary portal triad clamping in an experimental model of SOJ is detrimental to the outcome of liver resection.


Asunto(s)
Hepatectomía , Isquemia/patología , Ictericia Obstructiva/etiología , Hígado/irrigación sanguínea , Procedimientos Quirúrgicos Vasculares/efectos adversos , Animales , Conductos Biliares/diagnóstico por imagen , Conductos Biliares/trasplante , Hemostasis Quirúrgica/métodos , Isquemia/etiología , Ligadura/efectos adversos , Hígado/patología , Pruebas de Función Hepática , Masculino , Modelos Animales , Cintigrafía , Ratas , Ratas Wistar , Procedimientos Quirúrgicos Vasculares/métodos
14.
Saudi Med J ; 26(6): 995-8, 2005 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-15983692

RESUMEN

Intussusception in adults is a rare cause for intestinal obstruction and is usually secondary to some lesion in the gastrointestinal tract GIT. We report a case of intestinal obstruction due to ileo-colic intussusception; an inflammatory fibroid polyp formed the leading edge of the intussusceptum, which is a rare polypoidal lesion of the GIT.


Asunto(s)
Enfermedades del Íleon/etiología , Pólipos Intestinales/complicaciones , Intususcepción/etiología , Adulto , Granuloma de Células Plasmáticas , Humanos , Pólipos Intestinales/patología , Masculino
15.
Clin Gastroenterol Hepatol ; 3(2): 159-66, 2005 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-15704050

RESUMEN

BACKGROUND & AIMS: Organ failure is the usual cause of death in acute necrotizing pancreatitis. Our objective was to study whether the extent and infection of pancreatic necrosis correlate with organ failure and mortality. METHODS: All consecutive patients with acute pancreatitis were prospectively studied. They underwent a detailed clinical and investigative evaluation. Pancreatic necrosis, diagnosed on a computed tomography scan, was graded as <30%, 30%-50%, and >50% necrosis and characterized as either sterile or infected. Logistic regression analysis was done to find out the association of the extent and infection of pancreatic necrosis with organ failure and mortality. RESULTS: Of 276 patients (mean age, 41.25 years; 172 men), 104 had pancreatic necrosis: 30 had <30% necrosis, 37 had 30%-50% necrosis, and 37 had >50% necrosis; 74 had sterile necrosis, and 30 had infected necrosis. Of them, 37 (35%) patients developed organ failure. Two significant factors were associated with the development of organ failure, the extent of necrosis (<30% necrosis vs 30%-50% necrosis: P = .03; odds ratio [OR], 5.82; 95% confidence interval [CI], 1.15-29.45; <30% necrosis vs >50% necrosis: P = .0004; OR, 18.86; 95% CI, 3.75-94.92) and infected pancreatic necrosis (P = .02; OR, 3.29; 95% CI, 1.17-9.24). The overall mortality was 22%. Infected pancreatic necrosis (P = .006; OR, 4.99; 95% CI, 1.56-16.02) and Acute Physiology, Age, and Chronic Healthy Evaluation II score (P = .004; OR, 1.28; 95% CI, 1.08-1.52) were 2 independent predictors of mortality. CONCLUSIONS: Extent of necrosis and infected pancreatic necrosis were associated with the development of organ failure in patients with acute necrotizing pancreatitis. Infected pancreatic necrosis was the most significant predictor of mortality.


Asunto(s)
Infecciones Bacterianas/diagnóstico , Infecciones Bacterianas/epidemiología , Causas de Muerte , Insuficiencia Multiorgánica/epidemiología , Pancreatitis Aguda Necrotizante/diagnóstico , Pancreatitis Aguda Necrotizante/epidemiología , Adolescente , Adulto , Anciano , Anciano de 80 o más Años , Infecciones Bacterianas/terapia , Biopsia con Aguja , Comorbilidad , Intervalos de Confianza , Progresión de la Enfermedad , Femenino , Humanos , Inmunohistoquímica , Modelos Logísticos , Masculino , Persona de Mediana Edad , Insuficiencia Multiorgánica/diagnóstico , Pruebas de Función Pancreática , Pancreatitis Aguda Necrotizante/terapia , Probabilidad , Estudios Prospectivos , Curva ROC , Medición de Riesgo , Índice de Severidad de la Enfermedad , Análisis de Supervivencia , Tomografía Computarizada por Rayos X
16.
J Gastroenterol Hepatol ; 20(2): 304-8, 2005 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-15683436

RESUMEN

OBJECTIVE: Computed tomography (CT) is traditionally used for evaluation and staging of gallbladder carcinoma (GC). However, in the subgroup of patients with obstructive jaundice, magnetic resonance cholangiography (MRC) is generally required to assess the level of biliary obstruction. The present study was undertaken to evaluate the diagnostic potential of three-dimensional helical CT cholangiography (3-D CTC) with minimum intensity projection (minIP), to determine the presence and level of biliary obstruction. MATERIALS AND METHODS: Twenty-five consecutive patients with proven GC, presenting with clinical and biochemical features of obstructive jaundice, over a 1-year period were included in the study. Dual phase helical CT data was obtained in the arterial and venous phases, respectively, after intravenous contrast injection using a pressure injector. Axial CT data (both arterial and venous phase) was studied for staging and resectability of tumor. Three-dimensional helical CT cholangiography using minIP obtained from the venous phase data set, was used to assess the level of biliary obstruction and isolation of hepatic segmental ducts. Three-dimensional helical CT cholangiography findings were compared with MRC and percutaneous transhepatic cholangiography (PTC) (gold standard). None of the patients were operated on as they were all considered inoperable on axial CT images due to extensive local disease or distant metastasis. RESULTS: In all patients, 3-D CTC demonstrated dilated intrahepatic ducts up to tertiary branch level. The 3-D CTC correctly diagnosed the level of biliary obstruction and demonstrated isolated segmental ducts in all patients and correlated well in all cases with MRC and PTC findings in this regard. However, the 3-D CTC did not add any additional information over the axial source images. CONCLUSION: Three-dimensional helical CT cholangiography with minIP can correctly determine the level of biliary obstruction in patients with GC and may be a strong competitor with MRC, because it gives equivalent information with regard to the level of ductal obstruction even while being a part of an overall comprehensive CT staging study. Even though 3-D CTC did not provide additional information on top of the source images, the referring physicians found them very useful for conceptualization of the 3-D biliary anatomy.


Asunto(s)
Colangiocarcinoma/diagnóstico por imagen , Neoplasias de la Vesícula Biliar/diagnóstico por imagen , Ictericia Obstructiva/diagnóstico por imagen , Adulto , Anciano , Sistema Biliar/diagnóstico por imagen , Sistema Biliar/patología , Colangiocarcinoma/complicaciones , Colangiografía/métodos , Femenino , Neoplasias de la Vesícula Biliar/complicaciones , Humanos , Imagenología Tridimensional/métodos , Ictericia Obstructiva/etiología , Imagen por Resonancia Magnética/métodos , Masculino , Persona de Mediana Edad , Estudios Prospectivos , Tomografía Computarizada Espiral/métodos
17.
J Gastroenterol Hepatol ; 20(2): 309-14, 2005 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-15683437

RESUMEN

BACKGROUND: Gallbladder cancer (GBC) is one of the most common gastrointestinal malignancies. The data regarding GBC are, however, limited. METHODS: Records of 634 patients with GBC over a 10-year period were examined with regard to the clinical presentation, investigative findings, treatment, operative findings and outcome. RESULTS: The mean age of patients was 51 +/- 11 years and men : women ratio was 0.36:1.00. Pain, jaundice and hepatomegaly were seen in 81.0%, 76.0% and 61.5% patients, respectively. On imaging, a mass replacing the gallbladder was seen in 73% patients. Gallstones were present in 54% patients. Surgery was carried out in 291 (46%) patients and endoscopic treatment in 72 (19%) patients but no intervention was carried out in the remaining patients because of disseminated disease. Among the patients who were operated on, 2.0% had stage I GBC, 3.4% stage II, 17.5% stage III, 47.0% stage IVa and 29.8% stage IVb. Radical resection was possible in 133 (46%) patients. The 30-day mortality was 10% with most (90%) deaths in patients with stage IV disease. The median survival after simple cholecystectomy and radical surgery was 33.5 and 12.0 months, respectively. However, among those who underwent debulking, palliative bypass or exploratory laparotomy alone, the survival ranged between 1 and 3 months. Logistic regression analysis showed that only radical resection improved the long-term survival (P < 0.05). CONCLUSIONS: The majority of patients with GBC in India have advanced unresectable disease. Detection of GBC at an early stage is incidental and rare but is associated with long-term survival. Radical surgery, when feasible, is the only option for achieving long-term survival.


Asunto(s)
Carcinoma/mortalidad , Neoplasias de la Vesícula Biliar/mortalidad , Adulto , Anciano , Carcinoma/diagnóstico , Carcinoma/cirugía , Colecistectomía/métodos , Femenino , Vesícula Biliar/patología , Vesícula Biliar/cirugía , Neoplasias de la Vesícula Biliar/diagnóstico , Neoplasias de la Vesícula Biliar/cirugía , Humanos , India/epidemiología , Masculino , Persona de Mediana Edad , Invasividad Neoplásica , Estadificación de Neoplasias , Estudios Retrospectivos , Análisis de Supervivencia , Tasa de Supervivencia
18.
Indian J Gastroenterol ; 24(6): 239-42, 2005.
Artículo en Inglés | MEDLINE | ID: mdl-16424619

RESUMEN

BACKGROUND: In cirrhotic patients with portal hypertension prophylactic portasystemic shunts have been found to be ineffective as deaths from post-shunt liver failure exceed those from bleeding. However, in patients with non-cirrhotic portal hypertension, variceal bleeding rather than liver failure is the common cause of death. In developing countries shortage of tertiary health-care facilities and blood banks further increases mortality due to variceal bleed. AIM: To study the results of prophylactic operations to prevent variceal bleeding in patients with portal hypertension due to non-cirrhotic portal fibrosis (NCPF). METHODS: Between 1976 and 2001, we performed 45 prophylactic operations in patients with NCPF, if the patients had high-risk esophagogastric varices or symptomatic splenomegaly and hypersplenism. Proximal lienorenal shunt was done in 41 patients and the remaining underwent splenectomy with (2 patients) or without (2 patients) devascularization. RESULTS: There was no operative mortality. Thirty-eight patients were followed up for a mean 49 (range, 12-236) months. Three patients bled - one was variceal and two due to duodenal ulcers; none died of bleeding. There were 2 late deaths (6 weeks and 10 years after surgery), one from an unknown cause and one due to chronic renal failure. The delayed morbidity was 47%. This included 7 patients who developed portasystemic encephalopathy, 4 glomerulonephritis, 2 pulmonary arteriovenous fistulae and 5 ascites requiring treatment with diuretics. Thus only 20 (53%) patients were symptom-free on follow up. CONCLUSIONS: Prophylactic surgery is safe and effective in preventing variceal bleeding in NCPF but at the cost of high delayed morbidity.


Asunto(s)
Várices Esofágicas y Gástricas/prevención & control , Hemorragia Gastrointestinal/prevención & control , Hipertensión Portal/cirugía , Vena Porta/patología , Vena Porta/cirugía , Derivación Portosistémica Quirúrgica , Adolescente , Adulto , Niño , Femenino , Fibrosis , Humanos , Masculino , Persona de Mediana Edad , Complicaciones Posoperatorias
19.
Can J Surg ; 47(5): 364-8, 2004 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-15540690

RESUMEN

BACKGROUND: To review our experience of gastroduodenal tuberculosis before formulating management guidelines, we did a retrospective analysis at a large tertiary-care teaching institution in North India. METHOD: We reviewed 23 consecutive cases of biopsy-proven gastroduodenal tuberculosis over a period of 15 years. RESULTS: The major presenting features were gastric outlet obstruction (61%) and upper gastrointestinal (uGI) bleeding (26%). In 3 patients (13%), clinical, radiological and intraoperative features suggested malignancy/pseudotumour: periampullary mass in 2 and gastric mass in 1 patient. Five patients (23%) also had extragastrointestinal tuberculosis. Despite uGI endoscopy and biopsies, the preoperative diagnosis was correct for only 2 people. All patients except 1 required surgery for either diagnosis or therapy. Two patients with massive uGI hemorrhage requiring emergency surgery died in the postoperative period. The other patients responded well to antitubercular treatment after surgery. CONCLUSIONS: Gastroduodenal tuberculosis has 3 forms of presentation: obstruction, uGI bleeding, and gastric or periampullary mass suggestive of malignancy. Endoscopic biopsy has a poor yield. Surgery is usually required for diagnosis or therapy, after which patients respond well to antituberculous treatment. In areas endemic for tuberculosis, a good biopsy from the site of gastroduodenal bleeding or mass lesion and the surrounding lymph nodes should always be obtained.


Asunto(s)
Procedimientos Quirúrgicos del Sistema Digestivo/métodos , Tuberculosis Gastrointestinal/diagnóstico , Tuberculosis Gastrointestinal/cirugía , Adolescente , Adulto , Biopsia , Diagnóstico Diferencial , Enfermedades Duodenales/diagnóstico , Enfermedades Duodenales/etiología , Enfermedades Duodenales/terapia , Femenino , Obstrucción de la Salida Gástrica/etiología , Obstrucción de la Salida Gástrica/terapia , Hemorragia Gastrointestinal/etiología , Hemorragia Gastrointestinal/terapia , Neoplasias Gastrointestinales/diagnóstico , Neoplasias Gastrointestinales/etiología , Neoplasias Gastrointestinales/terapia , Humanos , Masculino , Persona de Mediana Edad , Guías de Práctica Clínica como Asunto , Estudios Retrospectivos , Tuberculosis Gastrointestinal/complicaciones , Tuberculosis Gastrointestinal/tratamiento farmacológico
20.
Trop Gastroenterol ; 25(1): 36-9, 2004.
Artículo en Inglés | MEDLINE | ID: mdl-15303471

RESUMEN

Appendiceal tumours are rare and often discovered unexpectedly in an acute situation in which decision-making is difficult. We report the spectrum of appendiuar tumours seen in our institution over a period of more than 10 years, and discuss the clinicopathological behaviour, investigations, surgical procedures and outcomes in these patients. We have also reviewed the literature with regard to appendiceal tumours. Appendicular tumours were identified from the database of 1646 appendictomies (18% in children) performed in single centre and case notes were reviewed. Clinical presentation, investigations, histopathology, surgical procedures and outcome were analysed. Twelve patients with appendiceal tumours were identified (0.72%): 8 carcinoid, 2 mucinous (mucocele) and 2 adenocarcinoma. All the patients with a carcinoid tumour presented with features suggestive of acute appendicitis and were diagnosed postoperatively following appendicectomy and formal histology. No further surgical intervention was required as these lesions were less than 1cm away from the base of the appendix. One of the patient with mucinous cystadenoma presented acutely and underwent an appendicectomy; in the other patient with chronic pain, apreoperative MRI suggested the diagnosis leading to a planned hemicolectomy as the lesion was close to the base of the appendix. While one of the patient with an adenocarcinoma localized to the appendix did well following a right hemicolectomy, the other patient with disseminated disease succumbed within a year. Carcinoid tumours are the commonest appendiceal tumours, which present often as acute appendicitis. While appendicectomy would be adequate in most of these patients, in patients with a cystadenoma close to the base of the appendix or in case of a carcinoma, a right hemicolectomy is the appropriate option. While the prognosis is good in patients with carcinoid tumour and cystadenoma, it remains dismal in patients with disseminated malignant disease.


Asunto(s)
Neoplasias del Apéndice/epidemiología , Adenocarcinoma/epidemiología , Adenocarcinoma/etiología , Adenocarcinoma/patología , Adenocarcinoma/cirugía , Adulto , Anciano , Apendicectomía/estadística & datos numéricos , Neoplasias del Apéndice/etiología , Neoplasias del Apéndice/patología , Neoplasias del Apéndice/cirugía , Tumor Carcinoide/epidemiología , Tumor Carcinoide/etiología , Tumor Carcinoide/patología , Tumor Carcinoide/cirugía , Cistoadenoma Mucinoso/epidemiología , Cistoadenoma Mucinoso/etiología , Cistoadenoma Mucinoso/patología , Cistoadenoma Mucinoso/cirugía , Femenino , Humanos , Incidencia , Masculino , Registros Médicos , Persona de Mediana Edad , Omán/epidemiología , Estudios Retrospectivos
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