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List of works by Guilherme Macedo

'Education and Imaging. Gastrointestinal: Successful treatment with sirolimus of a patient with blue rubber bleb nevus syndrome

scientific article published on 12 October 2015

(Technically) Difficult colonoscope insertion - Tips and tricks

scientific article published on 10 July 2019

A comparative study between fluoroscopic and endoscopic guidance in palliative esophageal stent placement

scientific article published on 9 December 2011

A metamorphic lesion

scientific article published on 02 June 2009

A rare cause of chronic halitosis: gastric-colic fistulae

scientific article published on 28 March 2012

A rare cause of hematemesis: gastric metastases from renal cell carcinoma

scientific article published on 01 April 2012

A rare cause of melena: gastric and duodenal diffuse large B-cell lymphoma.

scientific article

AL-amyloidosis presenting as massive gastrointestinal bleeding

scientific article published on 01 September 2009

Acute antihypertensive effect of self-selected exercise intensity in older women with hypertension: a crossover trial

scientific article published on 05 August 2019

Adenocarcinoma of the colon associated with hyperplastic polyposis

scientific article published in June 2010

An immobile postsurgical nasojejunal tube: a case for King Arthur!

scientific article published in March 2017

Anal Sphincters Evaluation by Endoanal Ultrasound in Obstructed Defecation

scientific article published on 26 June 2017

Anal condylomas: predictors of recurrence and progression to high-grade dysplasia/carcinoma in situ

scientific article published in December 2017

Anal cytology, histopathology and anoscopy in an anal dysplasia screening program: is anal cytology enough?

scientific article published on 23 November 2017

Another clinical unmet need in liver patients: Multidrug resistant bacteria in decompensated cirrhosis

scientific article published on 27 July 2019

Anti-TNF-alpha induced psoriasiform eruptions with severe scalp involvement and alopecia: report of five cases and review of the literature

scientific article published on 06 October 2012

Antibiotic resistance in urban aquatic environments: can it be controlled?

scientific article

Aortobifemoral prosthesis penetrating the duodenal wall

scientific article published on 28 May 2013

Appendiceal Lymphoid Nodular Hyperplasia

scientific article published in January 2018

Are 7-Fr caliber pancreatic stents more effective than 5-Fr stents in the endoscopic resolution of pancreatic fistulas?

scientific article published on 6 August 2015

Association between Polymorphisms in Antioxidant Genes and Inflammatory Bowel Disease

scientific article

Atypical metastization of hepatocellular carcinoma with cardiac involvement.

scientific article

Azathioprine-induced acute pancreatitis in inflammatory bowel disease : natural history and severity spectrum

scientific article published in January 2017

Ball valve syndrome: gastric polypectomy as a safe endoscopic treatment of a potentially troublesome condition

scientific article published on 01 November 2012

Black bowel: An unexpected cause of abdominal pain

scientific article published on 14 December 2017

Black esophagus

scientific article published on 15 June 2011

Brush Cytology Performance for the Assessment of Biliopancreatic Strictures

Burkitt's Lymphoma Diagnosed by Colonoscopy in Immunocompetent Patient.

scientific article

Cancer Survivor Study (CASUS) on colorectal patients: longitudinal study on physical activity, fitness, nutrition, and its influences on quality of life, disease recurrence, and survival. Rationale and design

scientific article published on 11 October 2016

Capsule enteroscopy is useful for the therapeutic management of Crohn's disease

scientific article

Case description of cap retention in the submucosal tunnel during peroral endoscopic myotomy

scientific article published on 01 October 2012

Case series: ulcerative colitis, multiple sclerosis, and interferon-beta 1a

scientific article published on 01 December 2010

Caught in the act.

scientific article published on 28 October 2017

Cholecystoduodenal fistula diagnosed with contrast-enhanced endoscopic ultrasound

scientific article published on 6 March 2013

Choosing an equation for glomerular filtration rate in decompensated cirrhosis: "Royal Free Hospital" formula is able to predict short-term mortality

scientific article published on 04 June 2019

Choosing the Appropriate Endoscopic Armamentarium for Treatment of Anastomotic Leaks

scientific article published on 01 March 2019

Chronic hepatitis C treated with peginterferon alfa plus ribavirin in clinical practice.

scientific article published in July 2011

Cirrhosis and diabetes: C, the difference

scientific article published on 01 October 1999

Coexistence of Kaposi sarcoma and gastric diffuse large B-cell lymphoma in a HIV-infected patient.

scientific article published on July 2015

Colon cancer after infliximab therapy for Crohn's disease

scientific article published on 01 December 2010

Colonic mucormycosis

scientific article published on 6 March 2013

Conscience imperative of providing information and knowledge in hepatology: The Portuguese approach

scientific article published on January 2017

Contribution of transjugular liver biopsy in fulminant hepatic failure

scientific article published on 01 December 2000

Crypt dysplasia on Barrett's oesophagus

scientific article published on 27 June 2013

Curing HCV infection with 4 weeks-regimen of sofosbuvir and ledipasvir: To be remembered

scientific article published in September 2016

Development of a predictive model of Crohn's disease proximal small bowel involvement in capsule endoscopy evaluation

scientific article published on 12 May 2016

Direct peroral cholangioscopy with a conventional videogastroscope in a transplanted patient with anastomotic stricture and choledocholithiasis.

scientific article published in October 2015

Disseminated cutaneous herpes simplex infection in a patient with Crohn's disease under azathioprine and steroids: First case report and literature review

scientific article

Does it "ring" a Brunner's gland bell?

scientific article

Drug induced esophageal ulceration

scientific article published on 01 February 2006

Drug-induced small-bowel mucosal atrophy.

scientific article

Duodenal stump recurrence of gastric adenocarcinoma after subtotal gastrectomy

scientific article published in November 2016

Dysphagia in a young female patient: it's not always that simple

scientific article published on 24 December 2019

Dysplasia surveillance in an ulcerative colitis patient: Successful detection with Narrow band imaging and magnification

scientific article published on 18 September 2010

Early pancreatic cancer - The role of endoscopic ultrasound with or without tissue acquisition in diagnosis and staging

scientific article published on 05 October 2018

Education and endoscopy: an heuristic approach

scientific article published on 05 May 2009

Effect of Meal Ingestion on Liver Stiffness and Controlled Attenuation Parameter.

scientific article published on 20 April 2018

Efficacy of a reinforced protocol of HBV vaccination in cirrhotic patients waiting for orthotopic liver transplantation

scientific article published on 01 December 2000

Endoscopic Submucosal Dissection of a Giant Esophageal Lipoma

scientific article published in December 2016

Endoscopic Submucosal Dissection: Experience in Portugal

scientific article published on 20 August 2019

Endoscopic Ultrasound Images of a Choledochal Cyst Mimicking a Pregnant Uterus.

scientific article

Endoscopic assessment and grading of Barrett's esophagus using magnification endoscopy and narrow band imaging: impact of structured learning and experience on the accuracy of the Amsterdam classification system.

scientific article

Endoscopic management of late complication of blunt traumatic total pancreatic transection.

scientific article

Endoscopic resolution of acute cholecystitis secondary to biliary fully covered metal stent

scientific article published in October 2017

Endoscopic submucosal dissection of a schwann cell hamartoma mimicking a lateral spreading tumor of the rectum

scientific article published in July 2017

Endoscopic submucosal dissection of gastric lesions using the "yo-yo technique".

scientific article published on 4 December 2012

Endoscopic ultrasound in pancreatic cancer treatment: Facts and hopes

scientific article published on 29 March 2019

Esophageal and gastric ulceration due to synchronous herpes simplex virus, cytomegalovirus and Epstein-Barr virus infection

scientific article

Esophageal ectopic sebaceous glands

Esophageal piercing

scientific article published on 01 June 2006

Etanercept-induced granulomatous hepatitis as a rare cause of abnormal liver tests

scientific article published on 01 January 2019

Familial occurrence of nodular regenerative hyperplasia of the liver.

scientific article

First long-term prospective case series of Percutaneous Endoscopic Gastrostomy with Jejunal Extension for drug administration

scientific article published in September 2016

Fishbone impaction in the colon

scientific article published in June 2017

Gastric amyloidosis: unusual cause of upper gastrointestinal hemorrhage

scientific article published on 18 March 2011

Gastric inflammatory fibroid polyp mimicking a gastrointestinal stromal tumour

scientific article published in August 2016

Gastric necrosis caused by gastric banding

scientific article published on 23 February 2012

Gastrointestinal: anal Buschke Loewenstein tumor

scientific article published on 01 September 2012

Glypican-1 circulating exosomes: a promising clue to individualize surveillance of pancreatic cysts?

scientific article published on 15 February 2018

Grover's disease secondary to ribavirin

scientific article published in June 2000

Hepatic granulomas: a 17-year single tertiary centre experience.

scientific article

Hepatic perivascular epithelioid tumor (PEComa). A case report

scientific article published on 27 March 2017

Hepatitis C virus infection and liver transplantation

scientific article published in December 2000

Hepatobiliary and pancreatic: Terry's nails and liver disease

scientific article published on 01 September 2012

Hepatocellular Carcinoma Treatment With Sorafenib: Real-Life Evaluation of Prognostic Factors and a Practical Clue for Patient Management.

scientific article

Hepatocellular carcinoma in orthotopic liver transplantation candidates

scientific article published on 01 May 2003

Herpes and cytomegalovirus esophagitis

scientific article published on 19 June 2012

Herpes zoster following percutaneous liver biopsy.

scientific article published in April 2015

High C-reactive protein in Crohn's disease patients predicts nonresponse to infliximab treatment

scientific article published on 6 August 2013

Histological Outcomes and Predictive Value of Faecal Markers in Moderately to Severely Active Ulcerative Colitis Patients Receiving Infliximab

scientific article

How SpyGlass™ May Impact Endoscopic Retrograde Cholangiopancreatography Practice and Patient Management.

scientific article

How should we select suspected Crohn's disease patients for capsule enteroscopy?

scientific article published on 03 August 2019

Idiopathic internal anal sphincter degeneration: how common is it? Does size really matter?

scientific article published on 6 February 2017

Ileo-colonic infiltration in acute myeloid leukemia.

scientific article published on 6 March 2013

Implementation of screening and preventive strategies in liver transplant candidates

scientific article published in May 2003

In vivo assessment of gastrotomy closure with over-the-scope clips in an experimental model for varicocelectomy (with video).

scientific article published on 31 July 2009

Incidental findings in dyspepsia

scientific article published in November 2017

Increased hepatic expression of TLR2 and TLR4 in the hepatic inflammation-fibrosis-carcinoma sequence

scientific article published on 13 February 2012

Increased viability but decreased culturability of Mycobacterium avium subsp. paratuberculosis in macrophages from inflammatory bowel disease patients under Infliximab treatment

scientific article published on 22 February 2015

Infectious proctitis: a necessary differential diagnosis in ulcerative colitis

scientific article published on 06 November 2018

Interferon plus ribavirin: a cautionary note

scientific article published in October 1999

Is it possible to change phenotype progression in Crohn's disease in the era of immunomodulators? Predictive factors of phenotype progression

scientific article published on 6 May 2014

Ischemic gastropathy

scientific article published on 01 March 2012

Ischemic proctosigmoiditis mimmicking a colorectal tumor

scientific article published in July 2017

Isotretinoin and inflammatory bowel disease

scientific article published on 01 June 2007

Lamivudine: a new strategy to suppress HBV replication in the pretransplant setting

scientific article published on 01 December 2000

Lewis score: a useful tool for diagnosis and prognosis in Crohn's disease

scientific article published on 01 February 2020

Listeria infection in patients on anti-TNF treatment: report of two cases and review of the literature

scientific article published on 22 May 2012

Listeria monocytogenes bacteremia and CMV colitis in a patient with Ulcerative Colitis

scientific article

Liver abscess of the caudate lobe due to Staphylococcus aureus in an ulcerative colitis patient: First case report

scientific article published on 07 May 2011

Liver biopsy as a cause of Streptococcus bovis peritonitis

scientific article published on 01 June 1997

Liver transplantation for Corino de Andrade's disease in a patient with polysplenic syndrome

scientific article published on 01 May 2003

Looking into Enteric Virome in Patients with IBD: Defining Guilty or Innocence?

scientific article published on 14 June 2017

Luminal duplication wireless capsule endoscopy detection of Meckel's diverticulum

Macrophages from IBD patients exhibit defective tumour necrosis factor-α secretion but otherwise normal or augmented pro-inflammatory responses to infection.

scientific article published on 12 January 2011

Malignant Small Bowel Tumors: Diagnosis, Management and Prognosis

scientific article published on July 2015

Malignant and premalignant colorectal lesions in the 40s: The new generation to be screened?

scientific article published on 01 April 2019

Management of autoimmune hepatitis: Focus on pharmacologic treatments beyond corticosteroids

scientific article

Management of precancerous conditions and lesions in the stomach (MAPS): guideline from the European Society of Gastrointestinal Endoscopy (ESGE), European Helicobacter Study Group (EHSG), European Society of Pathology (ESP), and the Sociedade Portu

scientific article

Mantle cell lymphoma presenting as multiple lymphomatous polyposis of the small bowel

scientific article published on 01 March 2013

Meckel's ileitis versus Crohn's ileitis: diagnosis using balloon enteroscopy.

scientific article

Mediterranean spotted fever in a patient with Crohn's disease under adalimumab: First case report and review of the literature

scientific article

Metastatic cutaneous Crohn's disease of the face: a case report and review of the literature.

scientific article published on October 2011

Migration of esophageal self-expandable metal stent to the pleural cavity

scientific article published on 13 September 2011

Mixed Adenoneuroendocrine Tumor of the Rectum in an Ulcerative Colitis Patient

scientific article published on 08 June 2018

Multiple esophagopleural and esophagobronchial fistulas in a patient with Crohn's disease

scientific article published on 04 April 2012

New transillumination auxiliary technique for peroral endoscopic myotomy.

scientific article

Non-healing perianal ulcer in an immunocompetent patient as the presenting sign of a systemic disease

scientific article published on 15 December 2015

Nonvariceal upper gastrointestinal bleeding in Portugal: a multicentric retrospective study in twelve Portuguese hospitals.

scientific article published on 30 May 2012

Novel mutation identified in Cowden syndrome presenting as a gastric adenocarcinoma

scientific article

One Year of Lamivudine Therapy ??? for Portuguese Patients with ??? Chronic Hepatitis B

article

Oral squamous cell carcinoma in a Crohn's disease patient taking azathioprine: case report and review of the literature

scientific article published on 30 March 2012

Over-the-scope clip closure of gastrocutaneous fistula

scientific article published in September 2016

Pancreatic dysontogenetic cysts

scientific article published on 01 August 2014

Particular aspects of gastroenterological disorders in chronic kidney disease and end-stage renal disease patients: a clinically focused review

scientific article published on 06 February 2020

Pediatric-onset primary biliary cholangitis

scientific article published on 31 May 2019

Peripheral primitive neuroectodermal tumour of the liver: a case report and review of the literature.

scientific article published on 27 October 2011

Peroral esophageal segmentectomy and anastomosis with single transthoracic trocar: a step forward in thoracic NOTES

scientific article published on 13 January 2011

Pigmented hepatocellular adenoma with β-catenin activation: case report and literature review

scientific article published in July 2016

Predictive models of mortality and hospital readmission of patients with decompensated liver cirrhosis

scientific article published on 18 May 2019

Primary aortoenteric fistula

scientific article published on 23 June 2013

Primary biliary cholangitis in patients with inflammatory bowel disease

scientific article published on 03 June 2019

Pseudomelanosis duodeni: is there a common denominator?

scientific article published in October 2016

Radiofrequency ablation for the treatment of gastric dysplasia

scientific article published on 01 July 2013

Rectal ischaemia after stapled hemorrhoidopexy causing pain or bleeding: report of three cases.

scientific article

Rectovaginal Septum Nodule: The Key for an Unexpected Diagnosis.

scientific article published on 11 April 2018

Retention of endoscopic capsule in an umbilical hernia

scientific article published on 18 March 2011

Role of Direct Peroral Cholangioscopy in Difficult Biliary Stones: A Case Report

scientific article published on 16 January 2018

Role of Peroral Cholangioscopy for Diagnosis and Staging of Biliary Tumors

scientific article published on 15 January 2020

Skin conditions in diabetes mellitus: a clinical practice based panel.

scientific article published on 11 November 2015

Spontaneous bacterial empyema in a cirrhotic patient due to Clostridium perfringens: Case report and review of the literature

scientific article published on June 29, 2012

Successful endoscopic removal of a cocaine capsule in the stomach: should it be considered a safe therapeutic option?

scientific article published on 11 December 2014

Thalidomide-induced acute cholestatic hepatitis: case report and review of the literature.

scientific article published on 11 July 2012

The clinical challenge of chronic Q fever with isolated liver involvement

scientific article published on 18 July 2017

The missing piece

scientific article

The role of endoscopy in the management of liver transplant patients

scientific article published on 01 May 2003

The role of transjugular liver biopsy in a liver transplant center

scientific article published on 01 September 1999

Throw a bone here: an evil and rare consequence of foreign body passage

scientific article published on 10 February 2016

Transmission of HCV: the Portuguese case

scientific article published on 01 May 2000

Tuberculosis in anti-TNF-α treated patients remains a problem in countries with an intermediate incidence: analysis of 25 patients matched with a control population.

scientific article published on 11 April 2013

Upper Gastrointestinal Hemorrhage as an Unexpected Feature of Hepatocellular Carcinoma.

scientific article published on 5 May 2015

Upper Gastrointestinal Kaposi's Sarcoma in an HIV-Infected Patient.

scientific article

Vibrio cholerae non-O1 and non-O139 bacteremia in a non-traveler Portuguese cirrhotic patient: first case report.

scientific article published on 17 November 2012

Wilson’s disease: challenging diagnosis, management, and liver transplantation timing

scientific article published on 01 December 2000

tDysphagia after endoscopic treatment of oesophageal varice

scientific article published in September 2016