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  1. Article ; Online: Pulmonary hyalinising granuloma: a rare and elusive cause of multiple lung nodules.

    Tang, Ivan / Moore, Alastair J / Fryer, Eve / Sykes, Annemarie

    BMJ case reports

    2020  Volume 13, Issue 3

    Abstract: A 72-year-old woman was referred with incidentally detected multiple lung nodules, one of which was identified ... ...

    Abstract A 72-year-old woman was referred with incidentally detected multiple lung nodules, one of which was identified as
    MeSH term(s) Aged ; Diagnosis, Differential ; Female ; Fluorodeoxyglucose F18 ; Granuloma/diagnostic imaging ; Granuloma/surgery ; Humans ; Multiple Pulmonary Nodules/diagnostic imaging ; Multiple Pulmonary Nodules/surgery ; Positron Emission Tomography Computed Tomography
    Chemical Substances Fluorodeoxyglucose F18 (0Z5B2CJX4D)
    Language English
    Publishing date 2020-03-25
    Publishing country England
    Document type Case Reports ; Journal Article
    ISSN 1757-790X
    ISSN (online) 1757-790X
    DOI 10.1136/bcr-2019-233327
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Recurrent metastatic breast cancer presenting with portal hypertension and pseudocirrhosis.

    Adler, Maciej / Tang, Ivan / Gach, Michael William / MacFaul, George

    BMJ case reports

    2019  Volume 12, Issue 11

    Abstract: We present a case of a 63-year-old woman with an acute history of abdominal distension and shortness of breath. She had no risk factors for liver disease though her prior medical history was positive for breast carcinoma, in remission for 14 years. ... ...

    Abstract We present a case of a 63-year-old woman with an acute history of abdominal distension and shortness of breath. She had no risk factors for liver disease though her prior medical history was positive for breast carcinoma, in remission for 14 years. Examination and investigations were initially consistent with decompensated cirrhosis, thought to be due to subclinical autoimmune hepatitis. Imaging revealed hepatic contour irregularity, atrophy of the liver parenchyma and numerous lesions highly suggestive for multifocal hepatocellular carcinoma. Surprisingly, tissue histology revealed no evidence of cirrhosis, but recurrence of breast cancer which had mimicked cirrhosis. Pseudocirrhosis may be indistinguishable from true cirrhosis without histopathology. It has previously been linked to chemotherapy-induced hepatic injury and nodular regenerative hyperplasia, although our case illustrates an uncommon pathophysiology. Pseudocirrhosis often represents a poor prognosis even with a good baseline performance status, and early involvement of palliative care specialists may be advisable.
    MeSH term(s) Breast Neoplasms/complications ; Breast Neoplasms/pathology ; Carcinoma/complications ; Carcinoma/diagnosis ; Carcinoma/secondary ; Diagnosis, Differential ; Female ; Humans ; Hypertension, Portal/diagnosis ; Hypertension, Portal/etiology ; Liver/pathology ; Liver Cirrhosis/diagnosis ; Liver Neoplasms/complications ; Liver Neoplasms/diagnosis ; Liver Neoplasms/secondary ; Middle Aged ; Neoplasm Recurrence, Local/pathology
    Language English
    Publishing date 2019-11-24
    Publishing country England
    Document type Case Reports ; Journal Article
    ISSN 1757-790X
    ISSN (online) 1757-790X
    DOI 10.1136/bcr-2019-231044
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Novel coronavirus (COVID-19) infection: What a doctor on the frontline needs to know.

    Down, Billy / Kulkarni, Sagar / Khan, Ameer Hamid Ahmed / Barker, Benjamin / Tang, Ivan

    Annals of medicine and surgery (2012)

    2020  Volume 55, Page(s) 24–29

    Abstract: Coronavirus disease 2019 (COVID-19) is a zoonotic respiratory infection originating from Wuhan, China. Rapidly spreading from Wuhan to all inhabited continents of the world, the World Health Organisation declared COVID-19 a pandemic on March 11, 2019. ... ...

    Abstract Coronavirus disease 2019 (COVID-19) is a zoonotic respiratory infection originating from Wuhan, China. Rapidly spreading from Wuhan to all inhabited continents of the world, the World Health Organisation declared COVID-19 a pandemic on March 11, 2019. Infected patients present with fever and cough; radiological features include bilateral infiltrates on chest x-ray and computed tomography scanning. Management is supportive with oxygen supplementation, broad-spectrum antibiotics as well as careful fluid balancing. A number of drugs, both new and old, are currently in clinical trials and being used on an experimental basis in clinical practice. The COVID-19 pandemic is the greatest worldwide public health crisis of a generation, and has led to seismic political, economic and social changes. This review provides an overview of COVID-19 for junior doctors who find themselves on a new frontline of healthcare.
    Keywords covid19
    Language English
    Publishing date 2020-05-13
    Publishing country England
    Document type Journal Article ; Review
    ZDB-ID 2745440-X
    ISSN 2049-0801
    ISSN 2049-0801
    DOI 10.1016/j.amsu.2020.05.014
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Effect of CPAP on cardiovascular events in minimally symptomatic OSA: long-term follow-up of the MOSAIC randomised controlled trial.

    Tang, Ivan / Turnbull, Chris D / Sen, Dushendree / Craig, Sonya / Kohler, Malcolm / Stradling, John R

    BMJ open respiratory research

    2020  Volume 7, Issue 1

    Abstract: The effect of continuous positive airway pressure (CPAP) on cardiovascular events is uncertain in minimally symptomatic obstructive sleep apnoea. Previous 2-year follow-up data from the Multicentre Obstructive Sleep Apnoea Intervention Cardiovascular ( ... ...

    Abstract The effect of continuous positive airway pressure (CPAP) on cardiovascular events is uncertain in minimally symptomatic obstructive sleep apnoea. Previous 2-year follow-up data from the Multicentre Obstructive Sleep Apnoea Intervention Cardiovascular (MOSAIC) trial showed a marginal reduction in cardiovascular events with CPAP therapy. We now present long-term MOSAIC study follow-up data. Median (first quartile, third quartile) follow-up was 5.0 (2.2, 5.0) and 3.7 (1.5, 5.0) years for CPAP and standard care, respectively. Compared to standard care, CPAP had no statistically significant effect on the risk of cardiovascular events (HR=0.83, p=0.54, 95% CI 0.46-1.51).
    MeSH term(s) Aged ; Cardiovascular Diseases/epidemiology ; Cardiovascular Diseases/etiology ; Continuous Positive Airway Pressure/methods ; Female ; Follow-Up Studies ; Humans ; Kaplan-Meier Estimate ; Male ; Middle Aged ; Proportional Hazards Models ; Randomized Controlled Trials as Topic ; Sleep Apnea, Obstructive/complications ; Sleep Apnea, Obstructive/therapy ; Treatment Outcome
    Language English
    Publishing date 2020-09-14
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2736454-9
    ISSN 2052-4439 ; 2052-4439
    ISSN (online) 2052-4439
    ISSN 2052-4439
    DOI 10.1136/bmjresp-2020-000742
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: Post pancreatitis/cholecystectomy gluten intolerance.

    Tang, Ivan / MacFaul, George / Madhotra, Ravi / Rostami, Kamran

    Gastroenterology and hepatology from bed to bench

    2018  Volume 11, Issue 3, Page(s) 273–275

    Abstract: This case report describes the journey of a patient who suffered from life-limiting gastrointestinal symptoms after an acute bout of pancreatitis following ERCP for cholelithiasis bile following a ductal stone, and subsequent cholecystectomy. She was ... ...

    Abstract This case report describes the journey of a patient who suffered from life-limiting gastrointestinal symptoms after an acute bout of pancreatitis following ERCP for cholelithiasis bile following a ductal stone, and subsequent cholecystectomy. She was diagnosed and treated for IBS with medication without significant improvement. On implementation of a simple gluten and lactose exclusion diet she recovered to her premorbid state, and trials of gluten challenge triggered flares of symptoms. This case report will go on to discuss current evidence for use of gluten and lactose exclusion diets in some gluten sensitive patients misdiagnosed with IBS.
    Language English
    Publishing date 2018-07-12
    Publishing country Iran
    Document type Case Reports
    ZDB-ID 2569124-7
    ISSN 2008-4234 ; 2008-2258
    ISSN (online) 2008-4234
    ISSN 2008-2258
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article: Novel coronavirus (COVID-19) infection: What a doctor on the frontline needs to know

    Down, Billy / Kulkarni, Sagar / Ahmed Khan, Ameer Hamid / Barker, Benjamin / Tang, Ivan

    Abstract: Coronavirus disease 2019 (COVID-19) is a zoonotic respiratory infection originating from Wuhan, China. Rapidly spreading from Wuhan to all inhabited continents of the world, the World Health Organisation declared COVID-19 a pandemic on March 11, 2019. ... ...

    Abstract Coronavirus disease 2019 (COVID-19) is a zoonotic respiratory infection originating from Wuhan, China. Rapidly spreading from Wuhan to all inhabited continents of the world, the World Health Organisation declared COVID-19 a pandemic on March 11, 2019. Infected patients present with fever and cough; radiological features include bilateral infiltrates on chest x-ray and computed tomography scanning. Management is supportive with oxygen supplementation, broad-spectrum antibiotics as well as careful fluid balancing. A number of drugs, both new and old, are currently in clinical trials and being used on an experimental basis in clinical practice. The COVID-19 pandemic is the greatest worldwide public health crisis of a generation, and has led to seismic political, economic and social changes. This review provides an overview of COVID-19 for junior doctors who find themselves on a new frontline of healthcare.
    Keywords covid19
    Publisher WHO
    Document type Article
    Note WHO #Covidence: #245314
    Database COVID19

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  7. Article ; Online: Novel coronavirus (COVID-19) infection

    Down, Billy / Kulkarni, Sagar / Khan, Ameer Hamid Ahmed / Barker, Benjamin / Tang, Ivan

    Annals of Medicine and Surgery

    What a doctor on the frontline needs to know

    2020  Volume 55, Page(s) 24–29

    Keywords covid19
    Language English
    Publisher Elsevier BV
    Publishing country us
    Document type Article ; Online
    ZDB-ID 2745440-X
    ISSN 2049-0801
    ISSN 2049-0801
    DOI 10.1016/j.amsu.2020.05.014
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  8. Article ; Online: Revisit of Optimal Donor Number Estimation in the Hong Kong Bone Marrow Donor Registry.

    Ho, Jenny Chung Yee / Cheung, Stephen Kwok Fan / Lui, Zhongyi / Tang, Ivan Wing Hong / Yang, Wanling / Ip, Patrick / Lee, Cheuk Kwong / Middleton, Derek / Kwok, Janette Siu Yin

    Frontiers in immunology

    2021  Volume 12, Page(s) 638253

    Abstract: High resolution typing of the HLA-DPB1 locus for patient who requested for hematopoietic stem cell transplantation (HSCT) workup has recently become mandatory by the National Marrow Donor Program (NMDP) in order to facilitate matching between donors and ... ...

    Abstract High resolution typing of the HLA-DPB1 locus for patient who requested for hematopoietic stem cell transplantation (HSCT) workup has recently become mandatory by the National Marrow Donor Program (NMDP) in order to facilitate matching between donors and recipients for better outcomes. The likelihood of identifying HLA matched donors in Hong Kong, on top of the existing HLA-A, -B, -C, and -DRB1 loci, is revisited in this study. HLA-A, -B, -C, -DRB1 and -DPB1 genotypes of 5,266 volunteer unrelated Chinese donors from the Hong Kong Bone Marrow Donor Registry (HKBMDR), were included in this study. Matching models were employed to determine the matching probabilities for 10/10(DPB1) and 9/10(DPB1) HLA match. The matching probabilities are 20% at 10/10(DPB1) HLA match and 55% at 9/10(DPB1) match, based on the existing 130,000 donors in the HKBMDR. The likelihoods of match become 27% and 65% respectively, by increasing the registry to 250,000. However, if DPB T-cell-epitope (TCE) model is considered in the matching, the probability will increase to 46% at 10/10 DPB1 permissive mismatching. Our findings provide vital information about the future planning on the targeted recruitment size, HLA typing and search strategies of the donor registry and arose the transplant physicians' acceptability to 9/10(DBP1) or 10/10(DBP1) HLA match. Nevertheless, the marrow donor registry has planned for increasing the registry size and bringing down the age of recruited donors which will ultimately enhance patient outcome.
    MeSH term(s) Bone Marrow Transplantation ; Directed Tissue Donation ; Epitopes, T-Lymphocyte/genetics ; Gene Frequency ; Genotype ; HLA-DP beta-Chains/genetics ; Histocompatibility ; Histocompatibility Testing ; Hong Kong ; Humans ; Polymorphism, Genetic ; Registries ; Tissue Donors
    Chemical Substances Epitopes, T-Lymphocyte ; HLA-DP beta-Chains ; HLA-DPB1 antigen
    Language English
    Publishing date 2021-04-16
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2606827-8
    ISSN 1664-3224 ; 1664-3224
    ISSN (online) 1664-3224
    ISSN 1664-3224
    DOI 10.3389/fimmu.2021.638253
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Massive haemoptysis and ventilatory failure in pregnancy.

    Flight, William G / Tang, Ivan / Gates, Alison / Snowball, Joanna / Wrightson, John M / Mackillop, Lucy / Chapman, Stephen J

    Thorax

    2019  Volume 74, Issue 8, Page(s) 818–820

    MeSH term(s) Adult ; Bronchiectasis/etiology ; Bronchiectasis/therapy ; Cesarean Section ; Cystic Fibrosis/complications ; Cystic Fibrosis/diagnosis ; Cystic Fibrosis/therapy ; Female ; Hemoptysis/etiology ; Humans ; Noninvasive Ventilation ; Nutrition Assessment ; Pregnancy ; Pregnancy Complications/etiology ; Pregnancy Complications/therapy ; Respiratory Insufficiency/etiology ; Respiratory Insufficiency/therapy
    Language English
    Publishing date 2019-05-31
    Publishing country England
    Document type Case Reports ; Journal Article
    ZDB-ID 204353-1
    ISSN 1468-3296 ; 0040-6376
    ISSN (online) 1468-3296
    ISSN 0040-6376
    DOI 10.1136/thoraxjnl-2019-213292
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Establishing Simultaneous T Cell Receptor Excision Circles (TREC) and K-Deleting Recombination Excision Circles (KREC) Quantification Assays and Laboratory Reference Intervals in Healthy Individuals of Different Age Groups in Hong Kong.

    Kwok, Janette S Y / Cheung, Stephen K F / Ho, Jenny C Y / Tang, Ivan W H / Chu, Patrick W K / Leung, Eric Y S / Lee, Pamela P W / Cheuk, Daniel K L / Lee, Vincent / Ip, Patrick / Lau, Y L

    Frontiers in immunology

    2020  Volume 11, Page(s) 1411

    Abstract: The clinical experience gathered throughout the years has raised awareness of primary immunodeficiency diseases (PIDD). T cell receptor excision circles (TREC) and kappa-deleting recombination excision circles (KREC) assays for thymic and bone marrow ... ...

    Abstract The clinical experience gathered throughout the years has raised awareness of primary immunodeficiency diseases (PIDD). T cell receptor excision circles (TREC) and kappa-deleting recombination excision circles (KREC) assays for thymic and bone marrow outputs measurement have been widely implemented in newborn screening (NBS) programs for Severe Combined Immunodeficiency. The potential applications of combined TREC and KREC assay in PIDD diagnosis and immune reconstitution monitoring in non-neonatal patients have been suggested. Given that ethnicity, gender, and age can contribute to variations in immunity, defining the reference intervals of TREC and KREC levels in the local population is crucial for setting up cut-offs for PIDD diagnosis. In this retrospective study, 479 healthy Chinese sibling donors (240 males and 239 females; age range: 1 month-74 years) from Hong Kong were tested for TREC and KREC levels using a simultaneous quantitative real-time PCR assay. Age-specific 5
    MeSH term(s) Adolescent ; B-Lymphocytes ; Biomarkers/blood ; Child ; Child, Preschool ; DNA, Circular/blood ; Female ; Healthy Volunteers ; Hong Kong ; Humans ; Infant ; Infant, Newborn ; Male ; Neonatal Screening/methods ; Reference Values ; Severe Combined Immunodeficiency/diagnosis ; T-Lymphocytes
    Chemical Substances Biomarkers ; DNA, Circular
    Language English
    Publishing date 2020-07-16
    Publishing country Switzerland
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2606827-8
    ISSN 1664-3224 ; 1664-3224
    ISSN (online) 1664-3224
    ISSN 1664-3224
    DOI 10.3389/fimmu.2020.01411
    Database MEDical Literature Analysis and Retrieval System OnLINE

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