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    [Anomalous Systemic Arterialization of a Normal Basal Lung Segment with Aneurysm of the Aberrant Artery].
    Kyobu Geka 2016 Nov;69(12):1003-1007
    Department of Surgery, Oita Prefectural Hospital, Oita, Japan.
    A 40-year-old woman was noted to have clubbing of the nails during an outpatient service for smoking cessation. Chest computed tomography showed an aneurysm of an aberrant artery running from the descending aorta to the left lower lobe. Hence, we diagnosed anomalous systemic arterialization of the lung. Read More

    [Chronic kidney disease associated with Poems syndrome: Report of one case].
    Rev Med Chil 2016 Apr;144(4):516-20
    POEMS syndrome is characterized by Polyneuropathy, Organomegaly, Endocrinopathy, Monoclonal protein and Skin changes. We report a woman with the syndrome, who had peripheral polyneuropathy, osteosclerotic myeloma, monoclonal IgA elevation, hypothyroidism, hypogonadotrophic hypogonadism, hyperprolactinemia, adrenal insufficiency, hepatosplenomegaly, lymphadenopathy, thyroid and parotid enlargement, Castleman’s disease, papilledema, stiff and hyperpigmented skin, white nails, clubbing, ascites and chronic diarrhea. She had also a nephropathy characterized by microscopic hematuria, proteinuria, renal insufficiency and a unilateral kidney retraction. Read More

    [Tranverse acro-osteolysis: A rare cause of nail dystrophy].
    Ann Dermatol Venereol 2016 Apr 2;143(4):284-8. Epub 2016 Mar 2.
    Service de dermatologie, hôpital Saint-André, CHU de Bordeaux, 1, rue Jean-Burguet, 33000 Bordeaux, France. Electronic address:
    Background: Acro-osteolysis (AO) involves partial or total destruction of the distal phalanges of the fingers or toes. The range of forms of AO is extremely wide. A distinction is generally made between the acquired forms and the genetic and idiopathic forms. Read More

    Nail Deformities and Injuries.
    Prim Care 2015 Dec;42(4):677-91
    Department of Family and Community Medicine, Penn State Milton S. Hershey Medical Center, 500 University Avenue, Hershey, PA 17033, USA. Electronic address:
    A variety of nail deformities commonly presents in the primary care office. An understanding of nail anatomy coupled with inspection of the nails at routine office visits can reveal undetected disorders. Some problems are benign, and treatment should be attempted by the primary care provider, such as onychomycosis, paronychia, or ingrown toenails. Read More

    [If digital clubbing appears bear Marie-Bamberger disease in mind].
    Z Rheumatol 2015 Oct;74(8):728-30
    Klinik für Rheumatologie, HELIOS Seehospital Sahlenburg, Nordheimstr. 201, 27476, Cuxhaven, Deutschland.
    Secondary hypertrophic osteoarthropathy, also known as Marie-Bamberger disease, occurs in up to 5 % of patients with non-small cell lung cancer (NSCLC). If the syndrome constellation of finger clubbing and bone pain on palpation is recognized early, lung cancer can be diagnosed at an early stage. This article reports the case of a 52-year-old male patient with knee pain, distal edema, watchglass nails and finger clubbing which first appeared in August 2013. Read More

    [The use of nails to diagnosis diseases].
    Presse Med 2014 Nov 23;43(11):1208-15. Epub 2014 Oct 23.
    Nail disease centre, 42, rue des Serbes, 06400 Cannes, France. Electronic address:
    For those interested in nails, a fairly good knowledge of the anatomy of the nail unit is indispensable. But nothing will replace a careful, clinical examination of the nail apparatus. The shape of the nail, surface abnormalities and coloration, with or without a magnifying glass, may well provide a medical diagnosis not only in dermatology but also for medicine in general. Read More

    The microanatomic basis of finger clubbing - a high-resolution magnetic resonance imaging study.
    J Rheumatol 2014 Mar 15;41(3):523-7. Epub 2014 Jan 15.
    From the UK National Institute for Health Research (NIHR) Leeds Musculoskeletal Biomedical Research Unit, Chapel Allerton Hospital; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK; Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan; Department of Radiology, Faculty of Medicine, Shimane University, Shimane, Japan; Medical Physics and Engineering, Leeds Teaching Hospitals UK National Health Service (NHS) Trust, Leeds, UK.
    Objective: Hypervascularization in finger clubbing is recognized, but its microanatomical basis remains unclear. This pilot descriptive study used magnetic resonance imaging (MRI) to explore this further.

    Methods: High-resolution MRI acquired with contrast agent was carried out in 4 patients with finger clubbing and 4 healthy volunteers. Read More

    Cutaneous manifestations in patients with POEMS syndrome.
    Int J Dermatol 2013 Nov 4;52(11):1349-56. Epub 2013 Apr 4.
    Department of Dermatology, Mayo Clinic, RochesterDepartment of Laboratory Medicine and Pathology, Mayo Clinic, RochesterDivision of Hematology, Mayo Clinic, RochesterDivision of Clinical Biochemistry and Immunology, Mayo Clinic, RochesterDivision of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, MN, USA.
    Background: Polyneuropathy, organomegaly, endocrinopathy, monoclonal gammopathy, and skin changes syndrome is a rare multisystem paraneoplastic condition associated with plasma cell dyscrasia.

    Methods: From our institution's dysproteinemia database, 107 patients met criteria for polyneuropathy, organomegaly, endocrinopathy, monoclonal gammopathy, and skin changes syndrome between January 1, 2000, and October 1, 2009. Medical records were reviewed for documented syndrome features at diagnosis. Read More

    Mucocutaneous manifestations and nail changes in patients with end-stage renal disease on hemodialysis.
    Saudi J Kidney Dis Transpl 2013 Jan;24(1):36-40
    Department of Nephrology, Golestan University of Medical Sciences, Gorgan, Iran.
    Mucocutaneous manifestations are common among patients on hemodialysis (HD). This study was undertaken to determine the prevalence of mucocutaneous manifestations in patients with end-stage renal disease (ESRD) who are on HD. In this cross-sectional, descriptive and analytic study conducted in 2009, 100 patients on HD at the Five Azar Hospital in Gorgan city were randomly selected. Read More

    Diagnosis of digital clubbing by high-frequency ultrasound imaging.
    Int J Dermatol 2013 Jan;52(1):1-5
    Second Affiliated Hospital, Chongqing Medical University, China.
    Background: Current methods to diagnose clubbing have drawbacks. This study was done to test a novel and convenient method for the diagnosis of digital clubbing using high-frequency ultrasound.

    Methods: Index fingers from a healthy control group without digital clubbing and a patient group with digital clubbing were examined by ultrasound. Read More

    Fibromuscular dysplasia of the brachial artery associated with unilateral clubbing.
    Interact Cardiovasc Thorac Surg 2012 Dec 11;15(6):1080-1. Epub 2012 Sep 11.
    Department of Thoracic and Vascular Surgery, Antwerp University Hospital, Edegem, Belgium.
    A 46-year old male patient was admitted with a history of an extremely painful right upper arm, associated with unilateral clubbing. Duplex scanning and magnetic resonance imaging were suggestive of a pseudo-aneurysm of the brachial artery. Digital angiography showed an irregular brachial artery, associated with a small pseudo-aneurysm. Read More

    Evaluation of nail abnormalities.
    Am Fam Physician 2012 Apr;85(8):779-87
    Cleveland Clinic, Stongsville, OH, USA.
    Knowledge of the anatomy and function of the nail apparatus is essential when performing the physical examination. Inspection may reveal localized nail abnormalities that should be treated, or may provide clues to an underlying systemic disease that requires further workup. Excessive keratinaceous material under the nail bed in a distal and lateral distribution should prompt an evaluation for onychomycosis. Read More

    Nail hypertrophy after elective surgery on the little finger: a case report.
    Hand Surg 2011 ;16(3):383-6
    Department of Orthopaedic Surgery, Hand and Upper Extremity Service, Seoul National University Bundang Hospital, Seongnam, Korea.
    The authors present a case that developed acute painful nail hypertrophy of the ipsilateral four fingers which resembled finger clubbing after undergoing elective hand surgery on the little finger. The patient was diagnosed as having complex regional pain syndrome (CRPS), and the nail hypertrophy subsided gradually on pain control, and completely normalized one year after onset. Recognizing this phenomenon may help initiate early treatment for CRPS and avoid unnecessary antibiotic or antifungal medications for postoperative infection. Read More

    [POEMS syndrome. An interdisciplinary clinical challenge].
    Hautarzt 2011 Oct;62(10):722-5
    Hautklinik, Universitätsklinikum Düsseldorf.
    POEMS syndrome is a rare paraneoplastic syndrome due to a plasma cell dyscrasia, which includes peripheral neuropathy, organomegaly, endocrinopathy, monoclonal plasma cell proliferation and skin changes. Elevated levels of VEGF (vascular endothelial growth factor) in the serum of patients are suggested to play a pivotal role in the pathophysiology. A 60-year-old male presented with POEMS syndrome and painful edema, skin thickening of the distal extremities and livid-erythematous discoloration. Read More

    Pachydermoperiostosis with myelofibrosis and empty sella.
    J Assoc Physicians India 2010 Apr;58:253-5
    Department of Medicine, Sawai Man Singh Medical College and Hospital, Jaipur, India.
    A case of pachydermoperiostosis presented to us in rheumatology clinic with complaints of pain and swelling in knee joints unresponsive to treatment, characteristic facial features, grade four clubbing of nails and broadening of distal parts of extremities. He also complained of fatiguability which was due to anemia. The natural history of the disease was reviewed and investigated. Read More

    Reversal of nail changes after liver transplantation in a child.
    Indian J Gastroenterol 2009 Jul-Aug;28(4):154-6. Epub 2009 Nov 24.
    Department of Surgical Gastroenterology, Jaslok Hospital and Research Centre, Mumbai 400 026, India.
    We report a 6-year-old girl who received a left-lobe live-related liver transplant for decompensated liver disease after a failed Kasai's surgery for biliary atresia. Preoperatively, her nails were white, dystrophic, brittle with severe onycholysis, clubbing and watch-glass deformities. Nail scrapings were negative for fungus. Read More

    Nail changes in patients with liver disease.
    J Eur Acad Dermatol Venereol 2010 Jun 2;24(6):649-54. Epub 2009 Nov 2.
    Department of Dermatology and Venereology, Zagazig University, Zagazig, Egypt.
    Background: Liver cirrhosis, hepatitis C virus (HCV) and hepatitis B (HBV) virus infections are known to be associated with different skin disorders. Nail changes are additional important criteria, which would help in identification of these systemic diseases.

    Objective: To record the nail abnormalities in patients with liver disease which were not reported before, especially those with HCV and HBV infection. Read More

    [Idiopathic pulmonary fibrosis; description of a Dutch cohort].
    Ned Tijdschr Geneeskd 2009 ;153:B425
    St. Antonius Ziekenhuis, afd. Longziekten, Nieuwegein, The Netherlands.
    Objective: To describe the clinical presentation, diagnosis, and prognosis of a cohort of Dutch patients with idiopathic pulmonary fibrosis (IPF), a serious and rapidly progressive lung disease belonging to the idiopathic interstitial pneumonias.

    Design: Retrospective study of patient records.

    Method: The data from the clinical presentation, diagnosis, treatment and survival of all patients with IPF, diagnosed in the St. Read More

    Cranio-osteoarthropathy: a rare variant of hypertrophic osteoarthropathy.
    Ir J Med Sci 2012 Jun 9;181(2):257-61. Epub 2009 May 9.
    Department of Medicine, The Children's Hospital of Zhejiang University School of Medicine, 57 Zhugan Xiang, 310003, Hangzhou, China.
    Aim: To highlight the clinical features and diagnosis of cranio-osteoarthropathy, an extremely rare disease.

    Methods: Case report and literature review.

    Result: A 2. Read More

    Postoperative regression of clubbing at an unexpected rate in a patient with aortic and mitral valve replacement due to infective endocarditis.
    Ir J Med Sci 2009 Sep 9;178(3):351-3. Epub 2008 Oct 9.
    Department of Cardiology, Uludağ University Medical Faculty, 16059 Bursa, Turkey.
    Pulmonary diseases such as malignancies, empyema, bronchiectasis, digestive tract malignancies, inflammatory bowel diseases, cyanotic congenital heart diseases and infective endocarditis can cause clubbing. We present a 63-year-old female patient with infective endocarditis, who had clubbing that resolved very rapidly after cardiac surgery due to rupture of the mitral papillary muscle. She had persistent fever and in her echocardiographic examination rupture of the papillary muscle of the anterior mitral valve and significant aortic regurgitation was noted. Read More

    Mutation in the HPGD gene encoding NAD+ dependent 15-hydroxyprostaglandin dehydrogenase underlies isolated congenital nail clubbing (ICNC).
    J Med Genet 2009 Jan 19;46(1):14-20. Epub 2008 Sep 19.
    Department of Biochemistry, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan.
    Background: Isolated congenital nail clubbing (ICNC) is a rare autosomal recessive disorder characterised by enlargement of the terminal segments of fingers and toes with thickened nails due to proliferation of the connective tissues and abnormal function of the nail matrix. In the present study, we investigated a large Pakistani family with 11 affected individuals having hereditary congenital nail clubbing as a single invariable clinical feature without any associated ectodermal, skeletal or systemic imperfection.

    Objective: To identify a gene underlying the ICNC phenotype. Read More

    Nail changes in chronic renal failure patients under haemodialysis.
    J Eur Acad Dermatol Venereol 2008 Nov 5;22(11):1326-31. Epub 2008 Jun 5.
    Department of Dermatology & Venereology, Zagazig University, Zagazig, Egypt.
    Background: Chronic renal failure is known to cause various nail pathologies. They may be directly related to the renal condition itself or its complications or to the therapy.

    Objective: To compare nail changes in end-stage renal failure patients under haemodialysis with healthy persons and to study the potential relationship with various parameters in the patients. Read More

    Clubbed fingers: radiological evaluation of the nail bed thickness.
    Clin Anat 2008 May;21(4):314-8
    The Post-Graduation Program in Chest Medicine Sciences, Federal University of Rio Grande do Sul, Porto Alegre, Brazil.
    It is established that there is an increase in soft tissue of the clubbed digits as demonstrated on previous histopathological examinations. In the present study, the nail bed thickness was assessed and measured on plain radiographs of index fingers in two groups of patients: one group with lung disease and fingers clubbing and one group of normal controls. A vertical x-ray beam was used with a focus-film distance of 1. Read More

    The clinical features of HIV/AIDS at presentation at the Jos University Teaching Hospital.
    Niger J Med 2008 Jan-Mar;17(1):83-7
    AIDS Prevention Initiative Nigeria Centre, Jos University Teaching Hospital, Jos, Nigeria.
    Background: The clinical characteristics and consequences of HIV-I infection observed in studies from developed countries cannot be generalized across the multiple virus subtypes that circulate in sub-Saharan Africa in general and Nigeria in particular. This study was therefore conducted to determine the commonest symptoms and signs at presentation in HIV-infected individuals at the Jos University Teaching Hospital.

    Method: This descriptive study was conducted at the antiretroviral clinic of the Jos University Teaching Hospital, Jos, between May and October 2004. Read More

    [Atypical presentation of lung cancer].
    Acta Reumatol Port 2007 Jul-Sep;32(3):282-6
    Serviço de Radiologia, Hospital Santo Espirito de Angra no Heroísmo, Ponta Delgada.
    The authors present the clinical case of a 61-year-old male admitted to the emergency department, with arthritis of his right wrist and left knee as well as left leg cellulitis, digital clubbing and 'hourglass' nails. Subsequent clinical work-up led to the final diagnosis of stage IV adenocarcinoma of the lung, with bone metastasis. The authors discuss the association between this type of lung neoplasm and osteoarticular manifestations as well as its first presentation as bone metastasis. Read More

    The nail in systemic diseases.
    Dermatol Clin 2006 Jul;24(3):341-7
    Department of Dermatology, University of Bologna, Via Massarenti 1-40138, Bologna, Italy.
    Although abnormalities of the nails have been reported in different systemic disorders,most of these abnormalities are nonspecific. This article reports and discusses only those nail signs that provide the clinician with clues for the diagnosis of systemic disorders. Read More

    [Pachydermoperiostosis (primary hypertrophic osteoarthropathy)].
    Medicina (B Aires) 2006 ;66(2):147-9
    División Reumatología, Hospital de Clínicas José de San Martín, Facultad de Medicina, Universidad de Buenos Aires.
    Pachydermoperiostosis or primary hypertrophic osteoarthropathy is a rare disease characterized by cutaneous and osteoarthicular involvement. We describe two patients with finger clubbing, watch crystal nails, bones thickenings, arthritis and different grades of skin affection, without other clinical manifestations. Both did not know of having relatives with the same alterations. Read More

    Treatment options for POEMS syndrome.
    Expert Opin Pharmacother 2005 Jun;6(6):945-53
    Division of Hematology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA.
    POEMS syndrome is a rare paraneoplastic syndrome secondary to a plasma cell dyscrasia. Recognition of the complex of a combination of peripheral neuropathy, organomegaly, endocrinopathy, monoclonal plasmaproliferative disorder, skin changes, sclerotic bone lesions, Castleman's disease, thrombocytosis, papilledema, peripheral oedema, pleural effusions, ascites, fingernail clubbing and white nails, is the first step in effectively managing the disease. More than 95% of patients will have monoclonal lambda sclerotic plasmacytoma(s) or bone marrow infiltration. Read More

    Treatment of POEMS syndrome.
    Curr Treat Options Oncol 2004 Jun;5(3):249-57
    Division of Hematology and Internal Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA.
    POEMS (polyneuropathy, organomegaly, endocrinopathy, M protein, and skin changes) syndrome is a rare multisystemic paraneoplastic syndrome driven by an underlying plasma cell dyscrasia. More than 95% of patients will have monoclonal lambda sclerotic plasmacytoma(s) or bone marrow infiltration. Recognition of the complex of a combination of peripheral neuropathy, organomegaly, endocrinopathy, monoclonal plasmaproliferative disorder, skin changes, sclerotic bone lesions, Castleman disease, thrombocytosis, papilledema, peripheral edema, pleural effusions, ascites, fingernail clubbing, and white nails is the first step in effectively managing the disease. Read More

    Nail abnormalities: clues to systemic disease.
    Am Fam Physician 2004 Mar;69(6):1417-24
    Thomas M. Hart Family Practice Residency Program, York Hospital, York, Pennsylvania 17405, USA.
    The visual appearance of the fingernails and toenails may suggest an underlying systemic disease. Clubbing of the nails often suggests pulmonary disease or inflammatory bowel disease. Koilonychia, or "spoon-shaped" nails, may stimulate a work-up for hemochromatosis or anemia. Read More

    ['Palm reading' as a diagnostic aid].
    Ned Tijdschr Geneeskd 2004 Jan;148(2):53-6
    Afd. Longziekten, VU Medisch Centrum, Postbus 7057, 1007 MB Amsterdam.
    In four patients, a man aged 53, a woman aged 63 and two men aged 67 and 53 years, respectively, inspection of the hand led to the final diagnosis. In the first patient who presented with clubbing of the fingers and pulmonary hypertension, a small atrial septal defect was detected. The second patient had thick curved yellow nails and recurrent pleural effusions as part of this yellow nail syndrome. Read More

    Pachydermoperiostosis and psoriatic onychopathy: an unusual association.
    J Eur Acad Dermatol Venereol 2003 Jan;17(1):73-6
    Dipartimento Osteo-Articolare, Unità Operativa di Reumatologia e Medicina Interna, Azienda Ospedaliera di Parma, Via Gramsci, 14, 43100 Parma, Italy.
    A 33-year-old man, suffering from cutaneous psoriasis since the age of 16, in the last 6 years experienced slow and painless enlargement at his fingertips and later at his big toes, which resulted in digital clubbing. Since the age of 31, the patient also presented psoriatic nail changes involving all his fingernails, without joint pain or inflammation. The patient's family history was negative for psoriasis, however, his brother, a 29-year-old healthy man, also presented digital clubbing. Read More

    Pachydermoperiostosis: Three case reports.
    J Orthop Surg (Hong Kong) 2001 Jun;9(1):61-66
    Department of Orthopaedic Surgery, Kasturba Medical College and Hospital, Karnataka, India.
    Three patients with pachydermoperiostosis are reported. All patients presented with moderate pain and swelling in multiple joints unresponsive to treatment, characteristic facial features which were marked in two cases, clubbing of nails and enlargement of distal parts of the extremities. One patient had spondylolisthesis of L5-S1 vertebrae, an association not previously described in this syndrome. Read More

    The rational clinical examination. Does this patient have clubbing?
    JAMA 2001 Jul;286(3):341-7
    Queen's University, Hotel Dieu Hospital, 166 Brock St, Kingston, Ontario, Canada K7L 5G2.
    Context: The association between digital clubbing and a host of diseases has been recognized since the time of Hippocrates. Although the features of advanced clubbing are familiar to most clinicians, the presence of early clubbing is often a source of debate.

    Objective: To perform a systematic review of the literature for information on the precision and accuracy of clinical examination for clubbing. Read More

    Is immunoproliferative small intestinal disease uncommon in India?
    Trop Gastroenterol 2001 Jan-Mar;22(1):14-7
    Department of Gastroenterology, Institute of Postgraduate Medical Education and Research, 244, AJC Bose Road, Calcutta 700020.
    Till date only three series of immunoproliferative small intestinal disease (IPSID) describing 22 patients have been reported from India. Seven patients with IPSID in two tertiary referral centers in India are included in the study. Diagnosis was based on typical clinical features [diarrhoea (7/7), weight loss (7/7), clubbing (6/7), fever (3/7), abdominal pain and lump (3/7)], biochemical evidence of malabsorption and duodenal biopsy findings. Read More

    Nail pathology in patients with hemiplegia.
    Br J Dermatol 2001 Mar;144(3):557-60
    Unit of Dermatology, Oasi Institute for Research on Mental Retardation and Brain Ageing (IRCCS), Via Conte Ruggero 73, 94018 Troina, Italy.
    Background: It is well known that nails can be involved in some diseases of the central nervous system; however, no systematic study has been carried out in order to evaluate the incidence and the possible mechanisms of these nail changes in hemiplegia.

    Objectives: To study the presence of nail pathology specifically associated with hemiplegia and to evaluate its incidence and its temporal relationship with the onset of the neurological deficit.

    Methods: In an open study, fingernails and toenails were examined by a dermatologist; 108 were patients with hemiplegia due to a stroke, consecutively admitted to our Department of Neurology between 1995 and 1998, and 121 were normal controls. Read More

    Radioisotope bone scanning in pulmonary alveolar microlithiasis.
    Clin Nucl Med 2000 Jun;25(6):474-5
    Department of Nuclear Medicine, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
    A 30-year-old woman was examined for a history of exertional breathlessness, swelling of her feet, and a mild dry cough of 4 to 5 months' duration. Her symptoms developed during the last month of her pregnancy, with gradually increasing dyspnea, swelling of the feet, and reduced urinary output. There was no history of expectoration, hemoptysis, chest pain, or tuberculosis. Read More

    Nail changes in patients infected with human immunodeficiency virus. A prospective controlled study.
    Arch Dermatol 1998 Oct;134(10):1216-20
    Dermatology Department, University Hospital, Strasbourg, France.
    Objectives: To study the frequency of nail changes in a population of human immunodeficiency virus (HIV)-infected patients and to evaluate the specificity of these findings by comparison with HIV-negative control subjects.

    Design: Prospective controlled study. Nail changes were recorded by a standardized clinical examination (curvature, nail plate, color, onychomycosis). Read More

    Nail abnormalities in rheumatoid arthritis.
    Br J Dermatol 1997 Dec;137(6):958-62
    Clinique Dermatologique des Hôpitaux Universitaires de Strasbourg, France.
    Many nail abnormalities have traditionally been described in association with rheumatoid arthritis (RA), but their specificity has never been assessed in a controlled study. Our purpose was to evaluate the frequency and the specificity of nail changes associated with RA in a case-controlled study including 50 patients suffering from RA and 50 controls. For each patient, a general skin examination was performed and the 20 nails were examined. Read More

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