21. Ochronosis Definition - Medical Dictionary Definitions Of Popular Medical Terms Online Medical Dictionary and glossary with medical definitions. http://www.medterms.com/script/main/art.asp?articlekey=39943

22. Alkaptonuria Alkaptonuric ochronosis; Hereditary Alkaptonuria; Homogentisic Acid Oxidase connective tissue and bone, creating a condition called ochronosis. http://my.webmd.com/hw/health_guide_atoz/nord23.asp

var guid_source = ""; var guid_source_id = ""; //unused var encodedurl = ""; WebMD Today Home WebMD News Center XML News via RSS Member Services WebMD University My WebMD Find a Physician Medical Info Check Symptoms Medical Library Health Tools Clinical Trials ... Women, Men, Lifestyle Who We Are About WebMD Site Map You are in Medical Library Our Content Sources Ask A Question Clinical Trials Health Guide A-Z Health Topics Symptoms Medical Tests Medications ... For a Complete Report Alkaptonuria Important It is possible that the main title of the report Alkaptonuria is not the name you expected. Please check the synonyms listing to find the alternate name(s) and disorder subdivision(s) covered by this report. Synonyms Alcaptonuria (alternate spelling for Alkaptonuria) Alkaptonuric Ochronosis Hereditary Alkaptonuria Homogentisic Acid Oxidase Deficiency Homogentisic Acidura Ochronosis Ochronotic Arthritis Disorder Subdivisions None General Discussion Alkaptonuria is a rare hereditary disorder in which homogentisic acid accumulates in the body and destroys connective tissue and bone, creating a condition called ochronosis. Symptoms generally begin during the second or third decade of life, and may progress to incapacitating bone and joint disease by the sixth to eighth decade of life. The condition is characterized by the excretion of large volumes of dark colored urine. The darkened urine is the result of the exposure to the air of homogentisic acid that accumulates in the urine. Resources CLIMB (Children Living with Inherited Metabolic Diseases)

23. Dr. Koop - Alkaptonuria Alcaptonuria; Homogentisic acid oxidase deficiency; ochronosis. Causes, incidence,and risk factors. Alkaptonuria is an autosomal recessive inherited http://www.drkoop.com/ency/93/001200.html

Home Health Reference Alkaptonuria Jul 29, 2005 Search: Dr.Koop MEDLINE Diseases Symptoms Procedures Natural Medicine ... Drug Library Inside DrKoop News Archive Animations Health Videos Health Tools ... Newsletters Alkaptonuria Injury Disease Nutrition Poison ... Prevention Alkaptonuria Definition: Alkaptonuria is a rare inherited disorder of metabolism characterized by urine which turns black when exposed to air. Another characteristic is the development of arthritis in adulthood. Alternative Names: Alcaptonuria; Homogentisic acid oxidase deficiency; Ochronosis Causes, incidence, and risk factors: Alkaptonuria is an autosomal recessive inherited disorder. In affected individuals, an amino acid known as tyrosine is not properly metabolized, due to a defect in an enzyme called homogentisic acid oxidase. Because of the defect, homogentisic acid is excreted in the urine and turns a brown color upon exposure to air. This is the result of a dark pigment with an ochre color (earthy red or yellow), which led to the name ochronosis. The bones and cartilage of the body can be brown colored. New Features Fewer Migraines Skin Cancer Atkins/Low Carb Diets Learn More About Migraines * All Health Centers * Acne Addictions AIDS/HIV Alcohol Abuse Allergies Alternative Medicine Alzheimer's Arthritis Asthma Attention Deficit Disorder (ADHD) Backache Bipolar Affective Disorder Birth Control Blood Blood Pressure Bone/Joint/Tendon Bowel Brain Breast cancer Cancer Cerebral Palsy Cholesterol Cramps Crohn's Disease Cysts Dental/Oral Depression Diabetes Diet, Fitness, Looks

24. AllRefer Health - Alkaptonuria (Alcaptonuria, Homogentisic Acid Oxidase Deficien Alkaptonuria (Alcaptonuria, Homogentisic Acid Oxidase Deficiency, ochronosis)information center covers causes, prevention, symptoms, diagnosis, treatment, http://health.allrefer.com/health/alkaptonuria-info.html

AllRefer Channels :: Yellow Pages Reference Health Home ... Contact Us Quick Jump ADD/ADHD Allergies Alzheimer's Disease Arthritis Asthma Back Pain Breast Cancer Cancer Colon Cancer Depression Diabetes Gallbladder Disease Heart Attack Hepatitis High Cholesterol HIV/AIDS Hypertension Lung Cancer Menopause Migraines/Headaches Osteoporosis Pneumonia Prostate Cancer SARS Stroke Urinary Tract Infection 1600+ More Conditions Alternative Medicine Health News Symptoms Guide Special Topics ... Medical Encyclopedia Web health.allrefer.com You are here : AllRefer.com Health Alkaptonuria Alkaptonuria Definition Prevention Treatment Expectations or Prognosis ... Go To Main Page Alternate Names : Alcaptonuria, Homogentisic Acid Oxidase Deficiency, Ochronosis Definition Alkaptonuria is a rare inherited disorder of metabolism characterized by urine which turns black when exposed to air. Another characteristic is the development of arthritis in adulthood. Alkaptonuria is an autosomal recessive inherited disorder. In affected individuals, an amino acid known as tyrosine is not properly metabolized, due to a defect in an enzyme called homogentisic acid oxidase.

25. AllRefer Health - Alkaptonuria Treatment (Alcaptonuria, Homogentisic Acid Oxidas Alkaptonuria (Alcaptonuria, Homogentisic Acid Oxidase Deficiency, ochronosis)information center covers Treatment. http://health.allrefer.com/health/alkaptonuria-treatment.html

AllRefer Channels :: Yellow Pages Reference Health Home ... Contact Us Quick Jump ADD/ADHD Allergies Alzheimer's Disease Arthritis Asthma Back Pain Breast Cancer Cancer Colon Cancer Depression Diabetes Gallbladder Disease Heart Attack Hepatitis High Cholesterol HIV/AIDS Hypertension Lung Cancer Menopause Migraines/Headaches Osteoporosis Pneumonia Prostate Cancer SARS Stroke Urinary Tract Infection 1600+ More Conditions Alternative Medicine Health News Symptoms Guide Special Topics ... Medical Encyclopedia Web health.allrefer.com You are here : AllRefer.com Health Alkaptonuria : Treatment of Alkaptonuria Alkaptonuria Definition Prevention Treatment Expectations or Prognosis Complications Calling Your Health Care Provider Go To Main Page Alternate Names : Alcaptonuria, Homogentisic Acid Oxidase Deficiency, Ochronosis Alkaptonuria Treatment Some patients benefit from high-dose vitamin C. This has been shown to decrease the build up of brown pigment in the cartilage, which may slow the rate of development of arthritis. Previous Top Next Jump to another section Definition Alkaptonuria Prevention Alkaptonuria Treatment Alkaptonuria Prognosis Alkaptonuria Complications Calling Your Health Care Provider Topics that might be of interest to you Arthritis Urinalysis Other Topics Autosomal Recessive Enzyme Metabolism Sclera Review Date : 8/6/2003 Reviewed By : Douglas R. Stewart, M.D., Division of Medical Genetics, Hospital of the University of Pennsylvania, Philadelphia, PA. Review provided by VeriMed Healthcare Network.

26. Alkaptonuria hereditary disorder in which homogentisic acid accumulates in the body anddestroys connective tissue and bone, creating a condition called ochronosis. http://www.bchealthguide.org/kbase/nord/nord23.htm

var hwPrint=1;var hwDocHWID="nord23";var hwDocTitle="Alkaptonuria";var hwRank="1";var hwSectionHWID="nord23-Header";var hwSource="en-caQ2_05";var hwDocType="Nord"; National Organization for Rare Disorders, Inc. Alkaptonuria Important It is possible that the main title of the report Alkaptonuria is not the name you expected. Please check the synonyms listing to find the alternate name(s) and disorder subdivision(s) covered by this report. Synonyms Alcaptonuria (alternate spelling for Alkaptonuria) Alkaptonuric Ochronosis Hereditary Alkaptonuria Homogentisic Acid Oxidase Deficiency Homogentisic Acidura Ochronosis Ochronotic Arthritis Disorder Subdivisions None General Discussion Alkaptonuria is a rare hereditary disorder in which homogentisic acid accumulates in the body and destroys connective tissue and bone, creating a condition called ochronosis. Symptoms generally begin during the second or third decade of life, and may progress to incapacitating bone and joint disease by the sixth to eighth decade of life. The condition is characterized by the excretion of large volumes of dark colored urine. The darkened urine is the result of the exposure to the air of homogentisic acid that accumulates in the urine. Resources CLIMB (Children Living with Inherited Metabolic Diseases) Climb Building 176 Nantwich Road Crewe, Intl CW2 6BG

27. Penn State Faculty Research Expertise Database (FRED) , A disease in which the metabolic products of phenylalanineand tyrosine accumulate, resulting in the deposition of HOMOGENTISIC......ochronosis. http://fred.hmc.psu.edu/ds/retrieve/fred/meshdescriptor/D009794

28. LearningRadiology-Ochronosis Bone Cardiac Chest GI Miscellaneous Med Students Most Common Lists Quizzes . ochronosis Alkaptonuria. Rare hereditary disorder http://www.learningradiology.com/notes/bonenotes/ochronosispage.htm

Home Lectures Notes Images ... Quizzes Ochronosis Alkaptonuria Rare hereditary disorder More common in males 2:1 Insufficiency of homogentisic acid oxidase Results in excessive homogentisic acid excreted in urine and deposited in soft tissue Urine may be “black” Sclera may be grey-brown or yellow Cartilage of nose and ears may be bluish in color Clinical findings are combination of spondylitis and arthritis of major joints When deposited in cartilage, synovial thickening develops This results in: Subchondral cysts Sclerosis Osteophyte production, all secondary to DJD Bony ankylosis may occur in joints or spine Usually affects large joints-knees, shoulders, hips Chondrocalcinosis of appendicular joints may develop In the spine: Changes of degenerative disc disease Ligamentous structures mat be involved Resembles ankylosis spondylitis Universal disc space calcification is common Universal disc calcification and DJD of root joints (hips and shoulders) in younger patient are pathognomonic Murray and Jacobson, 2

29. LearningRadiology - Ochronosis Return to Case. ochronosis Alkaptonuria. Rare hereditary disorder. More commonin males 21. Insufficiency of homogentisic acid oxidase http://www.learningradiology.com/archives/COW 025-Ochronosis/ochronosiscorrect.h

Home Lectures Notes Images ... Return to Case Ochronosis Alkaptonuria Rare hereditary disorder More common in males 2:1 Insufficiency of homogentisic acid oxidase Results in excessive homogentisic acid excreted in urine and deposited in soft tissue Urine may be “black” Sclera may be grey-brown or yellow Cartilage of nose and ears may be bluish in color Clinical findings are combination of spondylitis and arthritis of major joints When deposited in cartilage, synovial thickening develops This results in: Subchondral cysts Sclerosis Osteophyte production, all secondary to DJD Bony ankylosis may occur in joints or spine Usually affects large joints-knees, shoulders, hips Chondrocalcinosis of appendicular joints may develop In the spine: Changes of degenerative disc disease Ligamentous structures mat be involved Resembles ankylosis spondylitis Universal disc space calcification is common Universal disc calcification and DJD of root joints (hips and shoulders) in younger patient are pathognomonic Murray and Jacobson, 2

30. Ochronosis Complete online version of The Encyclopaedia of Medical Imaging including textand images from The Encyclopaedia of Medical Imaging s eight book volumes http://www.amershamhealth.com/medcyclopaedia/medical/Volume VII/OCHRONOSIS.asp

financial services our commitment our company Search Medcyclopaedia for: Search marked text (mark text before you click) Browse entry words starting with: A B C D ... amershamhealth.com Ochronosis, see alkaptonuria HC The Encyclopaedia of Medical Imaging Volume VII Corporate Products Financial Services Our Commitment ... Terms of Conditions

31. Ochronosis Complete online version of The Encyclopaedia of Medical Imaging including textand images from The Encyclopaedia of Medical Imaging s eight book volumes http://www.amershamhealth.com/medcyclopaedia/medical/Volume III 1/OCHRONOSIS.asp

financial services our commitment our company Search Medcyclopaedia for: Search marked text (mark text before you click) Browse entry words starting with: A B C D ... amershamhealth.com Ochronosis, the bluish-black pigmentation occurring in connective tissue of patients with alkaptonuria . The deposition of the pigment results in characteristic joint abnormalities termed ochronotic arthropathy (see alkaptonuria DR The Encyclopaedia of Medical Imaging Volume III 1 Corporate Products Financial Services Our Commitment ... Terms of Conditions

32. Ochronosis Topic - Unified Search Environment ochronosis the pathologic accumulation of a blueblack pigment in the WHY The great majority of patients with ochronosis eventually develop an http://www.use.hcn.com.au/portals/shared/subject.`Ochronosis`/home.html

Ochronosis Topic Tree Definition: Synonyms and Source Vocabularies: Ochronosis Alkaptonuric ochronosis Nutritional and Metabolic Diseases Metabolic Diseases Acid-Base Imbalance Amyloidosis Brain Diseases, Metabolic Calcium Metabolism Disorders ... Nutrition Disorders

33. Netter Medical Images - Search Results For Alkaptonuric Ochronosis SEARCH RESULTS. 2 IMAGES IN SELECTION PAGE 1 OF 1 REFINE YOUR SEARCH ALL LABELED UNLABELED ochronosis ochronosis ochronosis ochronosis http://www.netterimages.com/image/list.htm?s=alkaptonuric ochronosis

34. ► Alkaptonuria Alcaptonuria; Homogentisic acid oxidase deficiency; ochronosis dark pigmentwith an ochre color (earthy red or yellow) which led to the name ochronosis. http://www.umm.edu/ency/article/001200.htm

var MenuLinkedBy='AllWebMenus [2]', awmBN='530'; awmAltUrl=''; Disease Nutrition Surgery Symptoms Injury ... Encyclopedia (English) Toggle English Spanish Alkaptonuria Overview Symptoms Treatment Prevention Definition: Alkaptonuria is a rare inherited disorder of metabolism characterized by urine which turns black when exposed to air. Another characteristic is the development of arthritis in adulthood. Alternative Names: Alcaptonuria; Homogentisic acid oxidase deficiency; Ochronosis Causes, incidence, and risk factors: Alkaptonuria is an autosomal recessive inherited disorder. It is a disorder of tyrosine (an amino acid) metabolism resulting from a defect in the enzyme homogentisic acid oxidase. Homogentisic acid is excreted in the urine and turns a brown color upon exposure to air. This is the result of a dark pigment with an ochre color (earthy red or yellow) which led to the name ochronosis. The bones and cartilage of the body can be brown colored. Review Date: 10/26/2001 Reviewed By: David G. Brooks, M.D., Ph.D., Division of Medical Genetics, University of Pennsylvania Medical Center, Philadelphia, PA. Review provided by VeriMed Healthcare Network.

35. Cutaneous Markers In Ochronosis Isaac Jebaraj, Rao A - Indian J Med Sci The journal is owned by the Indian Journal of Medical Sciences Trust, a registeredcharitable organisation. http://www.indianjmedsci.org/article.asp?issn=0019-5359;year=2005;volume=59;issu

36. Cutaneous Markers In Ochronosis Isaac Jebaraj Cutaneous markers in ochronosis Isaac Jebaraj1, Rao A2 1 Departments of Orthopaedics,Christian Medical College, Vellore, Tamilnadu 632 004, India http://www.indianjmedsci.org/article.asp?issn=0019-5359;year=2005;volume=59;issu

37. Ochronosis - General Practice Notebook The term ochronosis is used to describe the darkening of tissues as a consequenceof accumulation of homogentisic acid polymer in cartilage. http://www.gpnotebook.co.uk/cache/-1174011904.htm

ochronosis The term ochronosis is used to describe the darkening of tissues as a consequence of accumulation of homogentisic acid polymer in cartilage. It occurs in alkaptonuria. Click here for more information...

38. Ocular Ochronosis In Alkaptonuria Patients Carrying Mutations In The Homogentisa Despite striking features of ochronosis, the diagnosis of alkaptonuria had never In the present report, ocular ochronosis prompted the diagnosis of a http://bjo.bmjjournals.com/cgi/content/full/83/6/680

HOME HELP FEEDBACK SUBSCRIPTIONS ... TABLE OF CONTENTS Author Keyword(s) Vol Page [Advanced] This Article Abstract Full Text (PDF) Submit a response ... Citation Map Services Email this link to a friend Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal ... Cited by other online articles PubMed PubMed Citation Articles by Felbor, U. Articles by Kress, W. Related Collections Ophthalmology Br J Ophthalmol 680-683 ( June ) Ocular ochronosis in alkaptonuria patients carrying mutations in the homogentisate 1,2-dioxygenase gene Ute Felbor a Yvonne Mutsch a Franz Grehn a b Wolfram Kress b a b Accepted for publication 6 January 1999 Abstract Top Abstract Introduction Patients and methods Results Discussion References AIMS To assess the involvement of the recently identified human homogentisate 1,2-dioxygenase gene (HGO) in alkaptonuria (AKU) in two unrelated patients with ochronosis of the conjunctiva

39. Ocular Ochronosis In Alkaptonuria Patients Carrying Mutations In The Homogentisa Pigmented Conjunctival Lesions as Initial Manifestation of ochronosis ArchOphthalmol, July 1, 2004; 122(7) 1060 1063. Full Text PDF http://bjo.bmjjournals.com/cgi/content/abstract/83/6/680

HOME HELP FEEDBACK SUBSCRIPTIONS ... TABLE OF CONTENTS Author Keyword(s) Vol Page [Advanced] This Article Full Text Full Text (PDF) Submit a response ... Citation Map Services Email this link to a friend Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal ... Cited by other online articles PubMed PubMed Citation Articles by Felbor, U. Articles by Kress, W. Related Collections Ophthalmology Br J Ophthalmol 680-683 ( June ) Ocular ochronosis in alkaptonuria patients carrying mutations in the homogentisate 1,2-dioxygenase gene Ute Felbor a Yvonne Mutsch a Franz Grehn a b Wolfram Kress b a b Accepted for publication 6 January 1999 AIMS To assess the involvement of the recently identified human homogentisate 1,2-dioxygenase gene (HGO) in alkaptonuria (AKU) in two unrelated patients with ochronosis of the conjunctiva, sclera, and

40. EURORAD ochronosis is the musculoskeletal manifestation of alkaptonuria. Choudhury R,Rajamani SS, Rajshekhar V. A case of ochronosis MRI of the lumbar spine. http://www.eurorad.org/eurorad/case.php?id=1377

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