C0028817 - Brown or blue-gray discoloration of the skin tha can present on the axillary and inguinal areas, face, palms or soles. In addition, blue-black discoloration can be apparent on skin overlying cartilage in which the pigment is deposited, such as the ears. This is a characteristic manifestation of alkaptonuria, which is an autosomal recessively inherited deficiency of homogentisic acid oxidase that results in accumulation of homogentisic acid in collagenous structures. The sclerae are also typically involved. [HPO:probinson, PMID:24447956, PMID:26929770] 1/10
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Terms, descriptions
CUI    C0028817
RussianMedical Subject Headings Russian D009794 L3362046preferred S3889534 Y ОХРОНОЗ
RussianMedical Subject Headings Russian D009794 L0900722no S1104539 Y OKHRONOZ
RussianMDRRUS 10051253 L15763161no S19080434 N Системное поражение соединительной ткани при охронозе
RussianMDRRUS 10051253 L15763161no S19080434 Y Системное поражение соединительной ткани при охронозе
Medical Subject Headings A0094133 AT64677163 The yellowish discoloration of connective tissue due to deposition of HOMOGENTISIC ACID (a brown-black pigment). This is due to defects in the metabolism of PHENYLALANINE and TYROSINE. Ochronosis occurs in ALKAPTONURIA, but has also been associated with exposure to certain chemicals (e.g., PHENOL, trinitrophenol, BENZENE DERIVATIVES).
Medical Subject Headings Czech A13041824 AT221378793 Hnědé zbarvení tkání při alkaptonurii, vzácněji při zevním přívodu fenolu. Nejvíce postiženy jsou tkáně s pomalým metabolismem (bradytrofní), zejm. skléra a chrupavky. Zevně je nápadné tmavé zbarvení uší a nosu, postižení kloubních chrupavek urychluje rozvoj artrózy. Pigment je polymerem homogentisové kyseliny. (cit. Velký lékařský slovník online, 2016 http://lekarske.slovniky.cz)
NCI Thesaurus A17686426 AT198036388 A disorder characterized by bluish-black discoloration of the cartilaginous tissues due to accumulation of homogentisic acid. It is associated with alkaptonuria. Signs and symptoms include dark urine, skin pigmentation, and arthritis.
HPO A27328587 AT235360359 Brown or blue-gray discoloration of the skin tha can present on the axillary and inguinal areas, face, palms or soles. In addition, blue-black discoloration can be apparent on skin overlying cartilage in which the pigment is deposited, such as the ears. This is a characteristic manifestation of alkaptonuria, which is an autosomal recessively inherited deficiency of homogentisic acid oxidase that results in accumulation of homogentisic acid in collagenous structures. The sclerae are also typically involved. [HPO:probinson, PMID:24447956, PMID:26929770]