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7 Possible Causes for Pigmentation of the Ear Cartilage

  • Alkaptonuria

    We report a 33-year-old woman who presented with alkaptonuria and ochronotic pigment deposited in articular cartilage and cartilage of the ear and sclera.[ncbi.nlm.nih.gov] […] the ear (where cartilage is just below the skin) and the whites of the eyes (vision is unaffected).[contourderm.com] Pigmentation of the sclera and ear cartilage occurred only after the age of 30 years and was extremely variable in severity ( Figure 3 ).[content.nejm.org]

  • Radio-Ulnar Synostosis - Retinal Pigment Abnormalities Syndrome

    […] of sclerae, ear cartilage, sweat, cerumen, and urine, NORMAL intellegence - Dx: urine homogentisic acid - Dark diaper - Tx: low phylalanince and tyrosine - Cystathionine[quizlet.com] […] dextrose, Diazoxide (definitive tx) - Sx: rash, alopecia, ataxia/coma - Labs: high anion gap metabolic acidosis (lactic acid high) - Tx: biotin supplementation - Sx: dark pigmentation[quizlet.com]

  • Ochronosis with Alkaptonuria

    […] the ears, face, and hands, and cause standing urine to be dark colored and contain pigmented casts; pigmentation is thought to result from oxidized homogentisic acid, and[medical-dictionary.thefreedictionary.com] One of the earliest signs is thickening of ear cartilage associated with blue-black or grey-blue in discolouration.[ijdvl.com] Clinically, in ochronosis, there is blue-black pigmentation of the ears, nose, cheeks, neck, dorsum of the hands, and palmoplantar region resulting from binding of homogentisic[pathopedia-india.com]

  • Tyrosinemia Type 3

    Alkaptonuria Presentation Pigmentation of sclera and ear cartilage, arthritis, heart disease later in life, urine darkens on standing.[quizlet.com] The pigmentation does not affect vision . • Ear cartilage pigmentation is first seen in the concha and antihelix, and later in the tragus.[slideshare.net] Calcification of the ear cartilage may be observed on radiographs. • Pigment also appears in cerumen and in perspiration, causing discoloration of clothing. • A deep purple[slideshare.net]

  • Histidinemia

    Cause & Clinical: without Homogenitase oxidase intermediate product: homogenitasic acid will increase URINE. later, black pigment in cartilage and other connective tissues[quizlet.com] […] causing arthritis. discoloration: - skin - ears - sclera - sweat Tx: treat Sx if needed. no major treatment it's benign.[quizlet.com]

  • Aminoaciduria

    […] alkaptonuria (HGA binds to collagen and other connective tissues and this causes degenerative arthritis and pigmentation of the cartilage and tendons) In alkaptonuria, where[quizlet.com] […] of the eyes and ears) and arthritis?[quizlet.com] […] fumerate and acetoacetate but in this case alternate pathways are followed and there is an increased production of HGA) Which aminoaciduria is commonly seen with ochronosis (pigmentation[quizlet.com]

  • Aortic Valve Calcification

    Externally, ochronosis is manifested by ear cartilage and sclera pigmentation (4).[ctsnet.org] Radiographic changes with intervertebral cartilages calcification are typical and almost pathognomonic.[ctsnet.org]

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