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Year : 2019  |  Volume : 6  |  Issue : 2  |  Page : 100-103

Endogenous ochronosis with keratoelastoidosis marginalis

1 Department of Dermatology, Sri Ramachandra Medical College, Chennai, Tamil Nadu, India
2 Department of Dermatology Venereology and Leprosy, Sri Ramachandra Medical College and Research Institute, Chennai, Tamil Nadu, India

Correspondence Address:
Dr. R Mythreyi
Department of Dermatology, Sri Ramachandra Medical College, Porur, Chennai - 600 116, Tamil Nadu
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijdpdd.ijdpdd_50_18

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Endogenous ochronosis is a manifestation of alkaptonuria, a rare metabolic disease due to homogentisic acid oxidase deficiency. Darkened urine and arthropathy are the other two components that complete the triad of alkaptonuria. Pigmentation of skin, the presenting feature, is common over the face and ears. A few cases of pigmentation of the palms and soles are reported. Here, we report a case of endogenous ochronosis presenting as keratoelastoidosis marginalis, which is a rare manifestation.

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