Ochronosis is a rare disorder, which presents with distinct clinical and biochemical features. A fifty seven year old male presented with fracture femur, osteoarthritis, Oslerâ€s sign, alkaptonuria and cutaneous ochronosis.
Srikumar G +5 more
doaj +2 more sources
Ease of sutureless aortic valve replacement in a patient with unexpected ochronosis: a case report
Background Alkaptonuria is a rare congenital metabolic disorder characterized by homogentisic acid accumulation in body cartilage and connective tissues due to a deficient homogentisic acid dioxygenase enzyme.
Saeid Hosseini +5 more
doaj +2 more sources
Total Knee Arthroplasty in Alkaptonuric Ochronosis: the First Case Report in Thailand and Literature Review [PDF]
Ochronosis is a musculoskeletal manifestation found in alkaptonuria which is a rare autosomal recessive disorder caused by the deficiency of homogentistic acid oxidase enzyme. This leads to accumulation and deposition of homogentistic acid (HGA) pigments
Witchuree Wejjakul, Anuwat Pongkunakorn
doaj +4 more sources
Knee degenerative osteoarthritis secondary to ochronosis (case report) [PDF]
Alkaptonuria is rare disease with deficiency of homogentisate-1,2-dioxygenase enzyme, resulting in excess deposition of homogentisic acid in connective tissue. This deposition leads to ochronosis - brownish-black pigmentation of connective tissue.
V. V. Bliznyukov +2 more
doaj +3 more sources
Ochronosis as an unusual cause of valvular defect: a case report [PDF]
Introduction Alkaptonuria (also known as ochronosis) is a genetic disorder characterised by the accumulation of homogentisic acid deposits in connective tissue. In rare cases, ochronosis can cause valvular heart disease.
Steverding Dietmar, Wilke Andreas
doaj +3 more sources
Exogenous ochronosis after prolonged use of topical hydroquinone (2%) in a 50-year-old Indian female
Ochronosis is a rare disease characterized by speckled and diffuse pigmentation symmetrically over the face, neck, and photo-exposed areas. It is characterized histologically by banana-shaped ochre-colored deposits in the dermis.
Vijay Gandhi +2 more
doaj +2 more sources
Ochronotic Arthropathy of the Shoulder – A Rare Case Report [PDF]
Introduction: Alkaptonuria is a metabolic disorder due to accumulation of homogentisic acid, leading to destruction of major joints. Very few cases of ochronosis with shoulder involvement have been reported in literature. Case Report: We report a 31-year-
Ayyappan V Nair +5 more
doaj +2 more sources
Non-cemented Total Hip Arthroplasty in a Rare Case with Black Hip, A Case Report [PDF]
Alkaptonuria is a metabolic disorder characterized by homogentisic acid accumulation in connective tissue. Ochronotic arthropathy, a rare condition reported in alkaptonuria, mostly affects the knee joint.
Ramin Shayan-Moghadam +3 more
doaj +2 more sources
Ochronosis – a rare metabolic disease [PDF]
Alkaptonuria is a rare disorder, an autosomal recessive condition with genetic determinism and hereditary transmission, having a prevalence of 1 per 1 million population in USA.
Patricia Richter +4 more
doaj +1 more source
Use of laser technologies and intense pulsed light in the treatment of exogenous ochronosis: a literature review [PDF]
Exogenous ochronosis is a cutaneous hyperpigmentation condition caused by the accumulation of substances derived from phenol on the skin or mucous membranes without affecting other tissues.
Pedro de Freitas Silva Torraca +2 more
doaj +1 more source

