Results 41 to 50 of about 2,646 (192)

Revisiting Quantification of Phenylalanine/Tyrosine Flux in the Ochronotic Pathway during Long-Term Nitisinone Treatment of Alkaptonuria

open access: yesMetabolites, 2022
Changes in the phenylalanine (PHE)/tyrosine (TYR) pathway metabolites before and during homogentisic acid (HGA)-lowering by nitisinone in the Suitability of Nitisinone in Alkaptonuria (AKU) 2 (SONIA 2) study enabled the magnitude of the flux in the ...
Lakshminarayan R. Ranganath   +10 more
doaj   +1 more source

A clinical case of ochronosis with involvement of the cardiac valvular apparatus and the musculoskeletal system in an 80-year-old patient

open access: yesКардиоСоматика
BACKGROUND: Ochronosis is a rare disorder caused by an inherited defect in tyrosine metabolism, in which the biochemical degradation pathway is interrupted at the stage of homogentisic acid formation.
Amina M. Alieva   +6 more
doaj   +1 more source

Exogenous ochronosis after prolonged use of topical hydroquinone (2%) in a 50-year-old Indian female

open access: yesIndian Journal of Dermatology, 2012
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   +1 more source

Utilizing fractional resurfacing in the treatment of therapy‐resistant melasma [PDF]

open access: yes, 2005
Background. Multiple treatment modalities have been employed for the management of melasma with minimal to no success. Objective. We propose fractional resurfacing as a new treatment modality for melasma. Methods.
Tannous, Zeina S.
core   +1 more source

Case report: hydroquinone and/or glutaraldehyde induced acute myeloid leukaemia? [PDF]

open access: yes, 2006
Background Exposures to high doses of irradiation, to chemotherapy, benzene, petroleum products, paints, embalming fluids, ethylene oxide, herbicides, pesticides, and smoking have been associated with an increased risk of acute myelogenous leukemia (AML).
Alexopoulos Evangelos C   +1 more
core   +2 more sources

Case Report: Ochronotic Arthropathy

open access: yesForbes Tıp Dergisi, 2021
Ochronosis is a rare metabolic disease caused by the deficiency of the homogentisic acid oxidase enzyme. It gives clinical findings related to the accumulation of homogentisic acid in soft tissues and excretion in urine. Patients with chronic arthropathy
Ülkü Dönmez   +3 more
doaj   +1 more source

Knee degenerative osteoarthritis secondary to ochronosis (case report)

open access: yesTravmatologiâ i Ortopediâ Rossii, 2013
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   +1 more source

Okronotik Artropati: Sementsiz Total Diz Artroplastisi Uygulaması

open access: yesAnkara Üniversitesi Tıp Fakültesi Mecmuası, 2010
Alkaptonuria is an autozomal recessive metabolic disease that goes with the deficiency of homo-gentisic acid oxidase. Collection of the metabolits of HGA in connective tissues results ochronosis.
Emrah Sayıt, Hakan Aslan, Erbil Aydın
doaj   +1 more source

Exogenous ochronosis: case report and literature review Ocronose exógena: relato de caso e revisão de literatura

open access: yesAnais Brasileiros de Dermatologia, 2012
Exogenous ochronosis is a rare, cosmetically disfiguring condition, resulting from the longterm use of topical hydroquinone in treatment of melasma. It manifests as gray-brown or blue-black macules in hydroquinone-exposed regions.
Viviane Maria Rocha Martins   +5 more
doaj   +1 more source

Long‐Term Efficacy of Arthroscopic Microfracture Combined With Autologous Collagen‐Induced Chondrogenesis for Knee Cartilage Defects: A 5‐Year Prospective Pilot Randomized Controlled Trial

open access: yesOrthopaedic Surgery, EarlyView.
Arthroscopic microfracture combined with autologous collagen‐induced chondrogenesis provides superior long‐term cartilage regeneration and sustained clinical improvement in knee cartilage defects, as evidenced by 5‐year MRI and functional outcomes. ABSTRACT Objectives Cartilage defect of the knee joint is a common cause of knee pain and can result in ...
Shuofang Ren   +8 more
wiley   +1 more source

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