Results 61 to 70 of about 13,719 (226)
Reversible cerebral vasoconstriction syndrome: A narrative review
Headache: The Journal of Head and Face Pain, Volume 66, Issue 5, Page 1162-1180, May 2026.Abstract Objectives/Background This review summarizes current insights into Reversible cerebral vasoconstriction syndrome (RCVS) diagnosis, management, and outcomes. RCVS is a cerebrovascular disorder characterized by recurrent thunderclap headaches and transient segmental vasoconstriction of cerebral arteries, typically resolving within 3 months ...
Ícaro Araújo de Sousa +7 more
wiley +1 more source
, 2000 Bibliography: p. 215-241.Variegate porphyria (VP) is the clinical disorder associated with a deficiency of the haemsynthesising enzyme protoporphyrinogen oxidase (PPO). VP is one of the commonest monogenic inherited disorders in South Africa.
Hift, R J
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Acute intermittent porphyria case in clinical practice internist
Journal of Education, Health and Sport, 2019 Porphyria is group of eight metabolic disorders characterized by defects in hemebiosynthesis. The presentation of porphyria is highly variable, and the symptoms are non specific, which accounts in part for delay sinestablishing a diagnosis.
V. V. Chopyak, Y. F. Tolstyak
doaj +3 more sources
A Multifaceted Holistic Review of the Literature on Scar Dermatoses
International Wound Journal, Volume 23, Issue 5, May 2026.ABSTRACT Many cutaneous diseases originate or manifest in scars. Scars are areas of compromised skin, which renders them a vulnerable cutaneous district for diseases to develop. The pathophysiology explaining why some dermatoses grow in scars is not yet thoroughly explored. The present study reviews the present literature on scar dermatoses.
Dana Maria Khoury +5 more
wiley +1 more source
Orphanet Journal of Rare DiseasesPorphyria is a group of rare metabolic disorders caused by mutations in the genes encoding crucial enzymes in the heme biosynthetic pathway. However, the lack of comprehensive genetic analysis of porphyria patients in the Chinese population makes ...
Yinan Wang, Nuoya Li, Songyun Zhang
doaj +1 more source
The Journal of Clinical Hypertension, Volume 28, Issue 5, May 2026.ABSTRACT Posterior reversible encephalopathy syndrome (PRES) is a rare but severe neurological complication associated with hypertensive disorders of pregnancy and HELLP syndrome. We report a postpartum case in which neurological manifestations preceded the full biochemical expression of HELLP syndrome. A 22‐year‐old primigravida was admitted at 36 + 0
Dario Colacurci +19 more
wiley +1 more source
Atypical Guillain‐Barré Syndrome Preceding Icteric Hepatitis A: A Diagnostic Challenge—A Case Report
Clinical Case Reports, Volume 14, Issue 4, April 2026.ABSTRACT Guillain–Barré syndrome (GBS) is an acute immune‐mediated neuropathy typically triggered by infections. Rarely, it may precede acute hepatitis A (HAV), creating diagnostic challenges. We report a 32‐year‐old male presenting with ascending weakness and tingling in limbs without initial hepatic symptoms.
Asem Afana +4 more
wiley +1 more source
Expression, purification and characterisation of protoporphyrinogen oxidases from diverse species
, 2000 Bibliography: leaves 163-203.This work involved the characterisation of protoporphyrinogen oxidase (PPO), the penultimate enzyme in haem biosynthesis, from Bacillus subtilis, Myxococcus xanthus, and human. A defect in human PPO causes variegate porphyria,
Siziba, Kwanele Bennett
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Clinically Important Features of Porphyrin and Heme Metabolism and the Porphyrias
Metabolites, 2014 Heme, like chlorophyll, is a primordial molecule and is one of the fundamental pigments of life. Disorders of normal heme synthesis may cause human diseases, including certain anemias (X-linked sideroblastic anemias) and porphyrias.
Siddesh Besur +3 more
doaj +1 more source
Skin Fragility and Hyperpigmentation in a Patient With HIV
JEADV Clinical Practice, Volume 5, Issue 2, Page 716-718, June 2026.
Catalina Retamal +2 more
wiley +1 more source