Related Experiment Video
Updated: Aug 10, 2026
05:23
Continuous Manual Exchange Transfusion for Patients with Sickle Cell Disease: An Efficient Method to Avoid Iron Overload
Published on: March 14, 2017
Joint changes in idiopathic hemochromatosis
Insights
Idiopathic hemochromatosis can present with a distinct joint disease before classic symptoms appear. This arthropathy involves joint narrowing, bone spurs, sclerosis, cysts, and chondrocalcinosis.
Area of Science:
- Rheumatology
- Endocrinology
- Medical Genetics
Background:
- Idiopathic hemochromatosis is a genetic disorder of iron overload.
- Arthropathy is a common complication, but a specific joint presentation can precede other signs.
- Chondrocalcinosis, or calcium pyrophosphate dihydrate crystal deposition disease, can be associated.
Purpose of the Study:
- To present two cases of idiopathic hemochromatosis with a distinctive arthropathy.
- To describe the characteristic joint findings in these patients.
- To discuss the potential etiology and relationship of this arthropathy to chondrocalcinosis.
Main Methods:
- Case report of two patients.
- Clinical and radiological assessment of joint findings.
- Discussion of literature regarding idiopathic hemochromatosis and arthropathy.
Main Results:
- Patients presented with joint narrowing, prominent osteophytes, subchondral sclerosis, and multiple lucent subchondral cysts.
- Chondrocalcinosis was observed in the affected joints.
- The arthropathy was a presenting feature, preceding classical signs of hemochromatosis in one patient.
Conclusions:
- A distinctive arthropathy can be an early manifestation of idiopathic hemochromatosis.
- The joint findings include features of both osteoarthritis and chondrocalcinosis.
- Further research is needed to elucidate the pathogenesis of this specific arthropathy in hemochromatosis.
Abstract:
Two patients with idiopathic hemochromatosis and a distinctive arthropathy are presented. The joint findings are characterized by joint narrowing, prominent osteophytes, subcondral sclerosis and multiple lucent subchondral cysts, and chondrocalcinosis. The etiology of this arthropathy and its relationship to chondrocalcinosis are discussed. Occasionally, patients may present with this arthropathy before the onset of the classical signs of idiopathic hemochromatosis.
Related Concept Videos
01:24Disorders of Hemostasis
Hemostasis, the process that stops bleeding after a blood vessel injury, is crucial for maintaining the integrity of the circulatory system. However, disorders of hemostasis can disrupt this delicate balance, leading to either excessive clotting or bleeding. These disorders can be broadly classified into thromboembolic disorders and bleeding disorders.
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
01:23Cirrhosis I: Introduction
Cirrhosis is a chronic, irreversible liver disease characterized by the widespread replacement of healthy liver tissue with fibrotic scar tissue and the formation of regenerative nodules.Etiology of cirrhosisCirrhosis results from sustained liver injury that triggers progressive fibrosis and structural remodeling. The underlying causes are diverse, encompassing common and less frequent clinical conditions. Regardless of the origin, all causes lead to chronic inflammation, hepatocyte loss, and...
01:24Cirrhosis II: Pathophysiology
Cirrhosis is a progressive chronic liver injury caused by prolonged inflammation, excessive fibrotic remodeling, and impaired regeneration. Over time, repeated hepatic insults disrupt the liver’s architecture and function, leading to reduced blood flow, impaired bile drainage, and diminished metabolic capacity.Pathophysiology of cirrhosisCirrhosis arises from three main responses to chronic liver damage: inflammation, immune activation, and hepatocyte death. These processes lead to structural...
01:22Portal Hypertension
Portal hypertension is an increase in blood pressure within the portal venous system. Normally, this pressure is less than 5 mmHg. It is considered clinically significant when it rises above 10 mmHg. At this threshold, complications from altered blood flow and venous congestion emerge.EtiologyPortal hypertension arises from conditions that impede blood flow through the liver. The most common cause is cirrhosis, in which chronic liver injury leads to fibrotic scarring. This fibrosis narrows or...
01:25Jaundice
Jaundice, or icterus, is the yellow discoloration of the skin, sclerae, and mucous membranes. It happens when plasma bilirubin levels rise above 2.5-3 mg/dL, leading to bilirubin deposition in tissue.Bilirubin is a byproduct of hemoglobin degradation. In macrophages, hemoglobin breaks down into globin and heme. Globin is converted into amino acids, while heme is turned into biliverdin by heme oxygenase, which is then reduced to unconjugated bilirubin by biliverdin reductase.Unconjugated...
01:21Chronic Pancreatitis II: Pathophysiology
Chronic pancreatitis is a progressive and irreversible inflammation of the pancreas, most often caused by long-term alcohol abuse, but it can also be related to ductal obstruction, smoking, or genetic factors.Chronic pancreatitis occurs when the pancreas is repeatedly exposed to harmful agents like alcohol, smoking, ductal obstruction, or genetic predisposition. These factors lead to the release of toxic metabolites and inflammatory cytokines, sustaining chronic inflammation in the pancreatic...