[Liver injury in idiopathic CD4+T-cell lymphocytopenia]

Keren Cohen1, Ruth Hadary, Lotan Shilo

  • 1Meir Medical Center. Kfar-Saba, Israel.

Harefuah
|January 22, 2013
PubMed

Insights

Idiopathic CD4+ T-cell lymphocytopenia (ICL) is a rare syndrome causing opportunistic infections and severe hepatitis. This case highlights ICL

Area of Science:

  • Internal Medicine
  • Immunology
  • Hepatology

Background:

  • Idiopathic CD4+ T-cell lymphocytopenia (ICL) is a rare condition characterized by low CD4+ T-cell counts without HIV infection.
  • ICL can lead to severe opportunistic infections and significant organ damage.

Observation:

  • A 48-year-old patient presented with progressive weakness and abnormal liver function tests.
  • During hospitalization, the patient developed opportunistic infections (Cryptococcus, Pneumocystis jiroveci pneumonia) and severe hepatitis with jaundice.
  • Despite a very low CD4+ T-cell count, HIV infection was ruled out.

Findings:

  • The patient's clinical and laboratory findings were consistent with a diagnosis of idiopathic CD4+ T-cell lymphocytopenia (ICL).
  • The case underscores the potential for severe hepatic manifestations in ICL syndrome.

Implications:

  • This case expands the understanding of ICL's diverse clinical presentations, particularly its hepatic involvement.
  • Early recognition of ICL is crucial for managing opportunistic infections and potential liver disease.
  • Further research into the pathogenesis and treatment of ICL is warranted.

Related Concept Videos

Cirrhosis II: Pathophysiology01:24

Cirrhosis 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...
Liver Regeneration01:24

Liver Regeneration

The liver is an important organ in vertebrates that plays an essential role in metabolism. It is also responsible for storing and redistributing nutrients such as carbohydrates, fats, and vitamins in the body. Additionally, the liver releases bile salts which are critical for digesting food and eliminating toxic metabolites from the body.
Cells of Liver
The liver comprises four major types of cells— hepatocytes, stellate, Kupffer, and sinusoidal endothelial cells. The hepatocytes are large...
Inflammatory Bowel Disease I: Ulcerative Colitis01:27

Inflammatory Bowel Disease I: Ulcerative Colitis

Introduction
Inflammatory bowel disease, or IBD, encompasses a group of disorders characterized by chronic inflammation or ulceration of the gastrointestinal tract.
Risk Factors
The exact cause of IBD remains unclear, although it is believed to be due to a mix of genetic, environmental, microbial, and immune factors. Genetic factors are significant in determining susceptibility to IBD, with family history being a critical risk factor. Individuals with a first-degree relative who has IBD are at...
Diseases of the Liver and Gallbladder01:26

Diseases of the Liver and Gallbladder

Liver and gallbladder diseases are a significant health concern, with prominent conditions including cirrhosis, hepatitis, non-alcoholic fatty liver disease (NAFLD), and gallstones. Jaundice is a common manifestation of liver and biliary disease.
Cirrhosis is characterized by the scarring of hepatic lobules in the liver, which are replaced by fibrous tissue, affecting the liver's normal functioning. NAFLD, on the other hand, is caused by an excessive build-up of fat in the liver, not related to...
Immunodeficiency Diseases01:25

Immunodeficiency Diseases

Immunodeficiency disorders are conditions in which the immune system's ability to fight infectious disease and cancer is compromised or entirely absent. The immune system comprises a complex network of cells, tissues, and organs that work together to protect the body from potentially harmful invaders. When this system is deficient or not functioning properly, it leaves the body susceptible to infections, diseases, or other complications.
There are three main causes of immunodeficiency disorders...
Cellular Injury IV: Necrosis01:16

Cellular Injury IV: Necrosis

Necrosis is a form of irreversible cell death caused by severe injury such as ischemia, toxins, or trauma. Unlike programmed cell death, it is an uncontrolled, pathological process that typically provokes inflammation in surrounding tissues.Pathophysiologic ChangesNecrosis begins when cells sustain critical damage, leading to swelling of organelles, particularly mitochondria, and rapid ATP depletion. As energy levels decline, membrane ion pumps fail, leading to calcium influx and eventually,...