HIV Infection: A Comprehensive Overview
Human Immunodeficiency Virus (HIV) is a retrovirus that targets the body's immune system, specifically the CD4 cells (T cells), leading to a progressive decline in…
Histoplasmosis: Causes, Symptoms, Diagnosis, and Treatment
Histoplasmosis is a fungal infection caused by inhaling the spores of Histoplasma capsulatum, a fungus commonly found in soil enriched with bird or bat droppings.…
Histiocytic Neoplasms: A Comprehensive Overview
Histiocytic neoplasms are a rare and heterogeneous group of disorders characterized by the proliferation of histiocytes, which are immune cells derived from the monocyte-macrophage lineage.…
High-Risk Neuroblastoma Involving Bone and Bone Marrow
Neuroblastoma is a malignant tumor arising from neural crest cells, predominantly affecting children under five years of age. High-risk neuroblastoma, characterized by metastasis to bone…
High-Risk Neuroblastoma: An In-Depth Analysis
Neuroblastoma, a malignancy originating from neural crest cells, predominantly affects children under five years of age. High-risk neuroblastoma, characterized by specific clinical and biological features,…
High-Grade Glioma with BRAF V600E Mutation
High-grade gliomas (HGGs) are aggressive brain tumors characterized by rapid progression and resistance to conventional therapies. Among them, a subset harbors the BRAF V600E mutation,…
High-Grade B-Cell Lymphoma
High-grade B-cell lymphoma (HGBCL) is an aggressive and fast-growing type of non-Hodgkin lymphoma. This malignancy originates from B-lymphocytes, a type of white blood cell that…
Heterozygous Familial Hypercholesterolemia (HeFH)
Heterozygous familial hypercholesterolemia (HeFH) is a genetic disorder characterized by high cholesterol levels, particularly low-density lipoprotein cholesterol (LDL-C), from birth. This condition significantly increases the…
Herpes Zoster Ophthalmicus: Causes, Symptoms
Herpes Zoster Ophthalmicus (HZO) is a viral infection caused by the varicella-zoster virus, the same virus responsible for chickenpox. When reactivated in the ophthalmic branch…
Herpes Zoster Hepatitis: Causes, Symptoms, and Treatment
Herpes zoster hepatitis is a rare yet serious condition that occurs when the varicella-zoster virus (VZV) causes inflammation of the liver. While VZV is commonly…