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 Dysplasia Associated with Barrett’s Esophagus
Barrett’s esophagus is a condition where the normal squamous epithelium lining of the esophagus transforms into specialized intestinal metaplasia due to chronic gastroesophageal reflux disease…
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…
High-Density Lipoprotein (HDL) Deficiency
High-density lipoprotein (HDL) deficiency is a medical condition characterized by abnormally low levels of HDL cholesterol in the blood. HDL cholesterol is often referred to…
Hidradenitis Suppurativa: Causes, Symptoms, and Treatment
Hidradenitis suppurativa (HS) is a chronic inflammatory skin condition characterized by painful lumps that develop under the skin, typically in areas where skin rubs together…
Hiatal Hernia with Reflux Esophagitis
A hiatal hernia with reflux esophagitis is a medical condition that combines a structural abnormality with inflammation of the esophagus. This condition often leads to…
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…
Heterotopic Ossification: Causes, Symptoms, and Treatment
Heterotopic ossification (HO) is the abnormal growth of bone in non-skeletal tissues, such as muscles, tendons, or soft tissues. This condition typically occurs following trauma,…
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 Keratitis: Causes, Symptoms, Diagnosis
Herpes zoster keratitis is an ocular condition resulting from the reactivation of the varicella-zoster virus (VZV). This infection primarily affects the cornea, leading to inflammation…