Hematopoietic and lymphoid cell neoplasm is a malignant tumor that originates in the blood-forming tissues, including the bone marrow, peripheral bloo...

Hematopoietic and lymphoid system neoplasms encompass various malignancies affecting blood cells, including leukemias and lymphomas. The only known ge...

Heme oxygenase 1 deficiency is an ultra-rare, multisystem disorder that affects several organ systems including the kidneys, liver, blood, and immune...

Hemicrania continua is a primary headache disorder characterized by a persistent, unilateral head pain that remains on the same side without pain free...

Hemidystonia-hemiatrophy syndrome is a rare neurological condition that presents as a combination of abnormal involuntary muscle contractions on one s...

Hemifacial hypertrophy is a congenital condition characterized by the overgrowth of facial structures, including bone, soft tissues, and teeth. It may...

Hemifacial myohyperplasia is a developmental disorder that predominantly affects the right side of the face and is most commonly observed in males. Th...

Hemimegalencephaly is a complex cerebral malformation characterized by the overgrowth of a cerebral hemisphere along with associated cortical malforma...

Hemi-myelomeningocele is a very rare composite dysraphism characterized by a split cord malformation with a myelomeningocele affecting one hemicord. I...

Hemiplegic migraine-developmental and epileptic encephalopathy spectrum is a clinical continuum in which affected individuals may experience episodes...

Hemochromatosis type 1, also known as classic hemochromatosis, is a form of hereditary iron overload disorder that results in excessive iron depositio...

Hemochromatosis type 2, also known as juvenile hemochromatosis, is the early-onset and most severe form of hereditary iron overload disease characteri...

Hemochromatosis type 2A is a form of juvenile hemochromatosis that results from mutations in the HJV gene, leading to abnormal iron accumulation in th...

Hemochromatosis type 2B is a severe form of iron overload disorder that primarily affects multiple organ systems including the liver and endocrine org...

Hemochromatosis type 3 is a rare form of hereditary iron overload disorder characterized by excessive iron deposition in various tissues. It is caused...