Acute flaccid myelitis (AFM) is a rare neurological condition that affects the spinal cord and can cause paralysis. It is most commonly seen in children and is believed to be caused by a virus, although the exact cause is unknown. Symptoms include...

Acute generalized exanthematous pustulosis (AGEP) is a rare skin condition characterized by the sudden onset of multiple, small, non-infectious pustules on the skin. It is usually accompanied by fever, chills, and other systemic symptoms. AGEP is ...

Acute graft versus host disease (aGVHD) is a serious complication that can occur after a stem cell or bone marrow transplant. It occurs when the donor cells (the graft) attack the recipient’s (the host’s) organs and tissues. Symptoms of aGVHD ...

Acute infantile liver failure due to synthesis defect of mtDNA-encoded proteins is a rare and potentially fatal condition that affects infants. It is caused by a defect in the synthesis of proteins encoded by mitochondrial DNA (mtDNA). This defect...

Acute infantile liver failure-cerebellar ataxia-peripheral sensory motor neuropathy syndrome (AILF-CPSMN) is a rare, inherited disorder characterized by the sudden onset of liver failure in infancy, followed by progressive cerebellar ataxia (incoo...

Acute infantile liver failure-multisystemic involvement syndrome (AILF-MSI) is a rare and potentially fatal condition that affects infants. It is characterized by acute liver failure, multi-organ involvement, and a rapid progression of symptoms. S...

Acute inflammatory demyelinating polyradiculoneuropathy (AIDP) is an autoimmune disorder that affects the peripheral nervous system. It is characterized by inflammation of the myelin sheath, the protective covering of the nerves, which can lead to...

Acute Intermittent Porphyria (AIP) is a rare genetic disorder that affects the body's ability to produce heme, a molecule that helps carry oxygen in the blood. It is caused by a deficiency of the enzyme porphobilinogen deaminase (PBGD). Symptoms o...

Acute interstitial pneumonia (AIP) is a rare and severe form of interstitial lung disease (ILD). It is characterized by inflammation and scarring of the lung tissue, which can lead to difficulty breathing and other respiratory symptoms. AIP is a p...

Acute liver failure is a rare but life-threatening condition in which the liver suddenly stops functioning. It can be caused by a variety of factors, including viral hepatitis, drug or alcohol abuse, or an autoimmune disorder. Symptoms of acute li...

Acute lung injury (ALI) is a serious condition in which the lungs become inflamed and are unable to provide enough oxygen to the body. It is a type of acute respiratory distress syndrome (ARDS) and is usually caused by a severe infection, trauma, ...

Acute macular neuroretinopathy (AMN) is a rare eye disorder that affects the macula, the part of the retina responsible for central vision. It is characterized by sudden, painless loss of central vision, often accompanied by a central scotoma (bli...

Acute mast cell leukemia (AML) is a rare and aggressive form of leukemia that is characterized by the rapid accumulation of abnormal mast cells in the bone marrow and other organs. It is a type of myeloproliferative neoplasm (MPN) and is considere...

Acute megakaryoblastic leukemia (AMKL) is a rare type of acute myeloid leukemia (AML) that affects the bone marrow and blood. It is characterized by the presence of abnormal megakaryoblasts, which are immature cells that normally develop into plat...

Acute megakaryoblastic leukemia (AMKL) in Down syndrome is a rare type of leukemia that affects children with Down syndrome. It is a type of acute myeloid leukemia (AML) that is characterized by the presence of megakaryoblasts, which are immature ...

Acute megakaryoblastic leukemia (AMKL) without Down syndrome is a rare type of acute myeloid leukemia (AML) that affects the bone marrow and blood. It is characterized by the presence of megakaryoblasts, which are immature cells that normally deve...