High altitude pulmonary edema is a rare pulmonary condition that develops in otherwise healthy individuals following a rapid ascent to altitudes above...

High bone mass osteogenesis imperfecta is a very rare skeletal condition that differs from more common forms of osteogenesis imperfecta in that affect...

High grade astrocytic tumor is a category of malignant brain tumors that includes anaplastic astrocytoma (grade III) and glioblastoma (grade IV). Thes...

High-grade astrocytoma with piloid features is a malignant central nervous system tumor that shows anaplastic astrocytic characteristics with piloid a...

High-grade B-cell lymphoma double-hit/triple-hit is an aggressive form of lymphoma that arises from B-cells in the lymphatic system. It is characteriz...

High grade B-cell lymphoma with MYC and/ or BCL2 and/or BCL6 rearrangement is an aggressive type of cancer affecting the lymphatic system. This condit...

High grade surface osteosarcoma is an aggressive malignant neoplasm that originates from the surface of the bone and is characterized by the formation...

High myopia-sensorineural deafness syndrome is a rare genetic condition that primarily affects the eyes and ears, leading to severe nearsightedness an...

Hilar cholangiocarcinoma is a cancer that arises at or adjacent to the junction of the right and left hepatic ducts, primarily affecting the bile duct...

Hinman syndrome, also known as non-neurogenic neurogenic bladder or Hinman-Allen syndrome, is a condition affecting how the bladder empties. It is con...

Hip dysplasia, Beukes type (also known as Beukes familial hip dysplasia or BFHD) is a bone disorder that mostly affects the hip joint. It is a conditi...

Hirschsprung disease is a congenital disorder of intestinal motility that arises from an absence of nerve cells in a segment of the colon, leading to...

Hirschsprung disease-ganglioneuroblastoma syndrome is a rare genetic disorder that occurs due to a developmental defect during embryogenesis. It is ch...

Hirschsprung disease-hearing loss-polydactyly syndrome is an extremely rare malformative condition characterized by the presence of Hirschsprung disea...

Hirschsprung disease-nail hypoplasia-dysmorphism syndrome is a rare and severe disorder that affects many parts of the body. The condition is characte...

Hirschsprung disease-type D brachydactyly syndrome is a congenital condition characterized by the presence of Hirschsprung disease along with abnormal...