myopathy

A muscular disease in which the muscle fibers do not function resulting in muscular weakness.

primary ovarian insufficiency

An ovarian disease where ovaries do not produce estrogen despite high levels of circulating gonadotropins in women under 40.

acute myeloid leukemia with minimal differentiation

An acute myeloid leukemia in which the blasts do not show evidence of myeloid differentiation by morphology and conventional cytochemistry.

strabismus

A hyperopia that is characterized by eyes that do not properly align with each other when looking at an object.

non-Langerhans-cell histiocytosis

A histiocytosis that is characterized by the accumulation of histiocytes that do not meet the phenotypic criteria for the diagnosis of Langerhans cells.

obsessive-compulsive disorder

An anxiety disorder that involves unwanted and repeated thoughts, feelings, ideas, sensations (obsessions), or behaviors that make them feel driven to do something (compulsions).

desmoplastic/nodular medulloblastoma

A medulloblastoma that is characterized by the presence of nodular, collagenous areas which do not contain reticulin, surrounded by hypercellular areas which contain an intercellular reticulin fiber network.

spondylocostal dysostosis

A dysostosis that results_in abnormal development located_in vertebrae or located_in ribs. The bones of the spine do not develop properly, which causes them to be misshapen and abnormally joined together.

familial multiple nevi flammei

A capillary disease characterized by dark red to purple, nonelevated, sharply circumscribed patches which blanch on pressure with a glass, do not spontaneously regress, and have normal rates endothelial cell turnover.

uterine corpus myxoid leiomyoma

An uterine fibroid that is characterized by islands of smooth muscle in myxoid connective tissue that contain large vessels, but do no infiltrative and the absence of atypia or mitotic activity.