From HPO
Homocystinuria- MedGen UID:
- 42485
- •Concept ID:
- C0019880
- •
- Disease or Syndrome
Homocystinuria is an inherited disorder in which the body is unable to process certain building blocks of proteins (amino acids) properly. \n\nThe most common form of homocystinuria, called classic homocystinuria, is characterized by tall stature, nearsightedness (myopia), dislocation of the lens at the front of the eye, a higher risk of blood clotting disorders, and brittle bones that are prone to fracture (osteoporosis) or other skeletal abnormalities. Some affected individuals also have developmental delay and learning problems.\n\nLess common forms of homocystinuria can cause intellectual disability, slower growth and weight gain (failure to thrive), seizures, and problems with movement. They can also cause and a blood disorder called megaloblastic anemia, which occurs when a person has a low number of red blood cells (anemia), and the remaining red blood cells are larger than normal (megaloblastic).\n\nThe signs and symptoms of homocystinuria typically develop during childhood, although some mildly affected people may not show signs and symptoms until adulthood.
Methylmalonic aciduria- MedGen UID:
- 343266
- •Concept ID:
- C1855119
- •
- Disease or Syndrome
Increased concentration of methylmalonic acid in the urine.
Pes planus- MedGen UID:
- 42034
- •Concept ID:
- C0016202
- •
- Anatomical Abnormality
A foot where the longitudinal arch of the foot is in contact with the ground or floor when the individual is standing; or, in a patient lying supine, a foot where the arch is in contact with the surface of a flat board pressed against the sole of the foot by the examiner with a pressure similar to that expected from weight bearing; or, the height of the arch is reduced.
Slender finger- MedGen UID:
- 387832
- •Concept ID:
- C1857482
- •
- Finding
Fingers that are disproportionately narrow (reduced girth) for the hand/foot size or build of the individual.
Short stature- MedGen UID:
- 87607
- •Concept ID:
- C0349588
- •
- Finding
A height below that which is expected according to age and gender norms. Although there is no universally accepted definition of short stature, many refer to "short stature" as height more than 2 standard deviations below the mean for age and gender (or below the 3rd percentile for age and gender dependent norms).
Growth delay- MedGen UID:
- 99124
- •Concept ID:
- C0456070
- •
- Pathologic Function
A deficiency or slowing down of growth pre- and postnatally.
Failure to thrive- MedGen UID:
- 746019
- •Concept ID:
- C2315100
- •
- Disease or Syndrome
Failure to thrive (FTT) refers to a child whose physical growth is substantially below the norm.
Diarrhea- MedGen UID:
- 8360
- •Concept ID:
- C0011991
- •
- Sign or Symptom
Abnormally increased frequency (usually defined as three or more) loose or watery bowel movements a day.
Jaundice- MedGen UID:
- 43987
- •Concept ID:
- C0022346
- •
- Sign or Symptom
Yellow pigmentation of the skin due to bilirubin, which in turn is the result of increased bilirubin concentration in the bloodstream.
Vomiting- MedGen UID:
- 12124
- •Concept ID:
- C0042963
- •
- Sign or Symptom
Forceful ejection of the contents of the stomach through the mouth by means of a series of involuntary spasmic contractions.
Feeding difficulties- MedGen UID:
- 65429
- •Concept ID:
- C0232466
- •
- Finding
Impaired ability to eat related to problems gathering food and getting ready to suck, chew, or swallow it.
Lethargy- MedGen UID:
- 7310
- •Concept ID:
- C0023380
- •
- Sign or Symptom
A state of disinterest, listlessness, and indifference, resulting in difficulty performing simple tasks or concentrating.
Spasticity- MedGen UID:
- 7753
- •Concept ID:
- C0026838
- •
- Sign or Symptom
A motor disorder characterized by a velocity-dependent increase in tonic stretch reflexes with increased muscle tone, exaggerated (hyperexcitable) tendon reflexes.
Seizure- MedGen UID:
- 20693
- •Concept ID:
- C0036572
- •
- Sign or Symptom
A seizure is an intermittent abnormality of nervous system physiology characterized by a transient occurrence of signs and/or symptoms due to abnormal excessive or synchronous neuronal activity in the brain.
Generalized-onset seizure- MedGen UID:
- 115963
- •Concept ID:
- C0234533
- •
- Disease or Syndrome
A generalized-onset seizure is a type of seizure originating at some point within, and rapidly engaging, bilaterally distributed networks. The networks may include cortical and subcortical structures but not necessarily the entire cortex.
Cerebral atrophy- MedGen UID:
- 116012
- •Concept ID:
- C0235946
- •
- Disease or Syndrome
Atrophy (wasting, decrease in size of cells or tissue) affecting the cerebrum.
Global developmental delay- MedGen UID:
- 107838
- •Concept ID:
- C0557874
- •
- Finding
A delay in the achievement of motor or mental milestones in the domains of development of a child, including motor skills, speech and language, cognitive skills, and social and emotional skills. This term should only be used to describe children younger than five years of age.
Poor coordination- MedGen UID:
- 107874
- •Concept ID:
- C0563243
- •
- Finding
Gait disturbance- MedGen UID:
- 107895
- •Concept ID:
- C0575081
- •
- Finding
The term gait disturbance can refer to any disruption of the ability to walk. In general, this can refer to neurological diseases but also fractures or other sources of pain that is triggered upon walking. However, in the current context gait disturbance refers to difficulty walking on the basis of a neurological or muscular disease.
Severe global developmental delay- MedGen UID:
- 332436
- •Concept ID:
- C1837397
- •
- Finding
A severe delay in the achievement of motor or mental milestones in the domains of development of a child.
Intellectual disability- MedGen UID:
- 811461
- •Concept ID:
- C3714756
- •
- Mental or Behavioral Dysfunction
Intellectual disability, previously referred to as mental retardation, is characterized by subnormal intellectual functioning that occurs during the developmental period. It is defined by an IQ score below 70.
Megaloblastic anemia- MedGen UID:
- 1527
- •Concept ID:
- C0002888
- •
- Disease or Syndrome
Anemia characterized by the presence of erythroblasts that are larger than normal (megaloblasts).
Hypotonia- MedGen UID:
- 10133
- •Concept ID:
- C0026827
- •
- Finding
Hypotonia is an abnormally low muscle tone (the amount of tension or resistance to movement in a muscle). Even when relaxed, muscles have a continuous and passive partial contraction which provides some resistance to passive stretching. Hypotonia thus manifests as diminished resistance to passive stretching. Hypotonia is not the same as muscle weakness, although the two conditions can co-exist.
Microcephaly- MedGen UID:
- 1644158
- •Concept ID:
- C4551563
- •
- Finding
Head circumference below 2 standard deviations below the mean for age and gender.
Respiratory distress- MedGen UID:
- 96907
- •Concept ID:
- C0476273
- •
- Sign or Symptom
Respiratory distress is objectively observable as the physical or emotional consequences from the experience of dyspnea. The physical presentation of respiratory distress is generally referred to as labored breathing, while the sensation of respiratory distress is called shortness of breath or dyspnea.
Respiratory failure- MedGen UID:
- 257837
- •Concept ID:
- C1145670
- •
- Disease or Syndrome
A severe form of respiratory insufficiency characterized by inadequate gas exchange such that the levels of oxygen or carbon dioxide cannot be maintained within normal limits.
Neutropenia- MedGen UID:
- 163121
- •Concept ID:
- C0853697
- •
- Finding
An abnormally low number of neutrophils in the peripheral blood.
Hypomethioninemia- MedGen UID:
- 336368
- •Concept ID:
- C1848555
- •
- Finding
A decreased concentration of methionine in the blood.
Decreased methionine synthase activity- MedGen UID:
- 376395
- •Concept ID:
- C1848580
- •
- Finding
A reduction in methionine synthase activity.
Hyperhomocystinemia- MedGen UID:
- 812677
- •Concept ID:
- C3806347
- •
- Finding
An increased concentration of homocystine in the blood.
Abnormal circulating vitamin B12 concentration- MedGen UID:
- 866685
- •Concept ID:
- C4021032
- •
- Finding
A deviation from the normal concentration of cobalamin (vitamin B12) in the blood. Vitamin B12 is one of the eight B vitamins.
Abnormal blood folate concentration- MedGen UID:
- 866690
- •Concept ID:
- C4021037
- •
- Finding
Any deviation from the normal concentration of folate in the blood circulation.
Decreased circulating methylcobalamin concentration- MedGen UID:
- 867371
- •Concept ID:
- C4021736
- •
- Finding
The concentration of methylcobalamin in the blood circulation is below the lower limit of normal. Methylcobalamin is a form of vitamin B12.
Nystagmus- MedGen UID:
- 45166
- •Concept ID:
- C0028738
- •
- Disease or Syndrome
Rhythmic, involuntary oscillations of one or both eyes related to abnormality in fixation, conjugate gaze, or vestibular mechanisms.
Rotary nystagmus- MedGen UID:
- 116106
- •Concept ID:
- C0240595
- •
- Disease or Syndrome
A form of nystagmus in which the eyeball makes rotary motions around the axis.
Blindness- MedGen UID:
- 99138
- •Concept ID:
- C0456909
- •
- Disease or Syndrome
Blindness is the condition of lacking visual perception defined as a profound reduction in visual perception. On the 6m visual acuity scale, blindness is defined as less than 3/60. On the 20ft visual acuity scale, blindness is defined as less than 20/400. On the decimal visual acuity scale, blindness is defined as less than 0.05. Blindness is typically characterized by a visual field of no greater than 10 degrees in radius around central fixation.
- Abnormality of blood and blood-forming tissues
- Abnormality of limbs
- Abnormality of metabolism/homeostasis
- Abnormality of the digestive system
- Abnormality of the eye
- Abnormality of the genitourinary system
- Abnormality of the immune system
- Abnormality of the musculoskeletal system
- Abnormality of the nervous system
- Abnormality of the respiratory system
- Growth abnormality