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Tenorio syndrome(TNORS)

MedGen UID:
864147
Concept ID:
C4015710
Disease or Syndrome
Synonyms: OVERGROWTH, MACROCEPHALY, AND INTELLECTUAL DISABILITY SYNDROME; TNORS
 
Gene (location): RNF125 (18q12.1)
 
Monarch Initiative: MONDO:0014553
OMIM®: 616260

Definition

Tenorio syndrome (TNORS) is characterized by overgrowth, macrocephaly, and impaired intellectual development. Some patients may have mild hydrocephaly, hypoglycemia, and inflammatory diseases resembling Sjogren syndrome (270150) (summary by Tenorio et al., 2014). [from OMIM]

Clinical features

From HPO
Enuresis
MedGen UID:
8649
Concept ID:
C0014394
Disease or Syndrome
Lack of the ability to control the urinary bladder leading to involuntary urination at an age where control of the bladder should already be possible.
Raynaud phenomenon
MedGen UID:
20474
Concept ID:
C0034735
Disease or Syndrome
An episodic vasoconstriction resulting in discoloration of the skin and pain in the affected areas, often involving fingers or toes. Classically associated with triphasic color changes (white, blue, red) but may be biphasic. Often occurs in response to cold temperatures or emotional stress. May be primary or secondary to an underlying autoimmune disease.
Syncope
MedGen UID:
21443
Concept ID:
C0039070
Sign or Symptom
Syncope is a syndrome in which loss of consciousness is of relatively sudden onset, temporary (usually less than 1 to 2 minutes), self-terminating, and of usually rapid recovery. Syncope leads to a generalized weakness of muscles with loss of postural tone, inability to stand upright, and loss of consciousness. Once the patient is in a horizontal position, blood flow to the brain is no longer hindered by gravitation and consciousness is regained. Unconsciousness usually lasts for seconds to minutes. Headache and drowsiness (which usually follow seizures) do not follow a syncopal attack. Syncope results from a sudden impairment of brain metabolism usually due to a reduction in cerebral blood flow.
Hemihypertrophy
MedGen UID:
90701
Concept ID:
C0332890
Congenital Abnormality
Overgrowth of only one side of the body.
Gastroesophageal reflux
MedGen UID:
1368658
Concept ID:
C4317146
Finding
A condition in which the stomach contents leak backwards from the stomach into the esophagus through the lower esophageal sphincter.
Anxiety
MedGen UID:
1613
Concept ID:
C0003467
Finding
Intense feelings of nervousness, tension, or panic often arise in response to interpersonal stresses. There is worry about the negative effects of past unpleasant experiences and future negative possibilities. Individuals may feel fearful, apprehensive, or threatened by uncertainty, and they may also have fears of falling apart or losing control.
Cerebral palsy
MedGen UID:
854
Concept ID:
C0007789
Disease or Syndrome
Cerebral palsy describes a group of permanent disorders of the development of movement and posture, causing activity limitation, that are attributed to nonprogressive disturbances that occurred in the developing fetal or infant brain. The motor disorders of cerebral palsy are often accompanied by disturbances of sensation, perception, cognition, communication, and behavior, by epilepsy, and by secondary musculoskeletal problems.
Hydrocephalus
MedGen UID:
9335
Concept ID:
C0020255
Disease or Syndrome
Hydrocephalus is an active distension of the ventricular system of the brain resulting from inadequate passage of CSF from its point of production within the cerebral ventricles to its point of absorption into the systemic circulation.
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.
Emotional lability
MedGen UID:
39319
Concept ID:
C0085633
Mental or Behavioral Dysfunction
Unstable emotional experiences and frequent mood changes; emotions that are easily aroused, intense, and/or disproportionate to events and circumstances.
Clumsiness
MedGen UID:
66690
Concept ID:
C0233844
Sign or Symptom
Lack of physical coordination resulting in an abnormal tendency to drop items or bump into objects.
Delayed speech and language development
MedGen UID:
105318
Concept ID:
C0454644
Finding
A degree of language development that is significantly below the norm for a child of a specified age.
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.
Gait disturbance
MedGen UID:
107895
Concept ID:
C0575081
Finding
The term gait disturbance can refer to any disruption of the ability to walk.
Cavum septum pellucidum
MedGen UID:
327087
Concept ID:
C1840380
Finding
If the two laminae of the septum pellucidum are not fused then a fluid-filled space or cavum is present. The cavum septum pellucidum is present at birth but usually obliterates by the age of 3 to 6 months. It is up to 1cm in width and the walls are parallel. It is an enclosed space and is not part of the ventricular system or connected with the subarachnoid space.
Motor delay
MedGen UID:
381392
Concept ID:
C1854301
Finding
A type of Developmental delay characterized by a delay in acquiring motor skills.
Ventriculomegaly
MedGen UID:
480553
Concept ID:
C3278923
Finding
An increase in size of the ventricular system of the brain.
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.
Cerebral cortical atrophy
MedGen UID:
1646740
Concept ID:
C4551583
Disease or Syndrome
Atrophy of the cortex of the cerebrum.
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.
Osteopenia
MedGen UID:
18222
Concept ID:
C0029453
Disease or Syndrome
Osteopenia is a term to define bone density that is not normal but also not as low as osteoporosis. By definition from the World Health Organization osteopenia is defined by bone densitometry as a T score -1 to -2.5.
Scoliosis
MedGen UID:
11348
Concept ID:
C0036439
Disease or Syndrome
The presence of an abnormal lateral curvature of the spine.
Delayed cranial suture closure
MedGen UID:
75805
Concept ID:
C0277828
Finding
Infants normally have two fontanels at birth, the diamond-shaped anterior fontanelle at the junction of the coronal and sagittal sutures, and the posterior fontanelle at the intersection of the occipital and parietal bones. The posterior fontanelle usually closes by the 8th week of life, and the anterior fontanel closes by the 18th month of life on average. This term applies if there is delay of closure of the fontanelles beyond the normal age.
Joint hypermobility
MedGen UID:
336793
Concept ID:
C1844820
Finding
The capability that a joint (or a group of joints) has to move, passively and/or actively, beyond normal limits along physiological axes.
Macrocephaly
MedGen UID:
745757
Concept ID:
C2243051
Finding
Occipitofrontal (head) circumference greater than 97th centile compared to appropriate, age matched, sex-matched normal standards. Alternatively, a apparently increased size of the cranium.
Apnea
MedGen UID:
2009
Concept ID:
C0003578
Sign or Symptom
Lack of breathing with no movement of the respiratory muscles and no exchange of air in the lungs. This term refers to a disposition to have recurrent episodes of apnea rather than to a single event.
Recurrent pneumonia
MedGen UID:
195802
Concept ID:
C0694550
Disease or Syndrome
An increased susceptibility to pneumonia as manifested by a history of recurrent episodes of pneumonia.
Keratoconjunctivitis sicca
MedGen UID:
9620
Concept ID:
C0022575
Disease or Syndrome
Dryness of the eye related to deficiency of the tear film components (aqueous, mucin, or lipid), lid surface abnormalities, or epithelial abnormalities. Keratoconjunctivitis sicca often results in a scratchy or sandy sensation (foreign body sensation) in the eyes, and may also be associated with itching, inability to produce tears, photosensitivity, redness, pain, and difficulty in moving the eyelids.
Hypoglycemia
MedGen UID:
6979
Concept ID:
C0020615
Disease or Syndrome
A decreased concentration of glucose in the blood.
Macroglossia
MedGen UID:
44236
Concept ID:
C0024421
Disease or Syndrome
Increased length and width of the tongue.
Wide mouth
MedGen UID:
44238
Concept ID:
C0024433
Congenital Abnormality
Distance between the oral commissures more than 2 SD above the mean. Alternatively, an apparently increased width of the oral aperture (subjective).
Mandibular prognathia
MedGen UID:
98316
Concept ID:
C0399526
Finding
Abnormal prominence of the chin related to increased length of the mandible.
Telecanthus
MedGen UID:
140836
Concept ID:
C0423113
Finding
Distance between the inner canthi more than two standard deviations above the mean (objective); or, apparently increased distance between the inner canthi.
Wide nose
MedGen UID:
140869
Concept ID:
C0426421
Finding
Interalar distance more than two standard deviations above the mean for age, i.e., an apparently increased width of the nasal base and alae.
Large forehead
MedGen UID:
326962
Concept ID:
C1839783
Finding
Anteverted nares
MedGen UID:
326648
Concept ID:
C1840077
Finding
Anteriorly-facing nostrils viewed with the head in the Frankfurt horizontal and the eyes of the observer level with the eyes of the subject. This gives the appearance of an upturned nose (upturned nasal tip).
Thick eyebrow
MedGen UID:
377914
Concept ID:
C1853487
Finding
Increased density/number and/or increased diameter of eyebrow hairs.
Recurrent aphthous stomatitis
MedGen UID:
445425
Concept ID:
C2937365
Disease or Syndrome
Recurrent episodes of ulceration of the oral mucosa, typically presenting as painful, sharply circumscribed fibrin-covered mucosal defects with a hyperemic border.
Hypertrichosis
MedGen UID:
43787
Concept ID:
C0020555
Disease or Syndrome
Hypertrichosis is increased hair growth that is abnormal in quantity or location.
Hypoinsulinemia
MedGen UID:
852189
Concept ID:
C2748055
Disease or Syndrome
A decreased concentration of insulin in the blood.

Professional guidelines

PubMed

Mark KS, Tenorio B, Stennett CA, Ghanem KG, Brotman RM
Menopause 2020 Jun;27(6):679-683. doi: 10.1097/GME.0000000000001515. PMID: 32132439Free PMC Article
Brioude F, Kalish JM, Mussa A, Foster AC, Bliek J, Ferrero GB, Boonen SE, Cole T, Baker R, Bertoletti M, Cocchi G, Coze C, De Pellegrin M, Hussain K, Ibrahim A, Kilby MD, Krajewska-Walasek M, Kratz CP, Ladusans EJ, Lapunzina P, Le Bouc Y, Maas SM, Macdonald F, Õunap K, Peruzzi L, Rossignol S, Russo S, Shipster C, Skórka A, Tatton-Brown K, Tenorio J, Tortora C, Grønskov K, Netchine I, Hennekam RC, Prawitt D, Tümer Z, Eggermann T, Mackay DJG, Riccio A, Maher ER
Nat Rev Endocrinol 2018 Apr;14(4):229-249. Epub 2018 Jan 29 doi: 10.1038/nrendo.2017.166. PMID: 29377879Free PMC Article
Eggermann T, Brioude F, Russo S, Lombardi MP, Bliek J, Maher ER, Larizza L, Prawitt D, Netchine I, Gonzales M, Grønskov K, Tümer Z, Monk D, Mannens M, Chrzanowska K, Walasek MK, Begemann M, Soellner L, Eggermann K, Tenorio J, Nevado J, Moore GE, Mackay DJ, Temple K, Gillessen-Kaesbach G, Ogata T, Weksberg R, Algar E, Lapunzina P
Eur J Hum Genet 2016 Jun;24(6):784-93. Epub 2015 Oct 28 doi: 10.1038/ejhg.2015.224. PMID: 26508573Free PMC Article

Recent clinical studies

Diagnosis

Tenorio-Castaño JA, Arias P, Fernández-Jaén A, Lay-Son G, Bueno-Lozano G, Bayat A, Faivre L, Gallego N, Ramos S, Butler KM, Morel C, Hadjiyannakis S, Lespinasse J, Tran-Mau-Them F, Santos-Simarro F, Pinson L, Martínez-Monseny AF, O'Callaghan Cord MDM, Álvarez S, Stolerman ES, Washington C, Ramos FJ, The S O G R I Consortium, Lapunzina P
Clin Genet 2021 Oct;100(4):405-411. Epub 2021 Jul 16 doi: 10.1111/cge.14020. PMID: 34196401

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